Search "accounts receivable outsourcing companies" and you get a ranked list of names, most of them scored on brand size and reach. For a US accounting or CPA firm, that is the wrong scorecard. The real decision is how much control and visibility you keep over your customers and their financial data once the work leaves your desk, and no brand league table measures that.
So this list ranks the same real providers the search results surface, but on the criteria that actually decide it for a firm: the model each one runs, the control and review chain you keep, the data and legal fit, whether you can test the work before you commit, and who the signature stays with. Accountably is first because it is built for exactly that buyer. The rest follow, each described from its own public materials, so you can match the model to your need rather than to a rank.
How we ranked these accounts receivable outsourcing companies
We scored each provider on five things a firm can actually check: the model it runs, how much control and review you keep, its data and legal fit, whether it lets you prove the work before you commit, and who signs off at the end.
Those five sort providers into three service models plus automation software you run in-house, and the category a provider falls into tells you most of what you need before you read a single sales page: embedded staffing works inside your systems under your supervision, full-service outsourcing takes the process onto the provider's platform, a collections agency operates independently to chase what is overdue, and automation software gives your own team better tooling rather than more people.
The spectrum below maps those three service models, from most control to least, while automation software sits apart from it, because you keep the process and buy the tool rather than hand the work off.
The table below places all six providers on those criteria. Read it as a starting shortlist, not a verdict, because the right choice depends on whether your firm needs added capacity, better tooling, or debt recovery.
| Provider | Model | Control, review and signature | Data and legal fit | Proof before you commit |
|---|---|---|---|---|
| Accountably | Embedded offshore accounting and tax staffing for US firms | You supervise directly; multi-layer review; the signature stays with your firm | SOC 2-aligned controls, zero local storage; the oversight duty stays with you | Free 40-Hour Proof Pilot, graded by your own reviewer |
| Auxis | Nearshore full-service finance and accounting outsourcing (a Grant Thornton company) | Runs the process on its side; you supervise by service level | You keep the oversight duty; vet its controls by contract | Scoped assessment, then a contracted engagement |
| Corcentric | Managed accounts receivable services plus order-to-cash software | Takes the customer-facing process off your desk; can even fund receivables | You keep the oversight duty; confirm how customer contact is handled | Discovery and solution design, then onboarding |
| HighRadius | Enterprise accounts receivable automation software | Your own team runs the platform; you keep control, but add tooling not people | Your team, your controls; you set access and retention | Product demo and implementation, built for large finance teams |
| Billtrust | Order-to-cash automation software for business-to-business sellers | Your team runs it inside your systems; control stays in-house | Your team, your controls; it integrates with your existing stack | Product demo and a phased rollout |
| Atradius Collections | Global business-to-business debt collection agency | Works independently of you; the most hands-off model | Heaviest legal weight when the debt is a consumer obligation; you brief and monitor | Case-by-case, often billed on what it recovers |
One column decides more than the others. A cheaper seat that lowers your visibility, or puts customer contact in hands you cannot direct, is not a saving. It is a slower, riskier version of the problem you set out to solve.
Accountably
Accountably places trained offshore accountants and tax preparers inside US CPA, EA, and accounting firms, so the work runs in your own systems and your own process rather than disappearing into a black box. It was built by a CPA, and every file moves through a multi-layer review before it reaches you, with the signature, the customer relationship, and the final call staying with your firm.
Controls are SOC 2-aligned, with zero local storage of your files. Since 2022 we have made 30+ placements across 20+ US firms, and one firm eight placements in with us cut its costs by 42% and told us the workpapers came back better than what it produced in-house.
The reason it leads this list for a firm is the proof step. Before any live customer relationship moves, take a Free 40-Hour Proof Pilot: a fixed 40-hour block of your own representative work, prepared in your systems and put through full review, so your reviewer grades real output before a single client file is committed.
If a placement is not the right fit in the first 30 days, we replace them free under our 30-Day Fit Guarantee. Don't trust us. Test us. Start a Free 40-Hour Proof Pilot and let your own reviewer grade the work.
Auxis
Auxis is a nearshore finance and accounting outsourcing provider, a Grant Thornton company, that runs full accounts receivable operations from delivery centers in Latin America. It handles the whole order-to-cash cycle, from billing and credit management to cash application, deductions, disputes, and collections, and pairs the staffed team with automation and reporting tools. It fits mid-size and larger companies that want the process taken off their desk with time-zone overlap into US hours. For a firm, the tradeoff is that the work runs on the provider's side, so you supervise by service level rather than directing each account yourself.
Corcentric
Corcentric offers accounts receivable both as a managed service and as software inside a broader order-to-cash suite. In its managed model it takes over invoice delivery, collections, and customer payment inquiries, reports cash flow back to your finance team, and in some arrangements will fund receivables on your preferred timeline rather than waiting on the customer to pay. It serves medium and large enterprises across industries such as manufacturing, healthcare, and transportation. Because it runs the customer-facing side, a firm gives up more day-to-day visibility in exchange for less work.
HighRadius
HighRadius is an accounts receivable automation platform, not a staffing or outsourcing service. Its software uses automation and machine learning to run cash application, collections, deductions, and credit across the full credit-to-cash cycle, and it is built for large corporate finance teams. Because your own team operates the platform, you keep control of the work and the customer relationship; what you are buying is tooling and speed, not extra people. For a firm whose constraint is headcount rather than software, that is a different purchase than a staffed team.
Billtrust
Billtrust is an order-to-cash automation platform aimed at business-to-business sellers, covering invoicing, payments, cash application, collections, and credit in one system that integrates with your existing accounting stack. Like other software-led options, it keeps the work and the control inside your own team rather than handing it to an outside provider, and it markets that retained control as the point. It fits companies that want to modernize a high-volume receivables operation without outsourcing the people. A firm considering it is choosing better tooling for its own staff, not added capacity.
Atradius Collections
Atradius Collections is a global business-to-business debt collection agency, part of a credit-insurance group, that pursues unpaid invoices at home and abroad. It runs the collection process end to end, from reminders and multilingual follow-up to negotiation and, where needed, legal escalation across the countries it operates in. This is the most hands-off model on the list and the narrowest: it is built to recover overdue accounts, not to run your day-to-day receivables. It also carries the heaviest legal weight when the money is owed by a consumer rather than a business, which the next section explains.
The legal layer most lists skip
Two federal rules can apply the moment your receivables leave your control, and which one matters depends on who owes the money. The rankings rarely mention either, and both turn on facts you can check about a provider rather than claims it makes about itself.
Does the FTC Safeguards Rule apply to your firm?
The FTC Safeguards Rule reaches further than most firms expect. It defines a financial institution broadly, and it says in plain text that "an accountant or other tax preparation service that is in the business of completing income tax returns is a financial institution" (16 CFR 314.2(h)(2)(viii)). If that describes your firm, overseeing your providers is your job, not theirs.
You must take reasonable steps to select and retain providers capable of maintaining appropriate safeguards, require those safeguards by contract, and periodically assess them (16 CFR 314.4(f)). That duty does not move to the vendor when the work does. It stays with you for as long as the arrangement lasts.
When does the Fair Debt Collection Practices Act apply?
The second rule turns on who owes the money.
The Fair Debt Collection Practices Act defines a "debt" as an obligation of a consumer arising from a transaction for "personal, family, or household purposes," and a "debt collector" as a business whose principal purpose is collecting debts, or one that "regularly collects or attempts to collect" debts "owed or due or asserted to be owed or due another" (15 U.S.C. 1692a).
A company you hire to collect debts your consumers owe you is a debt collector under the Act; a company collecting business-to-business invoices generally is not, because a debt between two businesses is not a consumer obligation. So a collections-agency provider working consumer accounts is operating in regulated territory, and how it behaves becomes both your reputation and its legal exposure.
State law can add more on top of both, from licensing rules for consumer-debt collectors to stricter privacy requirements. Confirm your own obligations, and any license the provider needs, with counsel before customer data moves.
What does accounts receivable outsourcing cost?
Price follows the model, so the three shapes land in three different places, and a low headline number is not the same as a low cost. A dedicated seat is billed as a flat monthly rate, volume work is billed per invoice or on a scaling monthly fee, and a collections agency takes a percentage of what it recovers.
The dedicated-seat model is a flat monthly rate for a person or a function. Outsourced accounting engagements commonly run $500 to $1,500 a month for basic bookkeeping and $2,000 to over $5,000 a month for a comprehensive function (CDH CPA).
In-house, the same labor is not cheap. The median US wage is $46,040 a year for a bill and account collector and $49,210 for a bookkeeping, accounting, and auditing clerk (BLS, BLS, May 2024). The distance between a monthly seat and a loaded domestic salary is what the model is selling.
Volume work is priced differently: per invoice, or on a monthly fee that scales with how much you send rather than with your headcount. A provider billing this way charges by throughput, so the same arrangement costs a low-volume firm far less than one pushing high invoice counts every month. Read the unit, because a small per-invoice rate on high volume can total more than a fixed seat.
The collections model is contingency: a cut of what the agency actually recovers, and nothing when it recovers nothing. Commercial agencies commonly charge 10% to 50% of the amount collected, rising with the age and difficulty of the account (Southwest Recovery). Even the federal government works this way: the IRS keeps up to 25% of what its private collection agencies bring in, to cover their commission (Taxpayer Advocate Service).
A recovery-based fee pushes a collector to press your customer harder than a salaried seat would, so weigh the incentive alongside the number.
Frequently asked questions
Which accounts receivable outsourcing company is best for an accounting firm?
The best fit for an accounting or CPA firm is usually the model that adds capacity while keeping the work inside your systems, under your review, with your signature on the result, which is why embedded staffing leads this list. Full-service outsourcing and automation software can be the right call when your constraint is a whole process or aging tooling rather than headcount. Score any provider on control, review chain, data and legal fit, and a proof step before you weigh its brand or its rank.
What is the difference between accounts receivable outsourcing and a collections agency?
Accounts receivable outsourcing can cover the whole order-to-cash cycle, from invoicing and cash application to reporting, and much of it never involves chasing a late payer. A collections agency is narrower: a specialist that pursues overdue or disputed accounts, often paid a share of what it recovers. The distinction is not only scope. When the debt is owed by a consumer, a third-party collector is a debt collector under the Fair Debt Collection Practices Act, with rules a general accounts receivable team running your invoicing would not trigger.
Do you lose control of customer relationships when you outsource accounts receivable?
Not necessarily, but how much you keep depends entirely on the model. Embedded staffing that works inside your system leaves you directing each account and seeing every status change. A full-service provider running the process on its own platform gives you reporting instead of direct visibility, and a collections agency operating independently gives you the least. Treat control as something to verify against the model, not to take on faith, because every provider markets it.
Is it safe to send accounts receivable data offshore?
Sending accounts receivable data offshore can be safe when the provider protects it with encryption, access controls, and contractual safeguards, and when you keep the oversight the law assigns you. If your firm is a covered financial institution, the FTC Safeguards Rule makes selecting a capable provider, requiring safeguards by contract, and reassessing them your continuing duty, wherever the team sits. Safety offshore is a function of controls and supervision, not distance, so the questions to ask are about the security program and your own oversight.
How do accounts receivable outsourcing companies charge?
Pricing usually follows one of three shapes: per full-time equivalent for a dedicated team, per transaction or invoice for volume work, or a share of what a collector recovers. Each one points the provider's incentives somewhere different, so read the structure, not just the number. A collector paid on recovery is motivated to push harder on your customer than a seat-based team is, and that incentive matters as much as the price when a customer relationship is at stake.