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Finance & Accounting Outsourcing

Can You Outsource Your Entire Finance Function?

Quick answer: Yes, almost all of it. Bookkeeping, payables, receivables, payroll, month-end close, reporting, FP&A, and CFO-level strategy can all be outsourced. What stays with the business is ownership. Someone inside still approves payments, signs off the numbers, and answers to the board. Most companies choose one of three models, hybrid, managed, or fully outsourced.

What Parts of Finance Can Be Outsourced?

Nearly every task that follows a process. That includes reconciliations, the close, reporting, forecasting, and Virtual/Fractional CFO work. Three things should not leave the building. Payment approvals, final sign-off on the financial statements, and accountability to investors belong inside the business. Tax returns and audits still need a licensed CPA firm.

What Is a Hybrid Finance Model?

In a hybrid model, a small in-house team keeps control while an outside team handles the volume. A controller might own the close while the provider runs payables, receivables, and reconciliations. It suits businesses that already have finance staff who are stretched. The risk is blurred ownership, so write down who does what before day one.

What Is a Managed Finance Service?

A managed finance service hands the provider whole processes against agreed outcomes, such as closing the books by day five or paying vendors on terms. One internal owner manages the provider through service levels, not task lists. Buyers tend to rate this approach well. Deloitte’s 2024 Global Outsourcing Survey, as reported by Outsource Accelerator, found 88 percent of firms using managed or operated services were satisfied, against 71 percent for traditional outsourcing.

What Does Fully Outsourced Finance Look Like?

Fully outsourced finance means the provider runs the whole function, from bookkeeping and payables to FP&A and CFO-level advice. The business keeps executive oversight only. It suits companies that have never built a finance team, or are rebuilding one. The main risk is that knowledge about the business lives outside it, so insist on documented processes and a named team.

Hybrid vs Managed vs Fully Outsourced

Hybrid Managed Fully outsourced
Who runs finance Your finance lead Provider, against agreed outcomes Provider, end to end
In-house team Small core team One owner or controller Executive oversight only
Best fit Existing team stretched thin Stable, repeatable processes No finance team yet, or a full rebuild
Main risk Blurred ownership Weak service levels Losing internal knowledge

Which Model Should You Choose?

Start with what already works. A capable but overloaded team fits hybrid. Stable, repeatable processes suit a managed service. No finance function at all points to fully outsourced. Many companies start hybrid and hand over more as trust builds.

Unison Direct supports all three, with an India-based team working on ad hoc, hybrid, or dedicated FTE terms. Book a free 14-day finance health check to see which model fits your business.

Frequently Asked Questions

It can be, provided payment approvals and financial sign-off stay in-house, access to systems is controlled and logged, and the provider assigns a named team with documented processes.

In a managed model, the business keeps a finance owner who manages the provider against service levels. In a fully outsourced model, the provider runs everything and the business keeps executive oversight only.

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Finance and Accounting Outsourcing

Outsourced Accounting vs In-House: Which Costs Less?

Before You Hire Another Accountant, Ask These 10 Questions About Your Finance Team

Your controller is stretched, month-end reporting is late and leadership needs more useful forecasts. The obvious answer may be another hire. But will another employee fix the underlying problem, or simply add capacity to an inefficient process? For US CFOs and PE-backed businesses, the choice between hiring and outsourcing should start with these ten questions.

Are we short of accountants, or are our processes inefficient?01

A fully staffed finance department can still close late because of duplicate data entry, inconsistent approvals, manual journals and unreconciled accounts. Before opening a vacancy, map where work accumulates. Measure reconciliation time, adjustments, handoffs and repeated corrections. Hiring helps a genuine capacity shortage; it does not repair a flawed workflow. Outsourcing should be assessed alongside process redesign and automation rather than treated as a substitute for them.

What is the real cost of an internal finance team?02

Salary alone understates the cost of hiring. Include recruiting, benefits, employer payroll taxes, software, training, supervision and turnover. Consider whether the company needs specialist expertise full-time or only at reporting and planning peaks. Outsourcing has its own costs: onboarding, integration, management oversight and out-of-scope work. Compare annual total cost on the same service scope and reporting standard, not an employee salary against a vendor’s headline fee.

Can outsourced accounting preserve internal controls?03

Yes, when roles and approvals are deliberately separated. The person who creates a vendor should not also independently approve and release its payments. Material journals and reconciliations need appropriate review. An outsourced team can prepare transactions while internal leaders retain authorisation. When assessing providers, understand the distinction between SOC 1 reporting, which concerns controls relevant to financial reporting, and SOC 2 reporting, which addresses applicable trust services criteria such as security and availability. Ask for relevant reports where available and evaluate scope, exceptions and customer responsibilities.

Which accounting activities should we outsource first?04

Begin with repeatable work that has clear inputs, outputs and quality checks: accounts payable, receivables, reconciliations and routine general ledger activities. Define service levels and review mechanisms before transfer. Close support and management reporting may follow when source records are reliable. FP&A and modelling demand deeper knowledge of the business and closer interaction with leadership. A phased model reveals quality and communication issues before the engagement becomes too complex.

Will outsourcing help us close the books faster?05

Possibly, but adding capacity alone cannot solve missing documents or late operating inputs. Establish the current close timetable, identify recurring bottlenecks and define the target schedule. Agree who prepares accruals, reviews reconciliations, approves adjustments and resolves exceptions. A fifth-working-day reporting commitment is credible only when the dependencies and responsibilities are clear. For investor- and lender-facing reporting, consistency and auditability matter as much as speed.

Can an outsourced team support a PE-backed company?06

Private equity-backed businesses may need consolidated reporting, acquisition integration, lender packages, working-capital forecasts and detailed profitability analysis. Acquisitions introduce new systems and accounting policies; disposals change capacity requirements. Outsourcing can add flexible transaction, reconciliation, consolidation and analytical support. Retained leadership must still own accounting policies, investor-facing information, forecasts and key judgements. The value proposition is adaptability and dependable reporting, not simply cheaper headcount.

Should we outsource FP&A or hire an analyst?07

An embedded analyst may be appropriate when planning is continuous and tightly integrated with operating teams. Outsourced FP&A may fit businesses that need specialist forecasts, scenario modelling or budgeting without a full-time hire. Assess whether the partner can challenge assumptions rather than just populate spreadsheets. A 20% revenue growth plan should account for staffing, inventory, collections, margin and cash requirements. A hybrid model with internal finance leadership and external analytical support can work well.

What happens to tax and payroll responsibilities?08

Using a third party does not automatically transfer legal responsibility. The IRS explains that employers generally remain responsible for federal employment tax obligations when using an ordinary payroll service provider, though certain certified professional employer organisation arrangements differ. Clarify who prepares, authorises, deposits and verifies payments and filings. Tax advisory, independent audit and statutory filings may require different professionals and licences from routine bookkeeping. The contract should distinguish these scopes explicitly.

How do we protect financial data with an offshore provider?09

Evaluate access controls, multi-factor authentication, least-privilege permissions, monitoring, incident reporting and business continuity. Confirm where data is accessed, whether subcontractors are used and how information is returned or deleted on termination. Use approved systems rather than informal file sharing. Applicable federal, state, contractual and industry-specific requirements may affect the design. Geographic location alone is not evidence of either security or insecurity; demonstrable safeguards are.

How will we know outsourcing is working? 10

Define metrics before transition. For transactional work, monitor accuracy, turnaround, overdue items and reconciliation completion. For close support, measure reporting timeliness, material post-close adjustments and outstanding issues. For FP&A, review forecast usefulness and explanations of variances. Also track responsiveness, continuity and management time consumed by corrections. A provider that meets basic processing volumes but requires constant supervision may not be delivering the expected value.

The decision for finance leaders

Hiring another accountant may be exactly right, but it should not be the default response to every finance bottleneck. Examine the work, expertise, controls and total cost first. A retained finance leader combined with outsourced execution or analytical support may be appropriate, but the best structure depends on the company’s reporting demands, risks and growth plans.

How Unison Direct can help

Unison Direct supports finance and accounting outsourcing, management reporting, FP&A, cash flow planning and fractional finance leadership. Discuss where additional capacity, stronger processes or a hybrid finance model could support your organisation.

Categories
new blog Tax Preparation

October 2026 Sales Tax Changes: 223 New Local Rates, a Delayed DC Increase, and What Your Q4 Close Should Catch

Sales tax rates change every quarter somewhere in the US, and most finance teams hear about it late. Sometimes a customer flags an odd invoice. Sometimes it is an auditor. More often it is a liability account that drifts a little further from the return each month until somebody finally asks why.

October 1, 2026, was busier than most. Kintsugi’s tracker counted 223 local rate changes across 18 states taking effect that day. Pennsylvania began enforcing a new sourcing rule for its two local taxes. And Washington, D.C., where much of the compliance industry spent the summer telling sellers to get ready for a 7% rate, kept its rate at 6%.

That last one is the easiest to get wrong. A billing system that switched D.C. to 7% on October 1 has spent two weeks charging customers a tax the District never levied. Collecting too much is not a harmless cushion. In many states, tax collected from a customer belongs to the state once it is collected, whether the rate was right.

None of this needs a tax researcher. The rates are published. What it needs is a close process that checks the rate your system charged against the rate actually in force, jurisdiction by jurisdiction, before anyone signs off in October.

What sales tax changes took effect on October 1, 2026?

Three changes matter most for businesses selling into several states. There were 223 local rate changes across 18 states. Pennsylvania started enforcing destination sourcing for the Philadelphia and Allegheny County local taxes. And Washington, D.C. delayed its move to a 7% general rate until October 1, 2027. No state changed its statewide base rate.

 

Of Kintsugi’s 223 local changes, 199 were increases and 15 were decreases. The other 9 were Alaska towns switching to their off-season rates, as they do every October. Other trackers group local changes differently, so expect slightly different totals depending on whose list you read.

 

The changes are concentrated in two metro areas. Missouri accounts for 98, mostly municipalities in St. Louis County, where most rates rose by about a percentage point. California accounts for 66. The CDTFA notice shows the Los Angeles County district rate in unincorporated areas moving from 9.75% to 10.25%, with 63 cities in the county moving alongside it to combined rates between 10.75% and 11.75%. Perris and Red Bluff are the only California changes outside LA County.

 

If you ship into greater Los Angeles or the St. Louis suburbs, assume something on your October invoices changed. ZIP codes do not follow city limits, so a system that assigns rates by ZIP rather than by street address can charge the wrong local rate even when its rate table is current.

Is the Washington, D.C. sales tax going up to 7%?

Not this year. D.C.’s general sales tax rate stays at 6% through September 30, 2027, and is now scheduled to rise to 7% on October 1, 2027.

 

The increase has been pushed back twice. It was first set for October 1, 2025, then moved to October 1, 2026. In August 2026 the D.C. Council delayed it again through the Sales Tax Increase Delay Emergency Amendment Act of 2026, part of the fiscal 2027 budget support legislation, effective August 13. The Office of Tax and Revenue now carries a notice that the rate remains 6% through September 30, 2027.

 

Two cautions. Emergency acts in D.C. are temporary, and the permanent version was still in congressional review in late September, so check OTR before treating 2027 as settled. And a lot of guidance published over the summer still describes 7% as live from October 1, 2026. If your team or your tax software followed it, D.C. invoices since October 1 may carry the wrong rate.

 

So what happens to the extra point? Rules differ by jurisdiction, but the general principle is strict. North Carolina’s statute is a typical example. It requires over-collected tax to be remitted to the state, and the seller only gets a refund after first crediting the customer. Confirm D.C.’s own procedure with OTR or your tax advisor, and correct the rate in the billing system before you do anything else.

Is SaaS taxable in Washington, D.C.?

Yes. D.C. taxes SaaS and hosted software delivered to customers in the District at the general sales tax rate, which is 6% today. Downloaded software, e-books, and streaming have been taxable there since the district’s 2018 internet sales tax legislation. For software companies, that turns the rate question above into a problem on nearly every subscription invoice sent into D.C.

What is Pennsylvania's destination sourcing change?

Pennsylvania now sources its two local sales taxes, 2% in Philadelphia and 1% in Allegheny County, to where the product or service is delivered rather than where the seller is based. The law is Act 21 of 2026 (Senate Bill 146), enacted July 12 and retroactive to January 1, 2026. The Department of Revenue began enforcing it on October 1, 2026.

 

Under the old origin rule, a seller based in Philadelphia charged the city’s 2% on sales across Pennsylvania, while a seller in Harrisburg delivering into Philadelphia charged none. Both are now wrong. The Philadelphia seller should drop the local tax on deliveries outside the city, and the Harrisburg seller should start charging it on deliveries in. Allegheny County works the same way at 1%. Remote sellers with economic nexus in Pennsylvania who deliver into either area are caught by the change too.

 

Because the Act reaches back to January, the enforcement date and the effective date are not the same thing. Ask your advisor whether January through September 2026 needs a second look.

When will October's changes show up on a return?

October activity lands on the first return filed after month-end. A D.C. monthly filer reports October by November 20, and quarterly filers will usually see it on the fourth quarter return due in January. For a monthly filer, that leaves about seven weeks between the rate change and the moment an error goes on record. Two of those weeks are already gone.

What should finance teams check before closing October?

Six checks cover most of the exposure. None of them takes long if your sales data can be cut by ship-to jurisdiction. If it can’t, that is your first finding.

 

  • Pull October invoices shipped into Los Angeles County, St. Louis County, Philadelphia, and Allegheny County, and compare the rate charged with the rate published for that address.
  • Filter D.C. invoices for any line taxed at 7%. If you find them, fix the billing system first and then work out the customer credits.
  • Ask whether your tax engine assigns rates by full street address or by ZIP code. If it is ZIP, expect mismatches near city boundaries.
  • Reconcile the sales tax liability in the general ledger to the tax calculated on your return workpaper by jurisdiction, not just in total. Offsetting errors hide comfortably inside a total.
  • Check the buying side. When a vendor under-collects on something you bought, the use tax is yours, so your accounts payable process should flag vendor invoices from jurisdictions that changed.
  • Write down who owns the quarterly rate update and when it happens. The next batch arrives January 1.

Why does this keep landing on the controller?

Rate tables usually sit with IT, sales operations, or a software vendor. The liability sits on the balance sheet. That gap is where these errors go unnoticed. The team that owns the setting almost never sees the reconciliation, and the controller has no reason to open the billing system until something breaks.

 

A stale rate is easy to underestimate because it costs money quietly. Take a business invoicing $400,000 a month into Los Angeles County cities whose rates rose by half a point. If the old rate stays in the system, it under-collects $2,000 a month. Few companies will send customers a bill for tax they forgot to charge, so in practice that money comes out of margin. Over-collection runs the other way. The cash sits in your account, but it was never yours, and customers who notice usually ask for it back.

Where Unison Direct fits

Unison Direct’s finance and accounts outsourcing and controller support teams build these checks into month-end close for US businesses that sell across states and entities. That includes jurisdiction-level tie-outs of the sales tax liability, a quarterly review of the billing system’s rates against published changes, and AP review for use tax exposure, run by a named team that knows your books. Filing positions, nexus decisions, and conversations with tax authorities stay with your tax advisor.

Want to see what your October close would turn up?

Frequently Asked Questions

Kintsugi counted 223 local sales tax rate changes across 18 states, concentrated in St. Louis County, Missouri and Los Angeles County, California. Pennsylvania also began enforcing destination sourcing for its Philadelphia and Allegheny County local taxes. No state changed its statewide base rate.

No. An emergency act effective August 13, 2026 keeps D.C.’s general rate at 6% through September 30, 2027, with 7% now scheduled for October 1, 2027. Because emergency acts are temporary, confirm the current position with the D.C. Office of Tax and Revenue.

Yes. D.C. taxes SaaS and hosted software delivered to District customers at the general sales tax rate, currently 6%

Since October 1, 2026, Pennsylvania enforces the 2% Philadelphia and 1% Allegheny County local taxes based on where goods or services are delivered, not where the seller is located. The law, Act 21 of 2026, is retroactive to January 1, 2026

Rules vary by state, but over-collected tax generally has to be remitted to the state or refunded to the customer. It does not become the seller’s revenue. North Carolina, for example, requires excess tax to be remitted and only refunds the seller after the customer has been credited.

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Case Study USA Real Estate

A 7-Entity Real Estate Group Replaced 15-Day Manual Consolidations With a 4-Day Close and Real Cash Visibility

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Every Leader Blog only Mergers & Acquisitions (M&A)

Why deals die in diligence?

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new blog Outsourced CFO Services

Outsourced CFO Services in 2026: What to Ask Before You Hire One

Here is a scene that plays out more often than it should. A business is doing fine, revenue is up, the bank balance looks healthy, and then a tariff-driven cost increase or a tax bill on a newly acquired property lands somewhere nobody was watching closely enough to see it coming. The owner asks the bookkeeper what happened. The bookkeeper, correctly, says that is not really their job. That gap, between someone who records what already happened and someone who is supposed to see it coming, is exactly what an outsourced CFO is meant to close. Whether the one you hire closes it depends almost entirely on what you ask before you sign anything.

Quick Answer

Before hiring an outsourced or virtual CFO get specific about deliverables, find out who exactly will be on your account, check their experience with businesses shaped like yours, ask how they use AI and protect your data, confirm multi-state compliance handling, and find out how fast they can start. The rest of this guide walks through why each matter and what a real answer sounds like versus a rehearsed one. Full cost breakdown: Outsourced CFO Cost Guide

Why This Hire Carries More Weight in 2026

Two pressures are landing on finance teams at the same time this year, and together they change what “good enough” used to mean. Grant Thornton’s Q3 2025 survey of 230-plus US finance leaders found 64 percent already reporting a negative tariff impact on their business, and 42 percent admitting they may need outside consulting help to manage it. Separately, the Duke Fuqua and Federal Reserve CFO Survey, 548 US respondents polled between November and December 2025, found tariffs sitting as the single biggest ongoing worry, with the median firm planning to raise prices 3.5 percent in 2026 just to protect margin.

 

At the same time, you cannot simply hire your way past the problem. Insignia Resources puts the share of finance leaders struggling to hire qualified accountants at 62 percent, and more than 340,000 US accountants left the profession between 2019 and 2024. A real full-time CFO search commonly runs six months or longer right now. If your numbers need sharper judgment behind them this quarter, not next year, waiting on the perfect internal hire is not a neutral decision. It is a decision to keep running without that judgment for as long as the search takes.

 

If your business runs across more than one entity or state, real estate portfolios and multi-entity groups especially, this matters even more. A provider who has only ever worked with one clean, simple entity will be learning your structure on your dime, at the exact moment you need them not to be.

What a Virtual CFO Actually Does, and What It Does Not Cover

Worth being precise here, because the term gets stretched. A virtual or outsourced CFO handles cash flow forecasting, budgeting, board and investor reporting, and financial modelling for growth or fundraising, on a contract basis rather than a full-time hire. If what you are being sold is mostly a monthly financial statement with a CFO title stapled to it, that is finance and accounts outsourcing, a genuinely useful service, just not the one you are shopping for. Our cost guide goes deeper on the fractional-versus-virtual distinction if you want the full picture. Here, we care more about how you separate a provider who does this well from one who does not.

 

One more distinction worth making before you start calling providers: a fractional CFO is typically one person, splitting a set number of hours across several clients. A virtual CFO service is usually a small team, which matters more than it sounds like it should the moment your business has more than one entity, a controller who needs coordinating with, or board reporting that has to stay consistent even when one person is on vacation.

The Vetting Conversation That Actually Tells You Something

A sales call will tell you what a provider wants you to hear. These six conversations tend to surface what is actually true.

Get the deliverables in writing, by name

Not “strategic support.” A monthly board pack. A rolling 13-week cash flow forecast. A KPI dashboard you can actually open and read. Ask what happens when a request falls outside that list, because it will, and how that gets priced before it happens rather than after. If a provider cannot hand you a real sample, an actual dashboard, not a description of one, they have not done this often enough to have one ready.

Call the person, not the salesperson

Find out exactly who will be on your account, then talk to that person directly, not the rep who ran the pitch. A named team with a real backup plan is a different arrangement entirely from one person juggling twelve clients with nobody covering for them if they are out for two weeks.

Ask for proof, not a claim, of relevant experience

“We work with businesses like yours” means very little on its own. Ask for two or three specific examples, and what the provider actually did for them. If you operate as a group of related entities, ask directly how they consolidate reporting across entities, and whether they have actually done it before. This is where a generalist provider tends to fall short first.

Push on AI and data security specifically

This is the question most businesses still forget to ask, and in 2026 it is one of the most consequential. Outsourced finance teams increasingly use AI for forecasting, variance analysis, and drafting reports, which can genuinely help, but only under the right controls. Ask where your data is stored and processed, whether the tools are enterprise-grade with role-based access rather than a consumer tool that trains on your data by default, whether data is encrypted in transit and at rest, and who on the team actually reviews an AI-assisted forecast before it reaches you. A provider that gets vague here is telling you something important about how carefully they handle everything else.

Confirm they can actually handle more than one state

If you operate in multiple states, or plan to, this cannot be an afterthought. Confirm how they track multi-state tax exposure and stay current on US GAAP as rules shift, because between tariff-driven pricing changes and shifting state nexus rules, compliance work that used to be occasional is becoming routine.

Time their actual start, not their promised one

Ask what the first 30 days look like in specific terms, not “a discovery phase.” A provider who needs six weeks to onboard is not solving an urgent problem, whatever else they are good at.

 

A few patterns are worth treating as disqualifying outright:

  • Vague answers about who will actually do the work
  • No real sample deliverables, only descriptions of them
  • Hesitation naming security certifications or explaining AI data handling in plain terms
  • Pricing based purely on hours with no defined scope
  • Any provider who blurs the line between CFO strategy and the tax filing or formal audit work that still belongs with a licensed CPA firm

What It Should Actually Cost

Once scope and team check out, cost becomes the easy part of the conversation. Expect $3,000 to $12,000 a month for most engagements, roughly $36,000 to $120,000 or more a year depending on stage and depth. Compare that with a full-time CFO’s base salary alone, $195,500 to $321,750 according to Robert Half’s 2026 Salary Guide, before benefits, bonus, and recruiting fees that often add another 20 to 30 percent on top. For the full breakdown by engagement type, our outsourced CFO cost guide has the detail.

Where Unison Direct Fits Into This List

We would rather you run this whole checklist on us directly than take our word for any of it, but here is the honest version. Our Virtual CFO Service puts a named team on your account, not a rotating pool of contractors, and typically onboards new clients in 3 to 5 business days. Financial data runs on encrypted infrastructure with SOC 2 and ISO-aligned controls, GDPR and HIPAA-aware where relevant, and any AI-assisted work in our process gets reviewed by the team before a client ever sees it. We work onshore for strategy and client contact, with offshore delivery capacity behind it, which keeps cost down without giving up US GAAP and IRS compliance. Where the work extends past CFO strategy into FP&A, day-to-day finance and accounts outsourcing, or payroll and compliance, it stays with the same team rather than a handoff to a separate vendor, the same way we approach accounts payable and accounts receivable work for clients who need the fuller picture. None of that is a reason to skip the checklist above. It is a reason to expect straight answers to it.

The Bottom Line

Working through the questions above takes about thirty minutes with a provider willing to answer them straight. Skipping that conversation can cost you a year of decisions built on numbers nobody actually stress-tested. Tariffs have been rewritten three times already in 2026, and the hiring market for finance talent is tighter than most businesses planned for. This is not the year to hire on a good first impression alone.

 

Book a free consultation with Unison Direct and put every question above to us directly. We would rather answer them now than have you find the gaps six months in.

Frequently Asked Questions

Get specific about scope and deliverables, find out exactly who will handle your account day to day, check their experience with businesses structured like yours, ask how they use AI tools and protect your financial data, confirm how they handle multi-state compliance, and find out how fast they can realistically start. Vague answers to any of these are the real warning sign.

Most outsourced CFO engagements run $3,000 to $12,000 a month, or roughly $36,000 to $120,000 or more a year, depending on company stage and scope. A full-time CFO’s base salary alone runs $195,500 to $321,750 according to Robert Half’s 2026 Salary Guide, before benefits and recruiting costs. See our full cost guide for the detailed breakdown.

For most mid-sized US businesses, yes. Grant Thornton’s Q3 2025 CFO survey found 64 percent of finance leaders already feel a negative tariff impact and 42 percent may need third-party help, while Insignia Resources puts the share of finance leaders struggling to hire qualified accountants at 62 percent. Outsourcing gets you senior judgment on both problems without a 6 to 12 month search for a full-time hire.

A fractional CFO is usually one individual splitting time across several clients. A virtual CFO service delivers the same strategic work remotely, typically backed by a small team rather than one person working alone, which matters most once your business has multiple entities or a bookkeeping layer that needs coordinating with CFO-level strategy.

Ask where your financial data is stored and processed, whether the tools are enterprise-grade with role-based access controls rather than consumer tools that train on your data by default, and who on the team reviews an AI-assisted forecast or report before it reaches you. A provider that cannot answer this specifically is not ready to be trusted with your numbers.

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new blog Payroll

Why Businesses Are Choosing Ad Hoc Payroll Services for Greater Flexibility

A landscaping company hires twelve extra crew members every April and lets most of them go by October. A real estate developer staffs up a project team for an eighteen-month build and winds it down at closeout. A professional services firm brings on contractors for one client engagement, then does not need to run payroll for them again until the next one lands. None of these businesses has a steady, predictable headcount, and yet most payroll setups, in-house or outsourced, are still built as if every business does.

Quick Answer

Ad hoc payroll services let a business run payroll only when it actually needs to, for a seasonal crew, a single project, or a short-term hire, instead of paying for a full-time payroll department or a fixed monthly outsourcing contract year round. It is growing in the US because contingent and project-based work keeps growing too: the Staffing Industry Analysts put the US contingent workforce at 21 percent in 2025, headed toward 26 percent by 2030.

What Ad Hoc Payroll Actually Means

Worth being precise, since the term gets used loosely. Ad hoc payroll means running payroll for a specific stretch of need, a season, a project, a short-term team, rather than maintaining it as a constant, year-round function. It differs from standard payroll outsourcing, which usually assumes a fairly steady headcount and a recurring monthly fee whether or not volume changes. It also differs from hiring an in-house payroll clerk, who costs the same in July as in December no matter how many people are actually on the payroll that month.

 

The appeal is simple. A business pays for the payroll cycles it runs, not a fixed cost sized for its busiest month.

Why This Is Growing in the US Right Now

The short version: fewer businesses have a headcount that sits still. ADP Research Institute’s November 2025 analysis of anonymized payroll data from 1.1 million US employers and 24 to 26 million workers found that in any given month, roughly 10 percent of jobs were gig-based, and across all of 2024, about 27 percent of jobs held involved some form of contingent work. Independent contractor employment grew 50 percent between 2021 and 2024, from an average of 300,000 to 450,000 workers a month.

 

The Staffing Industry Analysts’ 2025 survey, generally the most methodologically conservative of the available benchmarks, puts the current US contingent workforce at 21 percent, projected to reach 23 percent by 2027 and 26 percent by 2030. Deloitte’s Global Human Capital Trends research found 41 percent of companies already expect to increase their use of contingent workers, and the US Bureau of Labor Statistics reports that 35 percent of contingent workers are employed in professional services specifically, the same sector where project-based staffing is most common. The US Government Accountability Office puts contingent work even higher, at 30 to 40 percent of the labor market under a broader definition, a reminder that the exact figure depends heavily on how contingent work gets counted, though every credible source agrees on the direction: up.

 

None of this is a temporary blip. It is a structural shift in how US businesses staff up, and payroll built for a static headcount has not kept pace with it.

The Compliance Complexity Nobody Budgets For

Here is the part that catches most businesses off guard. Hiring even a handful of workers in a new state for a single season or project usually still triggers real obligations there, state income tax withholding registration, unemployment insurance account setup, and sometimes local filings, regardless of how short the engagement is. A business that only needed a crew in a state for four months can end up carrying that registration and filing burden indefinitely if nobody closes it out properly.

 

This is exactly the kind of task that a fixed in-house payroll process is not built to absorb smoothly, and it is where an ad hoc provider earns its fee. The registration and compliance work should scale with the actual engagement, opened when the work starts and wounds down cleanly when it ends, rather than becoming a permanent administrative tail on a project that finished months ago.

Where Ad Hoc Payroll Makes the Most Sense

A few situations come up repeatedly among businesses that move to an ad hoc model.

 

  • Seasonal staffing, retail during the holidays, landscaping and construction in the warmer months, hospitality during peak travel season.
  • Project-based real estate and construction teams that scale up for a build and wind down at closeout, rather than staying at peak headcount year round.
  • Professional services and agencies bringing on contractors for a specific client engagement.
  • Businesses testing outsourced payroll for the first time, without committing to a long-term retained contract before they know it is the right fit.
  • Multi-entity or multi-state operators who need payroll support in a new state for a limited engagement, without standing up a permanent process there.

 

The common thread is not company size. It is variability. A steady 40-person company with the same headcount every month has less to gain here than a 15-person company that swings to 45 for four months a year.

What It Costs, Compared to the Alternatives

A dedicated in-house payroll clerk carries a national salary range of $43,250 to $55,750 according to Robert Half’s 2026 Salary Guide, before benefits, payroll software licensing, and the training time it takes to get someone fully up to speed. That cost does not flex down in the months payroll volume is lighter.

 

Standard outsourced payroll typically runs on a per-employee-per-month model, commonly $4 to $20 per employee plus a base fee, so a steady 25-employee business might land around $450 to $800 a month. That is real savings over an in-house hire for a business with consistent headcount, but it still assumes a fairly constant employee count each month.

 

Ad hoc payroll changes the math again by billing to actual activity, the specific pay runs and headcount in a given cycle, rather than a flat monthly fee sized for peak season. For a business with real seasonal or project swings, that is often the difference between payroll being a fixed cost and payroll actually tracking the business.

 

Run the numbers on a real example. A construction firm that staffs up from 8 to 30 people for a six month build, then drops back down, would be paying a standard outsourced provider’s base fee and per-employee rate at the 30-person level for months it does not need it, or carrying an in-house clerk’s full salary through the slow season either way. Billed to actual headcount each cycle instead, the same firm pays close to nothing in its quiet months and the full rate only while the crew is actually on payroll.

What a Good Ad Hoc Payroll Partner Should Offer

Flexibility only helps if the provider behind it can actually deliver on it. A few things worth confirming before signing: whether they can start and stop service quickly without a long lock-in period, whether they handle multi-state tax registration and withholding for a team that might only exist in a given state for a few months, and whether pricing is transparent per cycle rather than bundled into a package built for year-round use. It is also worth asking directly whether the same provider can move a business from ad hoc support into a full retained engagement later, since switching systems entirely once headcount stabilizes is its own avoidable cost.

 

Worth asking, too, what happens at the end of an engagement. A provider that quietly leaves a state registration open after the project wraps is handing the business a compliance loose end it does not know it has, right up until a notice arrives asking why a filing is late for a team that left months ago.

How Unison Direct Approaches Ad Hoc Payroll

Our Payroll Services cover federal, state, and multi-state payroll administration, built to flex with a business rather than assume a fixed headcount. Engagements start ad hoc, scoped to a season, a project, or a specific need, and move into a full retained arrangement when the business is ready, without changing providers or re-onboarding from scratch. The team works onshore for client contact and compliance, backed by offshore delivery capacity to keep cost proportional to actual volume. Businesses that need payroll handled alongside the rest of finance can also draw on Unison Direct’s finance and accounts outsourcing, FP&A, and Virtual CFO Service, the same team that put together our recent guide on what to ask before hiring an outsourced CFO.

The Bottom Line

A payroll setup built for a headcount that never moves is a poor fit for a growing number of US businesses, and the contingent workforce data backs that up in every direction it has been measured. Ad hoc payroll is not a lesser version of outsourcing. It is the version built for a business whose staffing actually changes with the season, the project, or the client roster, which describes more companies every year, not fewer.

 

The businesses that get the most value from it are rarely the ones with the biggest headcount. They are the ones whose headcount actually moves, and who have been quietly overpaying, or under-covering, a static payroll setup to handle a workforce that was never static to begin with.

 

Book a free consultation with Unison Direct to see what an ad hoc payroll setup would look like for your business, and how it could scale up when you are ready.

Frequently Asked Questions

Ad hoc payroll is payroll support you use as needed, for a seasonal surge, a single project, or a short-term team, rather than a year-round in-house payroll department or a long-term retained contract. You pay for the payroll cycles you run.

It is a form of it, but not the same as a standard ongoing outsourced payroll contract. Standard outsourcing usually assumes a steady headcount and a recurring monthly fee. Ad hoc payroll is built for headcount that moves, project crews, seasonal staff, or a business testing outsourcing before committing to a full engagement.

A dedicated in-house payroll clerk carries a national salary range of $43,250 to $55,750 according to Robert Half’s 2026 Salary Guide, before benefits and software costs. Outsourced payroll typically runs $4 to $20 per employee per month plus a base fee, so a 25-employee business might pay roughly $450 to $800 a month, only for the cycles it actually needs under an ad hoc arrangement.

Contingent and project-based work has grown steadily. The Staffing Industry Analysts’ 2025 survey puts the US contingent workforce at 21 percent, projected to reach 26 percent by 2030, and Deloitte’s Global Human Capital Trends research found 41 percent of companies expect to increase their use of contingent workers. That shift makes rigid, headcount-based payroll setups a worse fit for more businesses every year.

With the right provider, yes. A good ad hoc payroll partner should be able to move a business from occasional, project-based support into a full retained payroll engagement without switching systems or providers, once headcount and volume justify it.

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Finance & Accounting Outsourcing new blog

From Outstanding Invoices to Predictable Cash Flow: How U.S. Businesses Can Improve AR Without Expanding Their Finance Team

A business can be profitable on paper and still run out of cash, and slow accounts receivable is the most common reason why. The revenue is real. The invoice went out. The customer will almost certainly pay eventually. None of that helps when payroll is due Friday and the money everyone is counting on is still sitting in someone else’s accounts payable queue.

Intuit QuickBooks’ 2025 Small Business Late Payments Report found that 56 percent of US small businesses were owed money from unpaid invoices at the time of the survey, averaging $17,500 per business, and that businesses with longer payment delays were 1.4 times more likely to report cash flow problems than those without. That is not a niche issue affecting a handful of unlucky companies. It is closer to the default state of doing business in the US right now.

This guide covers what slow-paying customers actually cost, what a good DSO looks like by company size, what accounts receivable outsourcing includes, what it costs, and how to choose a provider that improves cash flow without adding headcount.

What Improving AR Actually Means

Accounts receivable outsourcing means handing invoicing, payment application, collections outreach, and dispute resolution to an external team, so overdue invoices get worked consistently instead of whenever someone internal finds the time between other responsibilities.

 

It is not the same as a collection agency, which typically only gets involved once an account is seriously delinquent and takes a large cut of whatever it recovers. AR outsourcing works the full receivables cycle from the first invoice, aiming to prevent accounts from reaching that point at all, which is a materially better outcome for both cash flow and the customer relationship.

What Slow-Paying Customers Actually Cost US Businesses

Quadient’s 2025 review of the AR landscape puts real numbers on a problem most finance teams feel but rarely quantify. Roughly 44 percent of B2B invoices in the US are overdue at any given time, with about 3 percent eventually written off as bad debt entirely. The average cash conversion cycle across more than 2,700 US public companies sat at 89 days in early 2025, and US companies collectively carry an estimated $1.7 trillion in excess working capital tied up in receivables that could otherwise fund payroll, inventory, or growth instead of sitting on someone else’s books.

 

The QuickBooks data adds the small business view of the same problem: 47 percent of small businesses reported invoices overdue by more than 30 days, and roughly 1 in 10 invoices fall into that overdue category on average. Affected businesses were also 1.4 times more likely to have recently raised prices, by an average of 16 percent, simply to protect margin against cash they were not collecting on time.

Why DSO Creeps Up Even When the Team Is Working Hard

Days Sales Outstanding rarely spikes overnight. It drifts, a few days at a time, usually for reasons that have nothing to do with effort. Collections often sits as a part-time responsibility bolted onto someone’s actual job, so it gets attention only after invoicing, month-end close, and everything else more urgent is handled. Follow-up tends to happen inconsistently, a phone call one month and nothing the next, which customers notice and, fairly or not, treat as a signal about how strictly the business enforces its own payment terms.

 

There is also a structural ceiling on how far internal effort alone can close the gap. Quadient’s research found that 72 percent of finance leaders now use AI tools in some part of their workflow, up sharply from 34 percent previously, and that more than 60 percent of CFOs plan to increase automation investment in 2025 with AR specifically named as a priority. Businesses without that infrastructure are not just working harder than necessary. They are working against a growing gap between what modern AR operations can do and what a single internal hire, however capable, can keep up with manually.

DSO Benchmarks: What Good Actually Looks Like

What counts as an acceptable DSO depends heavily on company size and industry, and comparing a small business to an enterprise benchmark is a common way finance teams either panic unnecessarily or miss a real problem.

Company size Target DSO What typically drives it
Under $50 million revenue 15 to 30 days Cash flow is closer to a survival issue than an optimization exercise
$50 million to $500 million 30 to 45 days Portfolio growth outpacing internal collections capacity
$500 million and above 45 to 60+ days Multi-entity billing, longer negotiated terms, customer portals

Source: DSO benchmark analysis by company size, 2026.

A small business sitting at 40 to 45 days or higher is not simply behind schedule. It is typically a sign that collections needs real, dedicated attention rather than another quarter of hoping the backlog clears itself.

In-House AR Team vs. Outsourced AR: The Real Numbers

Robert Half’s 2026 Salary Guide puts the national range for an Accounts Receivable Clerk at $44,000 to $58,000, and a Credit and Collections Specialist, the role usually needed once collections becomes a real workload rather than an afterthought, at $48,000 to $68,750. Add benefits, payroll tax, and management time, and one dedicated in-house AR hire commonly runs well past $60,000 to $80,000 a year fully loaded.

 

Outsourced AR pricing tends to scale with portfolio size and complexity rather than following a flat rate. Industry pricing data puts typical monthly fees between roughly $500 for a small portfolio of accounts and $7,000 or more for a larger, more complex customer base, generally landing 30 to 40 percent below the cost of an equivalent in-house salaried hire.

Option Typical cost Best fit
In-house AR clerk (fully loaded) $60,000–$80,000+/year High-volume AR with dedicated headcount to spare
Outsourced AR, small portfolio ~$500 to $2,000/month Businesses with a smaller, lower-complexity customer base
Outsourced AR, larger portfolio $3,000 to $7,000+/month Growing companies with rising invoice and customer volume

Sources: Robert Half 2026 Salary Guide; industry pricing data compiled from US-based AR outsourcing providers, 2026.

What Should Be Included in an AR Outsourcing Engagement

A provider that only sends automated payment reminders is not really managing AR. A properly scoped engagement should include invoice generation and delivery, payment application and reconciliation, structured collections outreach with defined escalation stages, dispute and deduction handling, and monthly AR aging reports that give a finance leader a real read on where cash actually stands.

 

It should also protect the customer relationship deliberately, not as an afterthought. Escalation should follow a tone and sequence the business actually approves of, not a generic script, since the goal is faster payment without a damaged account. Businesses that need the full picture can pair AR outsourcing with finance and accounts outsourcing for the broader books, and FP&A services to turn a cleaner AR ledger into an actual cash flow forecast rather than a static report.

How to Choose an AR Outsourcing Partner

Ask exactly how collections outreach is scripted and escalated, and ask to see a real example rather than a description of the process. Ask how disputes and short payments are handled, since this is where a weak provider quietly lets cash slip through. Ask what reporting looks like month to month, and whether DSO and aging trends are tracked as a standing metric or produced only on request. Ask how customer relationships are protected during escalation, since a provider optimizing purely for speed can cost more in churned accounts than it saves in days of DSO.

 

  • A named team handling the account, not a rotating pool of contractors
  • A clearly defined, business-approved escalation process for overdue accounts
  • Real-time or near real-time reporting on DSO and aging, not month-end only
  • Dispute and deduction handling included, not billed as a separate service
  • A realistic onboarding timeline, ideally under two weeks
  • References from businesses of a similar size and customer volume

Why US Companies Choose Unison Direct

Unison Direct runs accounts receivable as part of its finance and accounts outsourcing services for US businesses across SaaS, ecommerce, healthcare, real estate, and professional services, with a named team handling each account rather than a rotating pool of contractors.

 

Onboarding typically takes 3 to 5 business days, not weeks. The team works onshore for client and customer contact, with offshore delivery capacity behind it, which keeps cost down without losing the tone and judgment a customer-facing collections process needs. Data security runs on encrypted infrastructure with SOC 2, ISO-aligned, GDPR, and HIPAA-aware practices already in place.

 

Businesses that want AR handled alongside the rest of finance can also draw on Unison Direct’s Virtual CFO Service, FP&A, and business advisory services, all built to work off the same clean numbers rather than in a separate silo.

The Bottom Line

Cash flow problems rarely start with a lack of revenue. They start with revenue that has not been collected yet, sitting in an AR ledger nobody has had the bandwidth to work consistently. With 44 percent of B2B invoices overdue nationally and small businesses averaging $17,500 in unpaid invoices apiece, the honest question is not whether AR needs attention. It is whether that attention comes from a dedicated outsourced team or from a finance leader’s own evenings and weekends.

 

Price it out before assuming the current setup is fine. For most businesses collecting from more than a handful of recurring customers, outsourced AR costs less than one in-house hire and turns DSO into a number that gets managed on purpose, not one that gets discovered at month-end.

 

Book a free consultation with Unison Direct to see what a properly scoped AR outsourcing engagement would look like for your business, and how quickly it could start.

Frequently Asked Questions

Accounts receivable outsourcing is hiring an external team to manage invoicing, payment application, collections outreach, and dispute resolution, so a business gets paid faster without adding in-house AR headcount.

Businesses under roughly $50 million in revenue should generally target Days Sales Outstanding of 15 to 30 days. A DSO above 40 to 45 days is usually a sign that collections need attention rather than a normal cost of doing business.

Outsourced AR services typically run from around $500 a month for a small portfolio of accounts up to $7,000 or more a month for a larger, more complex customer base, generally 30 to 40 percent less than the cost of an equivalent in-house salaried employee.

Intuit QuickBooks’ 2025 Small Business Late Payments Report found 56 percent of US small businesses were owed money from unpaid invoices, averaging $17,500 per business, and businesses with longer delays were 1.4 times more likely to experience cash flow problems.

Done well, it should not. A properly run AR outsourcing provider follows the same tone and escalation rules the business would use internally, and many customers do not notice a difference beyond faster, more consistent follow-up on overdue invoices.

A well-run provider can typically begin working an existing AR ledger within one to two weeks of receiving customer and invoice data. Unison Direct’s finance and accounts outsourcing team typically onboards clients within 3 to 5 business days.

Categories
Finance & Accounting Outsourcing new blog

How U.S. Businesses Can Reduce AP Errors, Payment Delays, and Finance Workloads With Accounts Payable Outsourcing

Somewhere in most finance teams, a stack of invoices is sitting half processed, waiting on someone to check a PO number, chase an approver, or figure out why the same bill showed up twice. None of it is complicated work. All of it eats hours every week, and every hour spent matching line items is an hour not spent on anything that actually grows the business.

Ardent Partners’ 2025 research on AP performance puts a number on that drag. The average invoice takes 9.2 days to process and costs $9.40, while the best-run AP teams do it in 3.1 days for $2.78. That gap, roughly three times the cost and three times the time, is not a technology problem so much as a resourcing and process problem. It is also exactly the gap accounts payable outsourcing is built to close.

This guide covers what manual AP is actually costing US businesses, what a properly scoped outsourcing engagement includes, what it costs, and how to pick a provider that earns the fee rather than just moving the paperwork somewhere else.

What Accounts Payable Outsourcing Actually Means

Accounts payable outsourcing means handing the end-to-end AP process, invoice receipt and capture, three-way matching against purchase orders and receipts, coding, approval routing, payment execution, and vendor query handling, to an external team instead of running it with in-house staff.

 

It is worth separating this from AP automation software. A tool that scans and codes invoices still needs someone reviewing exceptions, chasing approvals, and running payment batches. Outsourcing includes the software layer but pairs it with a team that actually owns the outcome, so the business gets processed, approved, paid invoices, not just a faster queue of invoices still waiting on someone internal.

 

For most US companies, that means outsourcing sits alongside finance and accounts outsourcing more broadly, since AP rarely runs in isolation from the rest of the books.

What Manual AP Actually Costs US Businesses

The per-invoice numbers matter, but they understate the real drag. Industry benchmarks vary by methodology, DocuClipper’s 2026 review of AP research puts the fully loaded cost of manual processing, including labor, error correction, and late fees, as high as $12 to $30 per invoice, while roughly 39 percent of invoices contain some kind of error on first submission.

 

Time is the other side of it. Ardent Partners found that underperforming AP functions take an average of 17.4 days to process a single invoice end to end, nearly six times longer than best-in-class teams at 3.1 days. Multiply that by a few hundred invoices a month and the gap stops looking like a rounding error and starts looking like a full-time job that exists only to compensate for a slow process.

 

Metric Industry average Best-in-class
Cost per invoice $9.40 $2.78
Processing time 9.2 days 3.1 days
Invoice exception rate 22% 9%

Source: Ardent Partners, 2025 Accounts Payable Metrics That Matter report.

The gap between average and best-in-class is not explained by company size or industry. It is explained by process discipline, clean supplier data, and enough dedicated capacity to catch problems before they become late payments. That is precisely what a scoped outsourcing engagement is built to deliver.

The Hidden Risks: Fraud, Duplicate Payments, and Missed Discounts

Slow, manual AP is not just inefficient. It is a security gap. The 2026 AFP Payments Fraud and Control Survey found that checks remain the payment method most targeted by fraud, reported by 58 percent of organizations, ahead of ACH debits at 30 percent and wire transfers at 25 percent. Businesses still cutting paper checks and approving payments over email are carrying meaningfully more fraud exposure than they may realize.

 

Duplicate payments and missed early-payment discounts round out the hidden cost. A vendor invoice paid twice because two people processed it independently, or a 2/10 net 30 discount missed because the invoice sat in someone’s inbox for two weeks, rarely shows up as a single dramatic loss. It shows up as a slow, compounding leak that most finance teams never fully quantify because nobody is tracking it as a line item.

In-House AP Team vs. Outsourced AP: The Real Numbers

An in-house AP clerk in the US carries a national salary range of $43,250 to $54,750 according to Robert Half’s 2026 Salary Guide, before benefits, payroll tax, software licenses, and management time are added. That typically pushes the fully loaded cost of one AP hire to $50,000 to $80,000 a year.

Option Typical cost Best fit
In-house AP clerk (fully loaded) $50,000–$80,000/year High-volume AP with dedicated headcount to spare
Outsourced AP, small business $1,000–$3,000/month Businesses with lower or seasonal invoice volume
Outsourced AP, mid-size company $5,000–$10,000+/month Growing companies with rising invoice volume and multiple approvers

Sources: Robert Half 2026 Salary Guide; industry pricing data compiled from US-based AP outsourcing providers, 2026.

Reported savings from moving to outsourced AP commonly fall in the 30 to 60 percent range compared with an equivalent in-house hire, largely because the business pays for the work actually done rather than a full salary, benefits package, and the software license sitting behind it.

Signs It Is Time to Outsource Accounts Payable

  • Invoices routinely take more than a week to move from receipt to payment, and nobody can say exactly why.
  • The same person who processes invoices also approves them, which is a control gap most auditors will flag.
  • Vendors are calling to ask where their payment is, rather than the business catching the delay first.
  • Early-payment discounts are known to exist but are rarely captured because nobody is tracking the deadline.
  • Invoice volume is growing faster than the finance team, and hiring another clerk feels like treating a symptom rather than the cause.
  • Payments still go out by paper check as a default, not an exception.

 

If two or more of these sound familiar, the cost of staying manual is very likely higher than the cost of outsourcing it, even before factoring in the time a finance leader spends managing the backlog personally.

What Should Be Included in an AP Outsourcing Engagement

A provider that only re-types invoices into accounting software faster is not actually fixing AP. A properly scoped engagement should include invoice capture and data extraction, three-way matching against purchase orders and receiving records, GL coding, approval workflow management, payment execution across ACH, wire, and card, vendor query and dispute handling, and month-end AP reporting that ties out cleanly.

 

It should also include exception handling as a standard part of the service, not an add-on, since exceptions are exactly where manual AP loses the most time. Businesses that need more than AP alone can typically add finance and accounts outsourcing for the broader books, FP&A services for cash flow forecasting that actually uses clean AP data, and payroll outsourcing where payroll and vendor payments run through the same finance function.

How to Choose an AP Outsourcing Partner

Cost matters, but it should not be the first filter. Ask who specifically will be working on the account, not just who is selling the engagement. Ask how they handle three-way matching and exceptions today, with a real example rather than a description. Ask what payment methods they support and how they are moving clients off paper checks, given how disproportionately checks are targeted by fraud. Ask about data security certifications directly, and ask how fast they can realistically onboard.

 

  • A named team handling the account, not a rotating pool of contractors
  • Clear separation between who processes and who approves payments
  • Support for ACH, wire, and card payments, not just checks
  • Security practices such as SOC 2 or ISO-aligned controls, confirmed in writing
  • A realistic onboarding timeline, ideally under two weeks
  • References from businesses of a similar size and invoice volume

Why US Companies Choose Unison Direct

Unison Direct runs accounts payable as part of its finance and accounts outsourcing services for US businesses across SaaS, ecommerce, healthcare, real estate, and professional services, with a named team handling each account rather than a rotating pool of contractors.

 

Onboarding typically takes 3 to 5 business days, not weeks. The team works onshore for client contact and control, with offshore delivery capacity behind it, which keeps cost down without loosening approval controls or US compliance standards. Engagement models stay flexible, whether monthly retainer or per-invoice, depending on actual volume rather than a fixed package. Data security runs on encrypted infrastructure with SOC 2, ISO-aligned, GDPR, and HIPAA-aware practices already in place.

 

Businesses that want AP handled alongside the rest of finance can also draw on Unison Direct’s Virtual CFO Service, FP&A, and business advisory services, all built to work off the same clean numbers rather than in a separate silo.

The Bottom Line

Manual AP rarely fails all at once. It fails a little at a time, in a missed discount here, a duplicate payment there, a vendor call that did not need to happen. Ardent Partners’ numbers show the gap between average and best-in-class AP is roughly three times the cost and three times the time, and that gap is almost entirely closeable through process and dedicated capacity, not a bigger internal team.

 

Price it out before assuming the current setup is fine. For most businesses processing more than a couple hundred invoices a month, outsourced AP costs less than one in-house hire and closes the process gap that hire alone would not fix.

 

Book a free consultation with Unison Direct to see what a properly scoped AP outsourcing engagement would look like for your business, and how quickly it could start.

Frequently Asked Questions

Accounts payable outsourcing is hiring an external team to manage the full AP process, including invoice capture, three-way matching, coding, approval routing, payment execution, and vendor queries, rather than handling it with in-house staff.

Ardent Partners’ 2025 research puts the industry average cost to process one invoice at $9.40, against $2.78 for best-in-class AP teams. Other benchmarks that include labor, error correction, and late fees put the fully loaded cost as high as $12 to $30 per invoice.

Outsourced AP services typically run $1,000 to $3,000 a month for small businesses and $5,000 to $10,000 or more a month for mid-sized companies, or $2 to $10 per invoice depending on volume and complexity. That compares with $50,000 to $80,000 a year for one in-house AP clerk before benefits.

Ardent Partners’ 2025 benchmarks put the industry average invoice exception rate at 22 percent, meaning roughly one in five invoices needs manual intervention. Best-in-class AP teams hold that rate closer to 9 percent through automation and clean supplier data.

A properly run outsourced AP provider should reduce risk rather than add to it, using segregated approval workflows, encrypted infrastructure, and SOC 2 or ISO-aligned controls. Businesses should confirm these practices in writing before signing, rather than assuming they are in place.

A well-run provider can typically onboard a new client within one to two weeks once vendor lists, approval hierarchies, and payment terms are shared. Unison Direct’s finance and accounts outsourcing team typically onboards clients within 3 to 5 business days.

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Case Study USA Fashion Buying House

A US Fashion Buying House Replaced Manual T&A Tracking and Fragmented Vendor Onboarding With Automated, Standardized Buying Operations