Company lists · Data refreshed September 2026

Top 25 Accounts receivable call centers worldwide

RevenueBase identified 3,960 accounts receivable call centers worldwide as of September 2026 and tracks 192,801 professional contacts across them, including 21,449 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers accounts receivable call centers 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 27, 2026. Country and city lists for accounts receivable call centers 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 27, 2026 86% judged on-target in blind review
3,960Companies
192,801Contacts tracked
21,449Verified emails
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The 25 largest accounts receivable call centers worldwide

Ranked by team size
Top 25 of 3,960 accounts receivable call centers worldwide, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to accounts receivable call centers: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceCorsico, ItalyHQ checked Sep 27, 202610001+9,614 contacts →

Indirect evidence

“We're KONECTA now!”

Source: RevenueBase Database · checked Sep 27, 2026
2Indirect evidenceBauru, BrazilHQ checked Sep 27, 202610001+4,193 contacts →

Indirect evidence

“Somos um ecossistema de soluções em outsourcing, especialistas em cobrança e atendimento.”

Source: RevenueBase Database · checked Sep 27, 2026
3Strong evidenceUberlândia, BrazilHQ checked Sep 27, 20265,001-10,0004,126 contacts →

Strong evidence

“Mais que call center: soluções que transformam o seu negócio e a jornada dos clientes!”

Source: RevenueBase Database · checked Sep 27, 2026
4Indirect evidenceMadrid, SpainHQ checked Sep 27, 202610001+3,716 contacts →

Indirect evidence

“is a tech company specialized in providing, and for.”

Source: RevenueBase Database · checked Sep 27, 2026
5Strong evidenceFort Washington, WA, United StatesHQ checked Sep 27, 202610001+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 27, 2026
6Partial evidencePasay City, PhilippinesHQ checked Sep 27, 20265,001-10,0003,061 contacts →

Partial evidence

“ePerformax is a high-performing contact center & BPO that provides world-class, omnichannel service and support to a select group of Fortune companies and their customers.”

Source: RevenueBase Database · checked Sep 27, 2026
7Strong evidenceBerwyn, PA, United StatesHQ checked Sep 27, 20265,001-10,0002,774 contacts →

Strong evidence

“Advanced Call Center Technologies, LLC (ACT) is a premier provider of domestic (USA), near shore and far shore outsourced call center services to the financial services, mortgage…”

Source: RevenueBase Database · checked Sep 27, 2026
8Indirect evidenceBarrie, ON, CanadaHQ checked Sep 27, 20265,001-10,0002,606 contacts →

Indirect evidence

“Bill Gosling Outsourcing is your -powered by AI innovation, proprietary technology, and 70+ years of trusted expertise.”

Source: RevenueBase Database · checked Sep 27, 2026
9Indirect evidenceJohannesburg, South AfricaHQ checked Sep 27, 20261,001-5,0002,547 contacts →

Indirect evidence

“We’re a global BPO leader headquartered in South Africa.”

Source: RevenueBase Database · checked Sep 27, 2026
10Partial evidenceBogotá D.c, ColombiaHQ checked Sep 27, 20265,001-10,0002,342 contacts →

Partial evidence

“Más que un contact center y BPO, somos el partner que asegura que la experiencia de tus clientes sea increíble.”

Source: RevenueBase Database · checked Sep 27, 2026
11Partial evidenceBuenos Aires, ArgentinaHQ checked Sep 27, 20261,001-5,0002,221 contacts →

Partial evidence

“Somos la compañía líder en Servicios Next Gen de Contact Center, Business Process Outsourcing (BPO) y Customer Experience (CX).”

Source: RevenueBase Database · checked Sep 27, 2026
12Indirect evidenceNorfolk, VA, United StatesHQ checked Sep 27, 20261,001-5,0002,115 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 27, 2026
13Indirect evidenceDallas, TX, United StatesHQ checked Sep 27, 20261,001-5,0001,969 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 27, 2026
14Indirect evidenceBoca Raton, FL, United StatesHQ checked Sep 27, 20265,001-10,0001,741 contacts →

Indirect evidence

“Award-winning outsourcing partner with two decades of experience operating an exclusively nearshore strategy that delivers better performance, close to home, and at a lower cost.”

Source: RevenueBase Database · checked Sep 27, 2026
15Strong evidenceAmbler, PA, United StatesHQ checked Sep 27, 20261,001-5,0001,739 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 27, 2026
16Indirect evidenceSão Paulo, BrazilHQ checked Sep 27, 20261,001-5,0001,718 contacts →

Indirect evidence

“Com mais 25 anos no mercado, e 2 anos fazendo parte do grupo Clash, a Intervalor é um dos maiores players de crédito e cobrança.”

Source: RevenueBase Database · checked Sep 27, 2026
17Partial evidenceWaco, TX, United StatesHQ checked Sep 27, 20265,001-10,0001,710 contacts →

Partial evidence

“Support Services Group (SSG) helps businesses accelerate growth and earn customers for life through high-touch, outsourced engagement center services.”

Source: RevenueBase Database · checked Sep 27, 2026
18Indirect evidenceDakar, SenegalHQ checked Sep 27, 20261,001-5,0001,702 contacts →

Indirect evidence

“Leading Customer Experience and Operations outsourcing provider in emerging markets, PCCI Group has quickly emerged as a key player delivering consistent and branded customer…”

Source: RevenueBase Database · checked Sep 27, 2026
19Indirect evidenceUnited StatesHQ checked Sep 27, 202610001+1,404 contacts →

Indirect evidence

“NCO's Customer Fit Solutions are Custom Fit.”

Source: RevenueBase Database · checked Sep 27, 2026
20Partial evidenceGuayaquil, EcuadorHQ checked Sep 27, 20261,001-5,0001,225 contacts →

Partial evidence

“We deliver tailored Contact Center and Back Office solutions to our strategic partners, leveraging advanced technology and high quality standards to elevate customer experiences…”

Source: RevenueBase Database · checked Sep 27, 2026
21Strong evidenceSt Petersburg, FL, RussiaHQ checked Sep 27, 20261,001-5,0001,198 contacts →

Strong evidence

“The Office Gurus (TOG) is a global call center and business process outsource provider of customer care, telemarketing, lead generation, appointment setting, order entry, accounts…”

Source: RevenueBase Database · checked Sep 27, 2026
22Strong evidenceSão Paulo, BrazilHQ checked Sep 27, 20265,001-10,0001,114 contacts →

Strong evidence

“A Credit Cash é a empresa que mais cresceu nos últimos anos quando se fala em empresas de Call Center.”

Source: RevenueBase Database · checked Sep 27, 2026
23Indirect evidenceAguada, CubaHQ checked Sep 27, 2026201-5001,060 contacts →

Indirect evidence

“Abitab como empresa líder del mercado de cobranzas y pagos tiene como objetivo fundamental brindar calidad a sus clientes.”

Source: RevenueBase Database · checked Sep 27, 2026
24Indirect evidencePhoenix, AZ, United StatesHQ checked Sep 27, 20261,001-5,0001,048 contacts →

Indirect evidence

“Valor Global is a global leader in providing extraordinary customer experiences for clients across the globe.”

Source: RevenueBase Database · checked Sep 27, 2026
25Indirect evidenceUnited Arab EmiratesHQ checked Sep 27, 2026201-500956 contacts →

Indirect evidence

“Debt Collection Agency”

Source: RevenueBase Database · checked Sep 27, 2026

Showing 25 of 3,960 accounts receivable call centers worldwide

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Accounts receivable call centers worldwide at a glance

As of Sep 27, 2026
11.1%Verified-email coverage
48.7Average contacts per company
11-50Median size (employees)
1.9%Largest-city concentration · Sao Paulo
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
915
11-50
1,319
51-200
984
201-500
383
501-1,000
155
1,001-5,000
144
5,001-10,000
22
10001+
19

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 call centers, 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 call centers are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “accounts receivable call centers”. 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 call centers), 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 call centers, 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, 21,449 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 27, 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 call centers by location

20 lists · largest first

Every Accounts receivable call centers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 call centers, 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 call centers are there worldwide?

RevenueBase identified 3,960 accounts receivable call centers 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?

Comdata Group, headquartered in Corsico, tops this list with the largest team on record.

Which country has the most accounts receivable call centers?

The United States leads with 882 companies, followed by Brazil (305) and India (228). Every accounts receivable call centers list by country and city is linked on this page.

Which city has the most accounts receivable call centers?

Sao Paulo leads with 76 headquartered companies, followed by Houston (29) and Bogota (28).

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 21,449 verified decision-maker contacts tracked across these 3,960 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 27, 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.