Company lists · Data refreshed September 2026

Top 25 Contact center consulting firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 27, 2026 12,796 companies tracked

RevenueBase identified 12,796 company matches for contact center consulting firms worldwide as of September 2026 and tracks 628,946 professional contacts across them, including 62,554 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 firms 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 September 27, 2026. Country and city lists for contact center consulting firms 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 Sep 27, 2026 How this list was built

12,796Companies

628,946Contacts tracked

62,554Verified emails

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The 25 largest contact center consulting firms worldwide

Ranked by team size

Top 25 of 12,796 company matches for contact center consulting firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 Sep 27, 2026	10001+	47,558 contacts →
	Exact match “We’re passionate about creating customers for life by designing experiences that elevate your brand.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2	Sitel Group	Exact match	Miami, FL, United StatesHQ recorded Sep 27, 2026	10001+	35,365 contacts →
	Exact match “Foundever™ is a global leader in the customer experience (CX) industry.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3	Startek	Exact match	Denver, United StatesHQ recorded Sep 27, 2026	10001+	14,976 contacts →
	Exact match “A global customer experience (CX) management solutions provider, Startek® delivers best-in-class omnichannel CX, digital transformation and enterprise tech services for leading…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4	Intelcia	Exact match	Casablanca, MoroccoHQ recorded Sep 27, 2026	10001+	13,214 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5	Transcom	Exact match	Stockholm, SwedenHQ recorded Sep 27, 2026	10001+	12,955 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 · Sep 27, 2026 · View company records in RevenueBase
6	Turkcell Global Bilgi	Exact match	Beyoglu, TürkiyeHQ recorded Sep 27, 2026	10001+	6,167 contacts →
	Exact match “Bir Turkcell grup şirketi olarak yılında kurulduğumuzda amacımız hep eşsiz bir müşteri deneyimi yaşatmaktı.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7	Everise	Exact match	Plantation, FL, United StatesHQ recorded Sep 27, 2026	10001+	5,863 contacts →
	Exact match “Everise delivers happiness to millions of customers around the world.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8	Afni, INC	Exact match	Bloomington, IL, United StatesHQ recorded Sep 27, 2026	10001+	5,553 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 · Sep 27, 2026 · View company records in RevenueBase
9	Eficacia	Exact match	Cali, ColombiaHQ recorded Sep 27, 2026	10001+	4,692 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 · Sep 27, 2026 · View company records in RevenueBase
10	Call Center Services International	Exact match	San Diego, CA, United StatesHQ recorded Sep 27, 2026	1,001-5,000	4,561 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 · Sep 27, 2026 · View company records in RevenueBase
11	Apex America	Exact match	Córdoba, ArgentinaHQ recorded Sep 27, 2026	10001+	4,377 contacts →
	Exact match “At Apex America, we are a Next Generation BPO and a global strategic partner specialized in elevating customer service standards.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12	Continuum Global Solutions	Exact match	Dallas, TX, United StatesHQ recorded Sep 27, 2026	5,001-10,000	4,342 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 · Sep 27, 2026 · View company records in RevenueBase
13	Callink	Exact match	Uberlândia, BrazilHQ recorded Sep 27, 2026	5,001-10,000	4,126 contacts →
	Exact match “Mais que call center: soluções que transformam o seu negócio e a jornada dos clientes!” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14	SX Negócios	Exact match	Novo Hamburgo, BrazilHQ recorded Sep 27, 2026	5,001-10,000	4,020 contacts →
	Exact match “Somos a Pulse Client Experts, uma empresa em constante evolução, impulsionados pela vontade de fazer acontecer.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15	Raya CX	Exact match	Giza, EgyptHQ recorded Sep 27, 2026	5,001-10,000	3,989 contacts →
	Exact match “RAYA Customer Experience provides next-generation BPO and customer experience management on behalf of clients across various industries.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16	Vikstar Contact Center	Exact match	Sao Paulo, BrazilHQ recorded Sep 27, 2026	10001+	3,914 contacts →
	Exact match “Vikstar is one of the biggest contact centers of Brazil.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17	Harte Hanks	Exact match	Chelmsford, MA, United StatesHQ recorded Sep 27, 2026	1,001-5,000	3,901 contacts →
	Exact match “We are The Customer Company®, a global leader in Customer Experience (CX), Omnichannel Marketing, Data Services, Customer Care, Fulfillment, and Logistics.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18	Sercom	Exact match	Taboão Da Serra, BrazilHQ recorded Sep 27, 2026	5,001-10,000	3,785 contacts →
	Exact match “Founded in 1993, since the beginning Sercom has stood out in the Contact Center Services.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19	GSS Global Sales Solutions	Exact match	Madrid, SpainHQ recorded Sep 27, 2026	10001+	3,716 contacts →
	Exact match “is a tech company specialized in providing, and for.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20	Merchants	Exact match	Johannesburg, South AfricaHQ recorded Sep 27, 2026	5,001-10,000	3,654 contacts →
	Exact match “Merchants is a leading customer management partner specialising in business process outsourcing (BPO) that delivers customer experience and customer interactions.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21	Armatis	Exact match	Paris, FranceHQ recorded Sep 27, 2026	5,001-10,000	3,545 contacts →
	Exact match “For 40 years, Armatis, European expert in customer relationship and process outsourcing, has been transforming brands' ambitions into tangible and measurable results.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22	Teleperformance Global Services	Exact match	Kolkata, IndiaHQ recorded Sep 27, 2026	1,001-5,000	3,346 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23	TMKT	Exact match	Poa, BrazilHQ recorded Sep 27, 2026	5,001-10,000	3,333 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 · Sep 27, 2026 · View company records in RevenueBase
24	Probe CX	Exact match	Melbourne, AustraliaHQ recorded Sep 27, 2026	10001+	3,316 contacts →
	Exact match “Probe CX is a global customer experience organisation focused on creating environments where digitally-enabled CX thrives.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25	Quantrics Enterprises INC	Exact match	Taytay, PhilippinesHQ recorded Sep 27, 2026	5,001-10,000	3,132 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 · Sep 27, 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 firms”. 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 12,796 contact center consulting firms worldwide

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Contact center consulting firms worldwide at a glance

As of Sep 27, 2026

9.9%Verified-email coverage

49.2Average contacts per company

11-50Median size (employees)

1.8%Largest-city concentration · Sao Paulo

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

5,594

11-50

3,482

51-200

2,090

201-500

763

501-1,000

372

1,001-5,000

354

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 firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “contact center consulting firms” 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 62,554 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 September 27, 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 firms by location

77 lists · largest first

Every Contact center consulting firms 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 firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many contact center consulting firms are there worldwide?

RevenueBase identified 12,796 company matches for contact center consulting firms worldwide as of September 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 firms?

The United States leads with 2,543 companies, followed by India (730) and Brazil (662). Every contact center consulting firms list by country and city is linked on this page.

Which city has the most contact center consulting firms?

Sao Paulo leads with 236 company records, followed by London (171) and Paris (115).

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 62,554 professional contacts with verified work emails tracked across these 12,796 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 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 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.