Company lists · Data refreshed September 2026

Top 25 Accounts receivable services based in the United States

Name: Accounts receivable services based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 1,226 companies tracked

RevenueBase identified 1,226 accounts receivable services headquartered in the United States as of September 2026 and tracks 40,708 professional contacts across them, including 9,589 with verified work emails. Houston is the largest hub.

This list covers accounts receivable services headquartered in the United States, 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 19, 2026.

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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review

1,226Companies

40,708Contacts tracked

9,589Verified emails

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The 25 largest accounts receivable services based in the United States

Ranked by team size

Top 25 of 1,226 accounts receivable services based in the United States, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to accounts receivable services: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	TSI	Strong evidence	Fort Washington, WA, United StatesHQ checked Sep 19, 2026	10001+	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 19, 2026
2	Credence Global Solutions	Indirect evidence	Dallas, TX, United StatesHQ checked Sep 19, 2026	1,001-5,000	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 19, 2026
3	Radius Global Solutions LLC	Strong evidence	Ambler, PA, United StatesHQ checked Sep 19, 2026	1,001-5,000	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 19, 2026
4	Coronis Health	Indirect evidence	Jackson, MI, United StatesHQ checked Sep 19, 2026	5,001-10,000	1,735 contacts →
	Indirect evidence “At Coronis Health, we are specialists serving specialists.” Source: RevenueBase Database · checked Sep 19, 2026
5	SSC	Indirect evidence	Tinley Park, IL, United StatesHQ checked Sep 19, 2026	201-500	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 19, 2026
6	Billtrust	Strong evidence	Nashville, TN, United StatesHQ checked Sep 19, 2026	501-1,000	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 19, 2026
7	GC Services	Indirect evidence	Houston, TX, United StatesHQ checked Sep 19, 2026	5,001-10,000	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 19, 2026
8	Annexmed, INC	Indirect evidence	Salt Lake City, UT, United StatesHQ checked Sep 19, 2026	1,001-5,000	649 contacts →
	Indirect evidence “AnnexMed – A Premier Revenue Cycle Management organization that provides Verification of Benefits, Medical Coding, HIM Solutions, Medical Billing, AR Follow-up, Denial Management…” Source: RevenueBase Database · checked Sep 19, 2026
9	Client Services Incorporated	Indirect evidence	Saint Charles, MO, United StatesHQ checked Sep 19, 2026	501-1,000	629 contacts →
	Indirect evidence “Client Services, Inc.(CSI) was founded in 1987 in the heartland of America.” Source: RevenueBase Database · checked Sep 19, 2026
10	Meduit Driving Revenue Cycle Performance	Indirect evidence	Charlotte, NC, United StatesHQ checked Sep 19, 2026	1,001-5,000	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 19, 2026
11	Meddata	Indirect evidence	Spring, TX, United StatesHQ checked Sep 19, 2026	1,001-5,000	545 contacts →
	Indirect evidence “MedData is now Elevate Patient Financial Solutions.” Source: RevenueBase Database · checked Sep 19, 2026
12	Medcare MSO	Indirect evidence	Irvine, CA, United StatesHQ checked Sep 19, 2026	1,001-5,000	541 contacts →
	Indirect evidence “Medcare MSO \| Simplifying Revenue Cycle Management for U.S.” Source: RevenueBase Database · checked Sep 19, 2026
13	FINVI	Indirect evidence	Burlington, MA, United StatesHQ checked Sep 19, 2026	201-500	472 contacts →
	Indirect evidence “A legacy of innovation, with a focus on client success.” Source: RevenueBase Database · checked Sep 19, 2026
14	Conserve	Strong evidence	Fairport, NY, United StatesHQ checked Sep 19, 2026	201-500	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 19, 2026
15	3gen Consulting Services	Indirect evidence	Houston, TX, United StatesHQ checked Sep 19, 2026	501-1,000	443 contacts →
	Indirect evidence “3Gen Consulting is a healthcare revenue cycle management (RCM) and consulting company helping providers, payers, and ACOs achieve smarter operations, stronger compliance, and…” Source: RevenueBase Database · checked Sep 19, 2026
16	NCS Credit	Indirect evidence	Highland Heights, OH, United StatesHQ checked Sep 19, 2026	51-200	430 contacts →
	Indirect evidence “Since 1970, NCS Credit has been the leader in providing credit professionals throughout the U.S.” Source: RevenueBase Database · checked Sep 19, 2026
17	Allianceone	Indirect evidence	Blue Bell, PA, United StatesHQ checked Sep 19, 2026	1,001-5,000	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 19, 2026
18	Bellmedex Medical Billing And Revenue Cycle Management Services	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 19, 2026	1,001-5,000	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 19, 2026
19	Versapay	Indirect evidence	Atlanta, GA, United StatesHQ checked Sep 19, 2026	201-500	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 19, 2026
20	PFS Group	Strong evidence	Houston, TX, United StatesHQ checked Sep 19, 2026	201-500	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 19, 2026
21	Williams & Fudge, INC	Indirect evidence	Rock Hill, SC, United StatesHQ checked Sep 19, 2026	201-500	360 contacts →
	Indirect evidence “Founded in 1986, Williams & Fudge, Inc.” Source: RevenueBase Database · checked Sep 19, 2026
22	IC System	Strong evidence	St. Paul, MN, United StatesHQ checked Sep 19, 2026	501-1,000	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 19, 2026
23	ARS National Services	Strong evidence	Escondido, TX, United StatesHQ checked Sep 19, 2026	201-500	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 19, 2026
24	Alltran	Indirect evidence	Houston, TX, United StatesHQ checked Sep 19, 2026	1,001-5,000	307 contacts →
	Indirect evidence “Alltran is more than just a new name.” Source: RevenueBase Database · checked Sep 19, 2026
25	Harris & Harris	Strong evidence	Chicago, IL, United StatesHQ checked Sep 19, 2026	501-1,000	290 contacts →
	Strong evidence “Harris & Harris is an acknowledged leader in the field of accounts receivable management.” Source: RevenueBase Database · checked Sep 19, 2026

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 services. 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 services.
Partial evidence: Its own public description names part of accounts receivable services, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name accounts receivable services. 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 1,226 accounts receivable services based in the United States

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Accounts receivable services based in the United States at a glance

As of Sep 19, 2026

23.6%Verified-email coverage

33.2Average contacts per company

11-50Median size (employees)

3.6%Largest-city concentration · Houston

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

390

11-50

481

51-200

229

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,226 companies.

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 services, 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.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “accounts receivable services”. 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 services), 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 services, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
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, 9,589 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 19, 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 services by metro

Accounts receivable services in Houston44
Accounts receivable services in New York30

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 services, 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 services are there based in the United States?

RevenueBase identified 1,226 accounts receivable services headquartered in the United States 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 city has the most accounts receivable services?

Houston leads with 44 headquartered companies, followed by New York (30) and Austin (23).

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 9,589 verified decision-maker contacts tracked across these 1,226 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 19, 2026.

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Accounts receivable services by geography

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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.