Company lists · Data refreshed September 2026
Top 25 Accounts receivable outsourcing firms worldwide
RevenueBase identified 1,573 accounts receivable outsourcing firms worldwide as of September 2026 and tracks 42,742 professional contacts across them, including 9,284 with verified work emails. The United States is the largest market and Houston the largest hub.
This list covers accounts receivable outsourcing firms worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026. Country and city lists for accounts receivable outsourcing firms follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest accounts receivable outsourcing firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,677 contacts → | ||||
Strong evidence “Transworld Systems Inc.(TSI) stands as the leading tech-driven provider in Accounts Receivable Management (ARM), Healthcare Revenue Cycle Management (RCM), Customer Experience…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,969 contacts → | ||||
Indirect evidence “Headquartered in Dallas, TX with over 2,500 employees worldwide, Credence Global Solutions offers technology, human resources and offsite infrastructure solutions and services…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,739 contacts → | ||||
Strong evidence “Radius Global Solutions is a leading provider of accounts receivable, customer relations and revenue cycle management solutions.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,404 contacts → | ||||
Indirect evidence “NCO's Customer Fit Solutions are Custom Fit.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 854 contacts → | ||||
Indirect evidence “Springfield Service Corporation (SSC) is one of the top ten Revenue Cycle Management Service providers in the United States.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 833 contacts → | ||||
Strong evidence “If you’re a finance pro ready to transform accounts receivable, or a bold thinker looking to do meaningful work, Billtrust is where you belong.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 831 contacts → | ||||
Strong evidence “IQ BackOffice is the leading accounting Business Process Outsourcing and Automation provider, offering 99.97% quality and up to 68% savings to companies around the globe.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 768 contacts → | ||||
Indirect evidence “We are a trusted leader in providing integrated solutions, leveraging cutting-edge technology to deliver exceptional customer experiences.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 629 contacts → | ||||
Indirect evidence “Client Services, Inc.(CSI) was founded in 1987 in the heartland of America.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 605 contacts → | ||||
Indirect evidence “Meduit was born out of a drive for excellence and a passion for new ideas for improving revenue cycle management for healthcare organizations and the patients they serve.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 472 contacts → | ||||
Indirect evidence “A legacy of innovation, with a focus on client success.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 472 contacts → | ||||
Strong evidence “ConServe is a leading provider of accounts receivable management and collection services specializing in customized solutions for commercial lenders, financial institutions…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 421 contacts → | ||||
Indirect evidence “AllianceOne offers the financial strength, imagination, technological sophistication, and a work ethic that is the envy of our industry.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 409 contacts → | ||||
Indirect evidence “For nearly a decade, Seattle based BellMedEx has been providing top-quality Revenue Cycle Management services to medical practices across the nation.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 389 contacts → | ||||
Indirect evidence “Versapay is the platform that rewires AR by removing barriers from collecting and reconciling B2B payments, providing end-to-end cash flow clarity, ensuring businesses can manage…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 381 contacts → | ||||
Strong evidence “PFS Group provides accounts receivable enhancement programs that are custom-designed for each client's individual needs.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 360 contacts → | ||||
Indirect evidence “Founded in 1986, Williams & Fudge, Inc.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 352 contacts → | ||||
Strong evidence “IC System is an Accounts Receivable Management provider and one of the largest collection companies in North America.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 330 contacts → | ||||
Indirect evidence “Nuestra Misión Brindamos soluciones y servicios de recuperación y normalización de cuentas por cobrar de personas y empresas en diversas industrias.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 327 contacts → | ||||
Strong evidence “A NATIONAL LEADER ARS is a proven leader in the accounts receivable management industry:> Working with customers in all 50 states, through 4 regional offices throughout the United…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 309 contacts → | ||||
Strong evidence “SPED Consulting BPO Bussiness Process Outsourcing Receivables Management and Control Accouting an Financial Adminsitration Inteligence and Management Processes of Recovery…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 307 contacts → | ||||
Indirect evidence “Alltran is more than just a new name.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 290 contacts → | ||||
Strong evidence “Harris & Harris is an acknowledged leader in the field of accounts receivable management.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 290 contacts → | ||||
Strong evidence “We are experts in the field of international receivables management: fiduciary collection, debt purchase and business process outsourcing.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 279 contacts → | ||||
Partial evidence “Credit Control, LLC is a nationally licensed provider of customized, performance-driven receivables management services founded in 1989.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: accounts receivable outsourcing firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names accounts receivable outsourcing firms.
- Partial evidence
- Its own public description names part of accounts receivable outsourcing firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name accounts receivable outsourcing firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 1,573 accounts receivable outsourcing firms worldwide
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Accounts receivable outsourcing firms worldwide at a glance
As of Sep 21, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among accounts receivable outsourcing firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for accounts receivable outsourcing firms are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “accounts receivable outsourcing firms”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names accounts receivable outsourcing firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among accounts receivable outsourcing firms, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 9,284 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 21, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Accounts receivable outsourcing firms by location
9 lists · largest firstEvery Accounts receivable outsourcing firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Accounts receivable outsourcing firms based in the United States638
- Accounts receivable outsourcing firms based in Brazil101
- Accounts receivable outsourcing firms based in India90
- Accounts receivable outsourcing firms based in France56
- Accounts receivable outsourcing firms based in the Netherlands55
- Accounts receivable outsourcing firms based in Germany46
- Accounts receivable outsourcing firms based in the United Kingdom45
- Accounts receivable outsourcing firms based in Canada31
- Accounts receivable outsourcing firms based in Australia27
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names accounts receivable outsourcing firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many accounts receivable outsourcing firms are there worldwide?
RevenueBase identified 1,573 accounts receivable outsourcing firms worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
TSI, headquartered in Federal Way, tops this list with the largest team on record.
Which country has the most accounts receivable outsourcing firms?
The United States leads with 638 companies, followed by Brazil (101) and India (90). Every accounts receivable outsourcing firms list by country and city is linked on this page.
Which city has the most accounts receivable outsourcing firms?
Houston leads with 23 headquartered companies, followed by Sao Paulo (23) and London (16).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 9,284 verified decision-maker contacts tracked across these 1,573 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.