Company lists · Data refreshed September 2026

Top 25 Contact center automation services worldwide

Name: Contact center automation services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 27, 2026 8,302 companies tracked

RevenueBase identified 8,302 contact center automation services worldwide as of September 2026 and tracks 455,378 professional contacts across them, including 59,652 with verified work emails. The United States is the largest market and London the largest hub.

This list covers contact center automation services 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 contact center automation services 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

8,302Companies

455,378Contacts tracked

59,652Verified emails

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The 25 largest contact center automation services worldwide

Ranked by team size

Top 25 of 8,302 contact center automation services worldwide, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to contact center automation 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	Atento	Indirect evidence	Madrid, MexicoHQ checked Sep 27, 2026	10001+	77,129 contacts →
	Indirect evidence “We are one of the world's largest global providers of customer relationship management and business transformation outsourcing (CRM/BTO) services and industry leaders in Latin…” Source: RevenueBase Database · checked Sep 27, 2026
2	HGS	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 27, 2026	10001+	24,115 contacts →
	Indirect evidence “HGS is a global provider of technology, AI, and business services, helping organizations transform with confidence.” Source: RevenueBase Database · checked Sep 27, 2026
3	AEC	Indirect evidence	Belo Horizonte, BrazilHQ checked Sep 27, 2026	10001+	20,095 contacts →
	Indirect evidence “A AeC é apontada consistentemente como a líder brasileira na entrega de soluções de experiência do cliente e gestão de processos terceirizados.” Source: RevenueBase Database · checked Sep 27, 2026
4	IQOR	Indirect evidence	Fort Lauderdale, FL, United StatesHQ checked Sep 27, 2026	10001+	17,310 contacts →
	Indirect evidence “iQor is a trusted partner in customer experience solutions for global brands and a portfolio company of Mill Point Capital.” Source: RevenueBase Database · checked Sep 27, 2026
5	Startek	Indirect evidence	Denver, United StatesHQ checked Sep 27, 2026	10001+	14,976 contacts →
	Indirect evidence “A global customer experience (CX) management solutions provider, Startek® delivers best-in-class omnichannel CX, digital transformation and enterprise tech services for leading…” Source: RevenueBase Database · checked Sep 27, 2026
6	24 7.ai	Indirect evidence	Campbell, CA, United StatesHQ checked Sep 27, 2026	10001+	8,461 contacts →
	Indirect evidence “24]7.ai™ customer engagement solutions use conversational artificial intelligence to understand customer intent, enabling companies to create personalized, predictive, and…” Source: RevenueBase Database · checked Sep 27, 2026
7	Ringcentral	Strong evidence	Belmont, CA, United StatesHQ checked Sep 27, 2026	5,001-10,000	6,431 contacts →
	Strong evidence “RingCentral, Inc.(NYSE: RNG) is a global leader in AI–powered customer engagement, delivering an integrated platform for business phone, SMS, contact center, workforce engagement…” Source: RevenueBase Database · checked Sep 27, 2026
8	Turkcell Global Bilgi	Indirect evidence	Beyoglu, TürkiyeHQ checked Sep 27, 2026	10001+	6,167 contacts →
	Indirect evidence “Bir Turkcell grup şirketi olarak yılında kurulduğumuzda amacımız hep eşsiz bir müşteri deneyimi yaşatmaktı.” Source: RevenueBase Database · checked Sep 27, 2026
9	Afni, INC	Strong evidence	Bloomington, IL, United StatesHQ checked Sep 27, 2026	10001+	5,553 contacts →
	Strong evidence “When people reach for their phones, use laptops, or grab their tablets, Afni's contact center teams are there to provide prompt and friendly help.” Source: RevenueBase Database · checked Sep 27, 2026
10	Fusion CX	Indirect evidence	Norcross, GA, United StatesHQ checked Sep 27, 2026	10001+	4,785 contacts →
	Indirect evidence “At Fusion CX, we revolutionize customer experience by blending innovative technology and human connection.” Source: RevenueBase Database · checked Sep 27, 2026
11	Call Center Services International	Strong evidence	San Diego, CA, United StatesHQ checked Sep 27, 2026	1,001-5,000	4,561 contacts →
	Strong evidence “CCSI specializes in high‑performance, cost‑efficient contact center solutions supported by a world‑class bilingual workforce and state‑of‑the‑art infrastructure in Mexico.” Source: RevenueBase Database · checked Sep 27, 2026
12	Continuum Global Solutions	Strong evidence	Dallas, TX, United StatesHQ checked Sep 27, 2026	5,001-10,000	4,342 contacts →
	Strong evidence “With a fresh name and decades of contact center expertise, we’re dedicated to collaborative partnerships, understanding your unique needs, and tailoring solutions for an enhanced…” Source: RevenueBase Database · checked Sep 27, 2026
13	Verint	Strong evidence	Melville, NY, United StatesHQ checked Sep 27, 2026	5,001-10,000	3,852 contacts →
	Strong evidence “Verint helps you deliver AI outcomes now to solve your most pressing CX automation challenges in the contact center and beyond.” Source: RevenueBase Database · checked Sep 27, 2026
14	Sercom	Strong evidence	Taboão Da Serra, BrazilHQ checked Sep 27, 2026	5,001-10,000	3,785 contacts →
	Strong evidence “Founded in 1993, since the beginning Sercom has stood out in the Contact Center Services.” Source: RevenueBase Database · checked Sep 27, 2026
15	Quadient	Strong evidence	Bagneux, FranceHQ checked Sep 27, 2026	1,001-5,000	3,472 contacts →
	Strong evidence “Quadient designs and builds human-centered, AI-driven automation solutions for business communications.” Source: RevenueBase Database · checked Sep 27, 2026
16	Teleperformance Global Services	Indirect evidence	Kolkata, IndiaHQ checked Sep 27, 2026	1,001-5,000	3,346 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 27, 2026
17	TMKT	Strong evidence	Poa, BrazilHQ checked Sep 27, 2026	5,001-10,000	3,333 contacts →
	Strong evidence “A TMKT é uma empresa de Contact Center que foi fundada em 1991 e se tornou uma referência no mercado de Customer Experience (CX).” Source: RevenueBase Database · checked Sep 27, 2026
18	Telvista	Partial evidence	Dallas, TX, United StatesHQ checked Sep 27, 2026	1,001-5,000	3,122 contacts →
	Partial evidence “Email: info@Telvista.com Telvista is a premier provider of contact solutions that drive customer loyalty and create competitive advantage for our clients.” Source: RevenueBase Database · checked Sep 27, 2026
19	EPX Eperformax Contact Centers	Strong evidence	Pasay City, PhilippinesHQ checked Sep 27, 2026	5,001-10,000	3,061 contacts →
	Strong 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
20	Etech Global Services	Indirect evidence	Nacogdoches, TX, United StatesHQ checked Sep 27, 2026	1,001-5,000	2,964 contacts →
	Indirect evidence “Etech Global Services delivers customer experience solutions and proprietary AI technology to Fortune 500 companies across telecommunications, healthcare, financial services, and…” Source: RevenueBase Database · checked Sep 27, 2026
21	VGX Contact Center	Indirect evidence	Montes Claros, BrazilHQ checked Sep 27, 2026	1,001-5,000	2,951 contacts →
	Indirect evidence “A VGX, é uma empresa 100% brasileira, com 13 anos de atuação e mais de 5.100 colaboradores, consolidada como referência em soluções de Customer Experience,Cobrança, Atendimento…” Source: RevenueBase Database · checked Sep 27, 2026
22	Advanced Call Center Technologies, LLC	Partial evidence	Berwyn, PA, United StatesHQ checked Sep 27, 2026	5,001-10,000	2,774 contacts →
	Partial 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
23	Five9	Indirect evidence	San Ramon, CA, United StatesHQ checked Sep 27, 2026	1,001-5,000	2,584 contacts →
	Indirect evidence “Five9 provides a comprehensive suite of CX solutions, powered by Five9 Genius AI, to elevate customer experiences that deliver better business outcomes in the era of The New CX.” Source: RevenueBase Database · checked Sep 27, 2026
24	8x8	Indirect evidence	Campbell, CA, United StatesHQ checked Sep 27, 2026	1,001-5,000	2,444 contacts →
	Indirect evidence “8x8, Inc.(NASDAQ: EGHT) believes that CX limits were meant to be shattered.” Source: RevenueBase Database · checked Sep 27, 2026
25	CAT Technologies Argentina	Strong evidence	Buenos Aires, ArgentinaHQ checked Sep 27, 2026	1,001-5,000	2,221 contacts →
	Strong 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

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: contact center automation 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 contact center automation services.
Partial evidence: Its own public description names part of contact center automation services, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name contact center automation 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 8,302 contact center automation services worldwide

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Contact center automation services worldwide at a glance

As of Sep 27, 2026

13.1%Verified-email coverage

54.9Average contacts per company

11-50Median size (employees)

1.7%Largest-city concentration · London

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

3,302

11-50

2,474

51-200

1,497

201-500

476

501-1,000

244

1,001-5,000

233

5,001-10,000

10001+

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 contact center automation 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.
Coverage: Every country. Country and city lists for contact center automation services are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “contact center automation 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 contact center automation 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 contact center automation services, 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, 59,652 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.

Contact center automation services by location

52 lists · largest first

Every Contact center automation services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 contact center automation 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 contact center automation services are there worldwide?

RevenueBase identified 8,302 contact center automation services 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?

Atento, headquartered in Madrid, tops this list with the largest team on record.

Which country has the most contact center automation services?

The United States leads with 1,471 companies, followed by India (625) and Brazil (405). Every contact center automation services list by country and city is linked on this page.

Which city has the most contact center automation services?

London leads with 143 headquartered companies, followed by Sao Paulo (132) and Toronto (66).

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 59,652 verified decision-maker contacts tracked across these 8,302 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.