Company lists · Data refreshed September 2026

Top 25 Collections agencies based in the United States

Name: Collections agencies 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 1,541 companies tracked

RevenueBase identified 1,541 collections agencies headquartered in the United States as of September 2026 and tracks 49,422 professional contacts across them, including 11,749 with verified work emails. Houston is the largest hub.

This list covers collections agencies 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

1,541Companies

49,422Contacts tracked

11,749Verified emails

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The 25 largest collections agencies based in the United States

Ranked by team size

Top 25 of 1,541 collections agencies 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 collections agencies: 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	Indirect evidence	Fort Washington, WA, United StatesHQ checked Sep 19, 2026	10001+	3,677 contacts →
	Indirect 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	Encore Capital Group	Indirect evidence	San Diego, CA, United StatesHQ checked Sep 19, 2026	5,001-10,000	2,587 contacts →
	Indirect evidence “Encore means more.” Source: RevenueBase Database · checked Sep 19, 2026
3	PRA Group Nasdaq Praa	Indirect evidence	Norfolk, VA, United StatesHQ checked Sep 19, 2026	1,001-5,000	2,115 contacts →
	Indirect evidence “As a global leader in acquiring and collecting nonperforming loans, PRA Group returns capital to banks and other creditors to help expand financial services for consumers.” Source: RevenueBase Database · checked Sep 19, 2026
4	Radius Global Solutions LLC	Indirect evidence	Ambler, PA, United StatesHQ checked Sep 19, 2026	1,001-5,000	1,739 contacts →
	Indirect 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
5	Linebarger Goggan Blair & Sampson, LLP	Strong evidence	Austin, TX, United StatesHQ checked Sep 19, 2026	1,001-5,000	882 contacts →
	Strong evidence “Celebrating 50 years of service, Linebarger Goggan Blair & Sampson, LLP is a national law firm specializing in the collection of delinquent accounts receivable for government…” Source: RevenueBase Database · checked Sep 19, 2026
6	Portfolio Recovery Associates, LLC	Indirect evidence	Norfolk, VA, United StatesHQ checked Sep 19, 2026	1,001-5,000	854 contacts →
	Indirect evidence “Portfolio Recovery Associates LLC, a subsidiary of PRA Group, Inc, specializes in working with people in debt repayment.” 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	Weltman, Weinberg & Reis Co., LPA	Indirect evidence	Cleveland, OH, United StatesHQ checked Sep 19, 2026	501-1,000	706 contacts →
	Indirect evidence “With over 95 years of experience, Weltman, Weinberg & Reis Co, LPA is a nationally-recognized full-service creditors’ rights law firm.” Source: RevenueBase Database · checked Sep 19, 2026
9	Performant Healthcare, INC	Indirect evidence	Plantation, FL, United StatesHQ checked Sep 19, 2026	1,001-5,000	635 contacts →
	Indirect evidence “Billions of dollars are lost each year to waste, improper payments and unpaid debts.” Source: RevenueBase Database · checked Sep 19, 2026
10	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
11	Resurgent Capital Services	Strong evidence	Greenville, SC, United StatesHQ checked Sep 19, 2026	501-1,000	567 contacts →
	Strong evidence “At Resurgent Capital Services, we’re not just about debt collection; we’re about fostering personal and professional excellence.” Source: RevenueBase Database · checked Sep 19, 2026
12	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
13	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
14	Windham Professionals INC	Indirect evidence	Salem, NH, United StatesHQ checked Sep 19, 2026	201-500	417 contacts →
	Indirect evidence “Windham Professionals, Inc.” Source: RevenueBase Database · checked Sep 19, 2026
15	PFS Group	Indirect evidence	Houston, TX, United StatesHQ checked Sep 19, 2026	201-500	381 contacts →
	Indirect 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
16	First Credit Services INC	Strong evidence	Piscataway, NJ, United StatesHQ checked Sep 19, 2026	501-1,000	367 contacts →
	Strong evidence “First Credit Services is a Digital Debt Collection and BPO Company specializing in Accounts Receivable Management and Customer Service Outsourcing.” Source: RevenueBase Database · checked Sep 19, 2026
17	Cedar Financial	Indirect evidence	Calabasas, CA, United StatesHQ checked Sep 19, 2026	51-200	361 contacts →
	Indirect evidence “Since 1991, Cedar Financial has been providing world-class debt management solutions for national and international clients.” Source: RevenueBase Database · checked Sep 19, 2026
18	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
19	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
20	MRS Bpo, LLC	Indirect evidence	Cherry Hill, NJ, United StatesHQ checked Sep 19, 2026	501-1,000	343 contacts →
	Indirect evidence “Founded in 1991 in New Jersey, MRS BPO has spent 35 years helping banks, telecom providers, retailers, and other creditors recover revenue while protecting the consumer…” Source: RevenueBase Database · checked Sep 19, 2026
21	The CCS Companies	Strong evidence	Norwood, MA, United StatesHQ checked Sep 19, 2026	501-1,000	341 contacts →
	Strong evidence “The CCS organization provides expert solutions in the following focused specialties: • Credit Collection Services (CCS): CCS is widely recognized as one the nation’s largest and…” Source: RevenueBase Database · checked Sep 19, 2026
22	ARS National Services	Indirect evidence	Escondido, TX, United StatesHQ checked Sep 19, 2026	201-500	327 contacts →
	Indirect 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
23	Phillips & Cohen Associates	Strong evidence	Wilmington, DE, United StatesHQ checked Sep 19, 2026	201-500	319 contacts →
	Strong evidence “A Reputation for Results Phillips & Cohen Associates has built a successful and rapidly growing business by delivering industry-leading collections results while simultaneously…” 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	Knovaone	Indirect evidence	West Palm Beach, FL, United StatesHQ checked Sep 19, 2026	501-1,000	305 contacts →
	Indirect evidence “Founded in 2012 and headquartered in Bonita Springs, Florida, Knova One – A TRAKAmerica company, is part of a leading legal and financial services group with a strong U.S.” 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: collections agencies. 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 collections agencies.
Partial evidence: Its own public description names part of collections agencies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name collections agencies. 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 1,541 collections agencies based in the United States

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Collections agencies based in the United States at a glance

As of Sep 19, 2026

23.8%Verified-email coverage

32.1Average contacts per company

11-50Median size (employees)

2.7%Largest-city concentration · Houston

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

511

11-50

608

51-200

284

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 1,541 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 collections agencies, 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 “collections agencies”. 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 collections agencies), 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 collections agencies, 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, 11,749 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.

Collections agencies by metro

Collections agencies in Houston42
Collections agencies in New York26

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 collections agencies, 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 collections agencies are there based in the United States?

RevenueBase identified 1,541 collections agencies 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 collections agencies?

Houston leads with 42 headquartered companies, followed by New York (26) and Dallas (20).

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 11,749 verified decision-maker contacts tracked across these 1,541 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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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.