Company lists · Data refreshed October 2026

Top 25 Call contact center software companies worldwide

RevenueBase identified 3,504 company matches for call contact center software companies worldwide as of October 2026 and tracks 184,388 professional contacts across them, including 27,562 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for call contact center software companies 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 October 1, 2026. Country and city lists for call contact center software companies 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 Oct 1, 2026 How this list was built
3,504Companies
184,388Contacts tracked
27,562Verified emails
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The 25 largest call contact center software companies worldwide

Ranked by team size
Top 25 of 3,504 company matches for call contact center software companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBelmont, CA, United StatesHQ recorded Oct 1, 20265,001-10,0006,431 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2Exact matchBeyoglu, TürkiyeHQ recorded Oct 1, 202610001+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 · Oct 1, 2026 · View company records in RevenueBase
3Exact matchBloomington, IL, United StatesHQ recorded Oct 1, 202610001+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 · Oct 1, 2026 · View company records in RevenueBase
4Exact matchDallas, TX, United StatesHQ recorded Oct 1, 20265,001-10,0004,342 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 · Oct 1, 2026 · View company records in RevenueBase
5Exact matchTaboão Da Serra, BrazilHQ recorded Oct 1, 20265,001-10,0003,785 contacts →

Exact match

“Founded in 1993, since the beginning Sercom has stood out in the Contact Center Services.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6Exact matchPoa, BrazilHQ recorded Oct 1, 20265,001-10,0003,333 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 · Oct 1, 2026 · View company records in RevenueBase
7Exact matchDallas, TX, United StatesHQ recorded Oct 1, 20261,001-5,0003,122 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 · Oct 1, 2026 · View company records in RevenueBase
8Exact matchAmman, JordanHQ recorded Oct 1, 20261,001-5,0003,071 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 · Oct 1, 2026 · View company records in RevenueBase
9Exact matchSalvador, BrazilHQ recorded Oct 1, 202610001+3,027 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 · Oct 1, 2026 · View company records in RevenueBase
10Exact matchMilan, ItalyHQ recorded Oct 1, 202610001+2,810 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11Exact matchCampbell, CA, United StatesHQ recorded Oct 1, 20261,001-5,0002,444 contacts →

Exact match

“8x8, Inc.(NASDAQ: EGHT) believes that CX limits were meant to be shattered.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12Exact matchBuenos Aires, ArgentinaHQ recorded Oct 1, 20261,001-5,0002,221 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 · Oct 1, 2026 · View company records in RevenueBase
13Exact matchGoiania, BrazilHQ recorded Oct 1, 20265,001-10,0002,176 contacts →

Exact match

“Somos a Tahto, uma empresa referência em soluções de CX e BPO.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14Exact matchSao Paulo, BrazilHQ recorded Oct 1, 202610001+2,114 contacts →

Exact match

“Com uma vontade contagiante de fazer a diferença, a Contax é a única empresa do setor presente em toda a jornada de relacionamento do consumidor, com olhar humano e abordagem…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15Exact matchMakati City, PhilippinesHQ recorded Oct 1, 202610001+1,990 contacts →

Exact match

“Sitel Philippines (formerly SYKES).”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16Exact matchAkron, OH, United StatesHQ recorded Oct 1, 20261,001-5,0001,764 contacts →

Exact match

“InfoCision is an award-winning contact center partner trusted by leading brands for over 40 years.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17Exact matchBoca Raton, FL, United StatesHQ recorded Oct 1, 20265,001-10,0001,741 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18Exact matchMahwah, NJ, United StatesHQ recorded Oct 1, 20261,001-5,0001,536 contacts →

Exact match

“DialAmerica is now Aucera.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Oct 1, 20261,001-5,0001,473 contacts →

Exact match

“Senture provides comprehensive contact center service support nationally.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20Exact matchDurban, South AfricaHQ recorded Oct 1, 20261,001-5,0001,453 contacts →

Exact match

“One voice – let us be your voice.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21Exact matchEl Paso, TX, United StatesHQ recorded Oct 1, 20261,001-5,0001,418 contacts →

Exact match

“DATAMARK Inc, a provider of omni-channel contact centers and business process outsourcing (BPO) services since 1989, employs more than at our facilities in the United States…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22Exact matchCuritiba, BrazilHQ recorded Oct 1, 20261,001-5,0001,312 contacts →

Exact match

“A dbm Contact Center foi fundada em 1996 e possui sede própria em Curitiba.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23Exact matchBarueri, BrazilHQ recorded Oct 1, 20261,001-5,0001,234 contacts →

Exact match

“A Parla!”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24Exact matchGuayaquil, EcuadorHQ recorded Oct 1, 20261,001-5,0001,225 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25Exact matchCórdoba, ArgentinaHQ recorded Oct 1, 20261,001-5,0001,092 contacts →

Exact match

“At Evoltis, we collaborate to improve every interaction with your customers, driving Innovation through our Contact Center & BPO and Technology Development services to achieve a…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase

Showing 25 of 3,504 call contact center software companies worldwide

See the full list, filter by size, metro and specialty, and access 27,562 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Call contact center software companies worldwide at a glance

As of Oct 1, 2026
14.9%Verified-email coverage
52.6Average contacts per company
11-50Median size (employees)
2.9%Largest-city concentration · Sao Paulo
Oct 1, 2026Page data refreshed

Companies by employee count

1-10
815
11-50
1,317
51-200
784
201-500
270
501-1,000
122
1,001-5,000
149
5,001-10,000
24
10001+
18

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 call contact center software companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “call contact center software companies” 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 27,562 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 October 1, 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.

Call contact center software companies by location

25 lists · largest first

Every Call contact center software companies 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 “call contact center software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many call contact center software companies are there worldwide?

RevenueBase identified 3,504 company matches for call contact center software companies worldwide as of October 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?

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

Which country has the most call contact center software companies?

The United States leads with 607 companies, followed by Brazil (276) and India (209). Every call contact center software companies list by country and city is linked on this page.

Which city has the most call contact center software companies?

Sao Paulo leads with 102 company records, followed by London (35) and Madrid (28).

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 27,562 professional contacts with verified work emails tracked across these 3,504 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 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 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.