Company lists · Data refreshed November 2026

Top 25 Contact center consulting services worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 8,901 companies tracked

RevenueBase identified 8,901 company matches for contact center consulting services worldwide as of November 2026 and tracks 432,175 professional contacts across them, including 41,568 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for contact center consulting services worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 5, 2026. Country and city lists for contact center consulting services follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built

8,901Companies

432,175Contacts tracked

41,568Verified emails

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The 25 largest contact center consulting services worldwide

Ranked by team size

Top 25 of 8,901 company matches for contact center consulting services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Alorica	Exact match	Irvine, CA, United StatesHQ recorded Nov 5, 2026	10001+	56,404 contacts →
	Exact match “We’re passionate about creating customers for life by designing experiences that elevate your brand.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	Transcom	Exact match	Stockholm, SwedenHQ recorded Nov 5, 2026	10001+	15,323 contacts →
	Exact match “Transcom provides digitally enhanced customer experience (CX) services to some of the world's most ambitious brands.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3	Turkcell Global Bilgi	Exact match	Beyoglu, TürkiyeHQ recorded Nov 5, 2026	10001+	6,889 contacts →
	Exact match “Bir Turkcell grup şirketi olarak yılında kurulduğumuzda amacımız hep eşsiz bir müşteri deneyimi yaşatmaktı.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4	Afni, INC	Exact match	Bloomington, United StatesHQ recorded Nov 5, 2026	10001+	6,716 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5	Eficacia	Exact match	Cali, ColombiaHQ recorded Nov 5, 2026	10001+	5,573 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	Callink	Exact match	Uberlândia, BrazilHQ recorded Nov 5, 2026	5,001-10,000	4,874 contacts →
	Exact match “Mais que call center: soluções que transformam o seu negócio e a jornada dos clientes!” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	Call Center Services International	Exact match	San Diego, United StatesHQ recorded Nov 5, 2026	1,001-5,000	4,858 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	Continuum Global Solutions	Exact match	Dallas, TX, United StatesHQ recorded Nov 5, 2026	5,001-10,000	4,798 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	Vikstar Contact Center	Exact match	Sao Paulo, BrazilHQ recorded Nov 5, 2026	10001+	4,363 contacts →
	Exact match “Vikstar is one of the biggest contact centers of Brazil.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	Sercom	Exact match	Taboão Da Serra, BrazilHQ recorded Nov 5, 2026	5,001-10,000	4,283 contacts →
	Exact match “Founded in 1993, since the beginning Sercom has stood out in the Contact Center Services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	Teleperformance Global Services	Exact match	Kolkata, IndiaHQ recorded Nov 5, 2026	1,001-5,000	4,105 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12	EPX Eperformax Contact Centers	Exact match	Pasay City, PhilippinesHQ recorded Nov 5, 2026	5,001-10,000	3,904 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	TMKT	Exact match	Poa, BrazilHQ recorded Nov 5, 2026	5,001-10,000	3,730 contacts →
	Exact match “A TMKT é uma empresa de Contact Center que foi fundada em 1991 e se tornou uma referência no mercado de Customer Experience (CX).” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	Quantrics Enterprises INC	Exact match	Taytay, PhilippinesHQ recorded Nov 5, 2026	5,001-10,000	3,611 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	Telvista	Exact match	Dallas, TX, United StatesHQ recorded Nov 5, 2026	1,001-5,000	3,517 contacts →
	Exact match “Email: info@Telvista.com Telvista is a premier provider of contact solutions that drive customer loyalty and create competitive advantage for our clients.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	Extensya	Exact match	Amman, JordanHQ recorded Nov 5, 2026	1,001-5,000	3,426 contacts →
	Exact match “Extensya is a company that primarily specializes in contact management solutions and business process outsourcing services, with a network of fully equipped contact centers in…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	VGX Contact Center	Exact match	Montes Claros, BrazilHQ recorded Nov 5, 2026	1,001-5,000	3,262 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	Advanced Call Center Technologies, LLC	Exact match	Berwyn, PA, United StatesHQ recorded Nov 5, 2026	5,001-10,000	3,116 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	Nexa BPO	Exact match	Bogotá D.c, ColombiaHQ recorded Nov 5, 2026	5,001-10,000	2,895 contacts →
	Exact match “Más que un contact center y BPO, somos el partner que asegura que la experiencia de tus clientes sea increíble.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	Emergia Contact Center	Exact match	Barcelona, SpainHQ recorded Nov 5, 2026	5,001-10,000	2,814 contacts →
	Exact match “Emergia is a multinational company specialized in the comprehensive customer relationship management in the field of Interactive Contact Center, the business process outsourcing…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	TAHTO	Exact match	Goiânia, BrazilHQ recorded Nov 5, 2026	10001+	2,741 contacts →
	Exact match “Com 19 anos de experiência em CX e BPO, somos consultivos e entregamos soluções personalizadas que conectam pessoas e tecnologia para impulsionar seus resultados.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	CAT Technologies Argentina	Exact match	Buenos Aires, FL, ArgentinaHQ recorded Nov 5, 2026	1,001-5,000	2,460 contacts →
	Exact match “Somos la compañía líder en Servicios Next Gen de Contact Center, Business Process Outsourcing (BPO) y Customer Experience (CX).” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	TEL Contact Center	Exact match	Salvador, BrazilHQ recorded Nov 5, 2026	10001+	2,447 contacts →
	Exact match “Entre as 7 principais empresas de Gestão do Relacionamento com Cliente (CRM) do Brasil, há 30 anos a Tel inova no desenvolvimento de soluções customizadas, de alto valor, com um…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	Transcosmos INC	Exact match	Toshima-ku, JapanHQ recorded Nov 5, 2026	10001+	2,294 contacts →
	Exact match “transcosmos launched its operations in 1966.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Support Services Group	Exact match	Waco, United StatesHQ recorded Nov 5, 2026	5,001-10,000	2,055 contacts →
	Exact match “Support Services Group (SSG) helps businesses accelerate growth and earn customers for life through high-touch, outsourced engagement center services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “contact center consulting services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 8,901 contact center consulting services worldwide

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Contact center consulting services worldwide at a glance

As of Nov 5, 2026

9.6%Verified-email coverage

48.6Average contacts per company

11-50Median size (employees)

1.5%Largest-city concentration · Sao Paulo

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

3,010

11-50

2,661

51-200

1,815

201-500

685

501-1,000

320

1,001-5,000

278

5,001-10,000

10001+

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for contact center consulting services are linked below.
What qualifies: Company records worldwide whose business descriptions match “contact center consulting services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 41,568 professional contacts with verified work emails across the full matched dataset. 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 November 5, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Contact center consulting services by location

67 lists · largest first

Every Contact center consulting 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 SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “contact center consulting services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many contact center consulting services are there worldwide?

RevenueBase identified 8,901 company matches for contact center consulting services worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Alorica tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most contact center consulting services?

The United States leads with 1,535 companies, followed by India (539) and Brazil (399). Every contact center consulting services list by country and city is linked on this page.

Which city has the most contact center consulting services?

Sao Paulo leads with 136 company records, followed by London (103) and Lahore (82).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 41,568 professional contacts with verified work emails tracked across these 8,901 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 5, 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 SmartSearch, 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.