Company lists · Data refreshed October 2026

Top 25 Contact center consulting providers worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 12,137 companies tracked

RevenueBase identified 12,137 contact center consulting providers worldwide as of October 2026 and tracks 593,740 professional contacts across them, including 65,941 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers contact center consulting providers 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 October 1, 2026. Country and city lists for contact center consulting providers 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 Oct 1, 2026 86% judged on-target in blind review

12,137Companies

593,740Contacts tracked

65,941Verified emails

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The 25 largest contact center consulting providers worldwide

Ranked by team size

Top 25 of 12,137 contact center consulting providers worldwide, ranked by team size, largest first. Data refreshed Oct 1, 2026. RevenueBase Smart Search rates how each company's information relates to contact center consulting providers: 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	Alorica	Indirect evidence	Irvine, CA, United StatesHQ checked Oct 1, 2026	10001+	47,558 contacts →
	Indirect evidence “We’re passionate about creating customers for life by designing experiences that elevate your brand.” Source: RevenueBase Database · checked Oct 1, 2026
2	Foundever	Indirect evidence	Miami, FL, United StatesHQ checked Oct 1, 2026	10001+	30,990 contacts →
	Indirect evidence “Foundever® is the next-generation service leader reinventing customer experience (CX).” Source: RevenueBase Database · checked Oct 1, 2026
3	AEC	Indirect evidence	Belo Horizonte, BrazilHQ checked Oct 1, 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 Oct 1, 2026
4	IQOR	Indirect evidence	Fort Lauderdale, FL, United StatesHQ checked Oct 1, 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 Oct 1, 2026
5	Startek	Indirect evidence	Denver, United StatesHQ checked Oct 1, 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 Oct 1, 2026
6	Intelcia	Indirect evidence	Casablanca, MoroccoHQ checked Oct 1, 2026	10001+	13,214 contacts →
	Indirect evidence “Intelcia is a global player in outsourcing, which has supported its clients for 20 years combining talents, technologies, and processes to offer a tailor-made service and skills…” Source: RevenueBase Database · checked Oct 1, 2026
7	Turkcell Global Bilgi	Indirect evidence	Beyoglu, TürkiyeHQ checked Oct 1, 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 Oct 1, 2026
8	Afni, INC	Strong evidence	Bloomington, IL, United StatesHQ checked Oct 1, 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 Oct 1, 2026
9	Fusion CX	Indirect evidence	Norcross, GA, United StatesHQ checked Oct 1, 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 Oct 1, 2026
10	Eficacia	Indirect evidence	Cali, ColombiaHQ checked Oct 1, 2026	10001+	4,692 contacts →
	Indirect evidence “Incrementamos la productividad y eficiencia de nuestros clientes- Más de 40 años de experiencia en el mercado- Líderes en Soluciones de Mercadeo, Trade Marketing, Ventas y Gestión…” Source: RevenueBase Database · checked Oct 1, 2026
11	Call Center Services International	Strong evidence	San Diego, CA, United StatesHQ checked Oct 1, 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 Oct 1, 2026
12	Apex America	Indirect evidence	Córdoba, ArgentinaHQ checked Oct 1, 2026	10001+	4,377 contacts →
	Indirect evidence “At Apex America, we are a Next Generation BPO and a global strategic partner specialized in elevating customer service standards.” Source: RevenueBase Database · checked Oct 1, 2026
13	Continuum Global Solutions	Strong evidence	Dallas, TX, United StatesHQ checked Oct 1, 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 Oct 1, 2026
14	Callink	Partial evidence	Uberlândia, BrazilHQ checked Oct 1, 2026	5,001-10,000	4,126 contacts →
	Partial evidence “Mais que call center: soluções que transformam o seu negócio e a jornada dos clientes!” Source: RevenueBase Database · checked Oct 1, 2026
15	SX Negócios	Indirect evidence	Novo Hamburgo, BrazilHQ checked Oct 1, 2026	5,001-10,000	4,020 contacts →
	Indirect evidence “Somos a Pulse Client Experts, uma empresa em constante evolução, impulsionados pela vontade de fazer acontecer.” Source: RevenueBase Database · checked Oct 1, 2026
16	Raya CX	Indirect evidence	Giza, EgyptHQ checked Oct 1, 2026	5,001-10,000	3,989 contacts →
	Indirect evidence “RAYA Customer Experience provides next-generation BPO and customer experience management on behalf of clients across various industries.” Source: RevenueBase Database · checked Oct 1, 2026
17	Vikstar Contact Center	Strong evidence	Sao Paulo, BrazilHQ checked Oct 1, 2026	10001+	3,914 contacts →
	Strong evidence “Vikstar is one of the biggest contact centers of Brazil.” Source: RevenueBase Database · checked Oct 1, 2026
18	Harte Hanks	Indirect evidence	Chelmsford, MA, United StatesHQ checked Oct 1, 2026	1,001-5,000	3,901 contacts →
	Indirect evidence “We are The Customer Company®, a global leader in Customer Experience (CX), Omnichannel Marketing, Data Services, Customer Care, Fulfillment, and Logistics.” Source: RevenueBase Database · checked Oct 1, 2026
19	Sercom	Strong evidence	Taboão Da Serra, BrazilHQ checked Oct 1, 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 Oct 1, 2026
20	GSS Global Sales Solutions	Indirect evidence	Madrid, SpainHQ checked Oct 1, 2026	10001+	3,716 contacts →
	Indirect evidence “is a tech company specialized in providing, and for.” Source: RevenueBase Database · checked Oct 1, 2026
21	Armatis	Indirect evidence	Paris, FranceHQ checked Oct 1, 2026	5,001-10,000	3,545 contacts →
	Indirect evidence “For 40 years, Armatis, European expert in customer relationship and process outsourcing, has been transforming brands' ambitions into tangible and measurable results.” Source: RevenueBase Database · checked Oct 1, 2026
22	Teleperformance Global Services	Indirect evidence	Kolkata, IndiaHQ checked Oct 1, 2026	1,001-5,000	3,346 contacts →
	Indirect evidence Source: RevenueBase Database · checked Oct 1, 2026
23	TMKT	Strong evidence	Poa, BrazilHQ checked Oct 1, 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 Oct 1, 2026
24	Quantrics Enterprises INC	Indirect evidence	Taytay, PhilippinesHQ checked Oct 1, 2026	5,001-10,000	3,132 contacts →
	Indirect evidence “In the Philippines, Quantrics by NQX is redefining customer experience by bringing together the expertise of a global leader and the passion of world-class Filipino talent.” Source: RevenueBase Database · checked Oct 1, 2026
25	Telvista	Partial evidence	Dallas, TX, United StatesHQ checked Oct 1, 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 Oct 1, 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 consulting providers. 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 consulting providers.
Partial evidence: Its own public description names part of contact center consulting providers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name contact center consulting providers. 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 12,137 contact center consulting providers worldwide

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Contact center consulting providers worldwide at a glance

As of Oct 1, 2026

11.1%Verified-email coverage

48.9Average contacts per company

11-50Median size (employees)

1.6%Largest-city concentration · Sao Paulo

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

4,724

11-50

3,570

51-200

2,171

201-500

809

501-1,000

373

1,001-5,000

358

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 consulting providers, 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 consulting providers are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “contact center consulting providers”. 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 consulting providers), 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 consulting providers, 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, 65,941 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 October 1, 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 consulting providers by location

87 lists · largest first

Every Contact center consulting providers 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 consulting providers, 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 consulting providers are there worldwide?

RevenueBase identified 12,137 contact center consulting providers worldwide as of October 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?

Alorica, headquartered in Irvine, tops this list with the largest team on record.

Which country has the most contact center consulting providers?

The United States leads with 2,390 companies, followed by India (835) and Brazil (608). Every contact center consulting providers list by country and city is linked on this page.

Which city has the most contact center consulting providers?

Sao Paulo leads with 199 headquartered companies, followed by London (131) and Bangalore (86).

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 65,941 verified decision-maker contacts tracked across these 12,137 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 1, 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.