Company lists · Data refreshed November 2026
Top 25 Virtual call center services worldwide
RevenueBase identified 7,291 company matches for virtual call center services worldwide as of November 2026 and tracks 543,782 professional contacts across them, including 51,611 with verified work emails. The United States is the largest market and Lahore the largest hub.
This list covers company matches for virtual call center 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 virtual call center 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.
The 25 largest virtual call center services worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 37,107 contacts → | ||||
Exact match “Foundever® is the next-generation service leader reinventing customer experience (CX).” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 2 | 30,312 contacts → | ||||
Exact match “We’re TTEC (pronounced t.tec).” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 3 | 28,482 contacts → | ||||
Exact match “Konecta is a leading innovative global service provider in customer management business process outsourcing, with passionate employees working in 40 languages across 4 continents…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 17,251 contacts → | ||||
Exact match “About VXI Global Solutions VXI Global Solutions is a BPO leader in customer service, customer experience, and digital solutions.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 5 | 16,728 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 6 | 10,448 contacts → | ||||
Exact match “We're KONECTA now!” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 7 | 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 | |||||
| 8 | 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 | |||||
| 9 | 6,207 contacts → | ||||
Exact match “Maximizamos el valor de cada contacto de las empresas con sus clientes, gestionando los procesos de relacionamiento a través de canales tefónicos, virtuales y presenciales.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 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 | |||||
| 11 | 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 | |||||
| 12 | 4,355 contacts → | ||||
Exact match “is a tech company specialized in providing, and for.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 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 | |||||
| 14 | 4,105 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 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 | |||||
| 16 | 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 | |||||
| 17 | 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 | |||||
| 18 | 3,349 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 3,230 contacts → | ||||
Exact match “Stream Global Services is a premium business process outsource (BPO) service provider specializing in customer relationship management solutions including sales, customer care…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 3,221 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 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 | |||||
| 22 | 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 | |||||
| 23 | 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 | |||||
| 24 | 2,389 contacts → | ||||
Exact match “Somos a Tahto, uma empresa referência em soluções de CX e BPO.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 25 | 2,377 contacts → | ||||
Exact match “OneLink is the premier partner in outsourced omnichannel customer experience 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 “virtual call center 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 7,291 virtual call center services worldwide
See the full list, filter by size, metro and specialty, and access 51,611 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Virtual call center services worldwide at a glance
As of Nov 5, 2026Companies by employee count
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 virtual call center services are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “virtual call center 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 51,611 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.
Virtual call center services by location
35 lists · largest firstEvery Virtual call center services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Virtual call center services based in the United States1,316
- Virtual call center services based in India520
- Virtual call center services based in Pakistan438
- Virtual call center services based in the Philippines315
- Virtual call center services based in the United Kingdom282
- Virtual call center services based in Brazil207
- Virtual call center services based in Canada157
- Virtual call center services based in France155
- Virtual call center services based in Italy146
- Virtual call center services based in Germany139
- Virtual call center services based in Mexico121
- Virtual call center services based in Spain115
- Virtual call center services based in the Netherlands96
- Virtual call center services based in South Africa89
- Virtual call center services based in Türkiye85
- Virtual call center services based in Colombia84
- Virtual call center services based in Egypt84
- Virtual call center services based in Poland54
- Virtual call center services based in Argentina53
- Virtual call center services based in Australia49
- Virtual call center services based in Tunisia47
- Virtual call center services based in the Dominican Republic42
- Virtual call center services based in Israel38
- Virtual call center services based in Belgium37
- Virtual call center services based in Chile37
- Virtual call center services based in Ireland28
- Virtual call center services based in Jamaica26
Cities
- Virtual call center services based in London, United Kingdom69
- Virtual call center services based in Sao Paulo, Brazil67
- Virtual call center services based in Noida, India51
- Virtual call center services based in New York, United States44
- Virtual call center services based in Houston, United States32
- Virtual call center services based in Miami, United States32
- Virtual call center services based in Toronto, Canada31
- Virtual call center services based in Istanbul, Türkiye26
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 “virtual call center services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many virtual call center services are there worldwide?
RevenueBase identified 7,291 company matches for virtual call center 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?
Foundever tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most virtual call center services?
The United States leads with 1,316 companies, followed by India (520) and Pakistan (438). Every virtual call center services list by country and city is linked on this page.
Which city has the most virtual call center services?
Lahore leads with 146 company records, followed by Rawalpindi (94) and London (73).
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 51,611 professional contacts with verified work emails tracked across these 7,291 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.
More company lists
Company intelligence · public preview
Top 25 virtual call center services worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 7,291 matching company records for virtual call center services worldwide, with 543,782 tracked contacts and 51,611 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 5, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 virtual call center services worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Foundeverfoundever.comHQ: Miami, FL, United StatesReported employees: 10001+ | Miami, FL, United States | 10001+ | Exact match | 37,107 contacts → |
“Foundever® is the next-generation service leader reinventing customer experience (CX).” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  TTECttec.comHQ: Austin, TX, United StatesReported employees: 10001+ | Austin, TX, United States | 10001+ | Exact match | 30,312 contacts → |
“We’re TTEC (pronounced t.tec).” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Konectakonecta.comHQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 28,482 contacts → |
“Konecta is a leading innovative global service provider in customer management business process outsourcing, with passionate employees working in 40 languages across 4 continents…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  VXI Global Solutionsvxi.comHQ: Los Angeles, United StatesReported employees: 10001+ | Los Angeles, United States | 10001+ | Exact match | 17,251 contacts → |
“About VXI Global Solutions VXI Global Solutions is a BPO leader in customer service, customer experience, and digital solutions.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Startekstartek.comHQ: Denver, United StatesReported employees: 10001+ | Denver, United States | 10001+ | Exact match | 16,728 contacts → |
“A global customer experience (CX) management solutions provider, Startek® delivers best-in-class omnichannel CX, digital transformation and enterprise tech services for leading…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Comdata Groupkonecta-group.comHQ: Corsico, ItalyReported employees: 10001+ | Corsico, Italy | 10001+ | Exact match | 10,448 contacts → |
“We're KONECTA now!” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Turkcell Global Bilgiglobalbilgi.com.trHQ: Beyoglu, TürkiyeReported employees: 10001+ | Beyoglu, Türkiye | 10001+ | Exact match | 6,889 contacts → |
“Bir Turkcell grup şirketi olarak yılında kurulduğumuzda amacımız hep eşsiz bir müşteri deneyimi yaşatmaktı.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Afni, INCafni.comHQ: Bloomington, United StatesReported employees: 10001+ | Bloomington, United States | 10001+ | Exact match | 6,716 contacts → |
“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 description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Emtelco S.Aemtelco.com.coHQ: Medellín, ColombiaReported employees: 10001+ | Medellín, Colombia | 10001+ | Exact match | 6,207 contacts → |
“Maximizamos el valor de cada contacto de las empresas con sus clientes, gestionando los procesos de relacionamiento a través de canales tefónicos, virtuales y presenciales.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Continuum Global Solutionscontinuumgbl.comHQ: Dallas, TX, United StatesReported employees: 5,001-10,000 | Dallas, TX, United States | 5,001-10,000 | Exact match | 4,798 contacts → |
“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 description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Vikstar Contact Centervikstar.com.brHQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 4,363 contacts → |
“Vikstar is one of the biggest contact centers of Brazil.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  GSS Global Sales Solutionscovisian.comHQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 4,355 contacts → |
“is a tech company specialized in providing, and for.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Sercomsercom.com.brHQ: Taboão Da Serra, BrazilReported employees: 5,001-10,000 | Taboão Da Serra, Brazil | 5,001-10,000 | Exact match | 4,283 contacts → |
“Founded in 1993, since the beginning Sercom has stood out in the Contact Center Services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Teleperformance Global Servicesteleperformancecareers.com HQ: Kolkata, IndiaReported employees: 1,001-5,000 | Kolkata, India | 1,001-5,000 | Exact match | 4,105 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 |  EPX Eperformax Contact Centerseperformax.comHQ: Pasay City, PhilippinesReported employees: 5,001-10,000 | Pasay City, Philippines | 5,001-10,000 | Exact match | 3,904 contacts → |
“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 description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Quantrics Enterprises INCquantrics.comHQ: Taytay, PhilippinesReported employees: 5,001-10,000 | Taytay, Philippines | 5,001-10,000 | Exact match | 3,611 contacts → |
“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 description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Telvistatelvista.comHQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 3,517 contacts → |
“Email: info@Telvista.com Telvista is a premier provider of contact solutions that drive customer loyalty and create competitive advantage for our clients.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Contax S.Acontax.com.brHQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 3,349 contacts → |
“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 description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Stream Global Servicesstream.comHQ: Eagan, BC, United StatesReported employees: 10001+ | Eagan, BC, United States | 10001+ | Exact match | 3,230 contacts → |
“Stream Global Services is a premium business process outsource (BPO) service provider specializing in customer relationship management solutions including sales, customer care…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Brasil Center Comunicaçõesbrasilcenter.com.br HQ: HQ not recordedReported employees: 5,001-10,000 | HQ not recorded | 5,001-10,000 | Exact match | 3,221 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 |  Advanced Call Center Technologies, LLCacttoday.comHQ: Berwyn, PA, United StatesReported employees: 5,001-10,000 | Berwyn, PA, United States | 5,001-10,000 | Exact match | 3,116 contacts → |
“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 description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Emergia Contact Centeremergiacc.comHQ: Barcelona, SpainReported employees: 5,001-10,000 | Barcelona, Spain | 5,001-10,000 | Exact match | 2,814 contacts → |
“Emergia is a multinational company specialized in the comprehensive customer relationship management in the field of Interactive Contact Center, the business process outsourcing…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  CAT Technologies Argentinacat-technologies.comHQ: Buenos Aires, FL, ArgentinaReported employees: 1,001-5,000 | Buenos Aires, FL, Argentina | 1,001-5,000 | Exact match | 2,460 contacts → |
“Somos la compañía líder en Servicios Next Gen de Contact Center, Business Process Outsourcing (BPO) y Customer Experience (CX).” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Vemsertahtotahto.com.brHQ: Goiania, BrazilReported employees: 5,001-10,000 | Goiania, Brazil | 5,001-10,000 | Exact match | 2,389 contacts → |
“Somos a Tahto, uma empresa referência em soluções de CX e BPO.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Webhelp Onelinkwebhelp.comHQ: Medellin, United StatesReported employees: 10001+ | Medellin, United States | 10001+ | Exact match | 2,377 contacts → |
“OneLink is the premier partner in outsourced omnichannel customer experience services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 7,291 company matches
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Virtual call center services: dataset insights
November 5, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
7,246 records in the displayed employee bands.
45 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 7,291 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 5, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Virtual call center services by location
35 lists · largest firstEvery Virtual call center services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Virtual call center services based in the United States1,316
- Virtual call center services based in India520
- Virtual call center services based in Pakistan438
- Virtual call center services based in the Philippines315
- Virtual call center services based in the United Kingdom282
- Virtual call center services based in Brazil207
- Virtual call center services based in Canada157
- Virtual call center services based in France155
- Virtual call center services based in Italy146
- Virtual call center services based in Germany139
- Virtual call center services based in Mexico121
- Virtual call center services based in Spain115
- Virtual call center services based in the Netherlands96
- Virtual call center services based in South Africa89
- Virtual call center services based in Türkiye85
- Virtual call center services based in Colombia84
- Virtual call center services based in Egypt84
- Virtual call center services based in Poland54
- Virtual call center services based in Argentina53
- Virtual call center services based in Australia49
- Virtual call center services based in Tunisia47
- Virtual call center services based in the Dominican Republic42
- Virtual call center services based in Israel38
- Virtual call center services based in Belgium37
- Virtual call center services based in Chile37
- Virtual call center services based in Ireland28
- Virtual call center services based in Jamaica26
Cities
- Virtual call center services based in London, United Kingdom69
- Virtual call center services based in Sao Paulo, Brazil67
- Virtual call center services based in Noida, India51
- Virtual call center services based in New York, United States44
- Virtual call center services based in Houston, United States32
- Virtual call center services based in Miami, United States32
- Virtual call center services based in Toronto, Canada31
- Virtual call center services based in Istanbul, Türkiye26
Questions about this company list
What does Exact match mean for virtual call center services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many virtual call center services did RevenueBase find worldwide?
The saved snapshot records 7,291 matching company records, 543,782 tracked contacts and 51,611 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 5, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 virtual call center services worldwide. Snapshot: November 5, 2026. https://revenuebase.ai/companies/browse/virtual-call-center-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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Company intelligence · public preview
Top 25 virtual call center services worldwide
RevenueBase records 7,291 matching company records for virtual call center services worldwide, with 543,782 tracked contacts and 51,611 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 5, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 virtual call center services worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Foundeverfoundever.com HQ: Miami, FL, United StatesReported employees: 10001+ | Miami, FL, United States | 10001+ | Exact match | 37,107 contacts → |
“Foundever® is the next-generation service leader reinventing customer experience (CX).” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | TTECttec.com HQ: Austin, TX, United StatesReported employees: 10001+ | Austin, TX, United States | 10001+ | Exact match | 30,312 contacts → |
“We’re TTEC (pronounced t.tec).” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Konectakonecta.com HQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 28,482 contacts → |
“Konecta is a leading innovative global service provider in customer management business process outsourcing, with passionate employees working in 40 languages across 4 continents…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | VXI Global Solutionsvxi.com HQ: Los Angeles, United StatesReported employees: 10001+ | Los Angeles, United States | 10001+ | Exact match | 17,251 contacts → |
“About VXI Global Solutions VXI Global Solutions is a BPO leader in customer service, customer experience, and digital solutions.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Startekstartek.com HQ: Denver, United StatesReported employees: 10001+ | Denver, United States | 10001+ | Exact match | 16,728 contacts → |
“A global customer experience (CX) management solutions provider, Startek® delivers best-in-class omnichannel CX, digital transformation and enterprise tech services for leading…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Comdata Groupkonecta-group.com HQ: Corsico, ItalyReported employees: 10001+ | Corsico, Italy | 10001+ | Exact match | 10,448 contacts → |
“We're KONECTA now!” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Turkcell Global Bilgiglobalbilgi.com.tr HQ: Beyoglu, TürkiyeReported employees: 10001+ | Beyoglu, Türkiye | 10001+ | Exact match | 6,889 contacts → |
“Bir Turkcell grup şirketi olarak yılında kurulduğumuzda amacımız hep eşsiz bir müşteri deneyimi yaşatmaktı.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Afni, INCafni.com HQ: Bloomington, United StatesReported employees: 10001+ | Bloomington, United States | 10001+ | Exact match | 6,716 contacts → |
“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 description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Emtelco S.Aemtelco.com.co HQ: Medellín, ColombiaReported employees: 10001+ | Medellín, Colombia | 10001+ | Exact match | 6,207 contacts → |
“Maximizamos el valor de cada contacto de las empresas con sus clientes, gestionando los procesos de relacionamiento a través de canales tefónicos, virtuales y presenciales.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Continuum Global Solutionscontinuumgbl.com HQ: Dallas, TX, United StatesReported employees: 5,001-10,000 | Dallas, TX, United States | 5,001-10,000 | Exact match | 4,798 contacts → |
“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 description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Vikstar Contact Centervikstar.com.br HQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 4,363 contacts → |
“Vikstar is one of the biggest contact centers of Brazil.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | GSS Global Sales Solutionscovisian.com HQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 4,355 contacts → |
“is a tech company specialized in providing, and for.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Sercomsercom.com.br HQ: Taboão Da Serra, BrazilReported employees: 5,001-10,000 | Taboão Da Serra, Brazil | 5,001-10,000 | Exact match | 4,283 contacts → |
“Founded in 1993, since the beginning Sercom has stood out in the Contact Center Services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Teleperformance Global Servicesteleperformancecareers.com HQ: Kolkata, IndiaReported employees: 1,001-5,000 | Kolkata, India | 1,001-5,000 | Exact match | 4,105 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | EPX Eperformax Contact Centerseperformax.com HQ: Pasay City, PhilippinesReported employees: 5,001-10,000 | Pasay City, Philippines | 5,001-10,000 | Exact match | 3,904 contacts → |
“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 description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Quantrics Enterprises INCquantrics.com HQ: Taytay, PhilippinesReported employees: 5,001-10,000 | Taytay, Philippines | 5,001-10,000 | Exact match | 3,611 contacts → |
“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 description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Telvistatelvista.com HQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 3,517 contacts → |
“Email: info@Telvista.com Telvista is a premier provider of contact solutions that drive customer loyalty and create competitive advantage for our clients.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Contax S.Acontax.com.br HQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 3,349 contacts → |
“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 description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Stream Global Servicesstream.com HQ: Eagan, BC, United StatesReported employees: 10001+ | Eagan, BC, United States | 10001+ | Exact match | 3,230 contacts → |
“Stream Global Services is a premium business process outsource (BPO) service provider specializing in customer relationship management solutions including sales, customer care…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Brasil Center Comunicaçõesbrasilcenter.com.br HQ: HQ not recordedReported employees: 5,001-10,000 | HQ not recorded | 5,001-10,000 | Exact match | 3,221 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Advanced Call Center Technologies, LLCacttoday.com HQ: Berwyn, PA, United StatesReported employees: 5,001-10,000 | Berwyn, PA, United States | 5,001-10,000 | Exact match | 3,116 contacts → |
“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 description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Emergia Contact Centeremergiacc.com HQ: Barcelona, SpainReported employees: 5,001-10,000 | Barcelona, Spain | 5,001-10,000 | Exact match | 2,814 contacts → |
“Emergia is a multinational company specialized in the comprehensive customer relationship management in the field of Interactive Contact Center, the business process outsourcing…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | CAT Technologies Argentinacat-technologies.com HQ: Buenos Aires, FL, ArgentinaReported employees: 1,001-5,000 | Buenos Aires, FL, Argentina | 1,001-5,000 | Exact match | 2,460 contacts → |
“Somos la compañía líder en Servicios Next Gen de Contact Center, Business Process Outsourcing (BPO) y Customer Experience (CX).” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Vemsertahtotahto.com.br HQ: Goiania, BrazilReported employees: 5,001-10,000 | Goiania, Brazil | 5,001-10,000 | Exact match | 2,389 contacts → |
“Somos a Tahto, uma empresa referência em soluções de CX e BPO.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Webhelp Onelinkwebhelp.com HQ: Medellin, United StatesReported employees: 10001+ | Medellin, United States | 10001+ | Exact match | 2,377 contacts → |
“OneLink is the premier partner in outsourced omnichannel customer experience services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 7,291 company matches
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Virtual call center services: dataset insights
November 5, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
7,246 records in the displayed employee bands.
45 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 7,291 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 5, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Virtual call center services by location
35 lists · largest firstEvery Virtual call center services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Virtual call center services based in the United States1,316
- Virtual call center services based in India520
- Virtual call center services based in Pakistan438
- Virtual call center services based in the Philippines315
- Virtual call center services based in the United Kingdom282
- Virtual call center services based in Brazil207
- Virtual call center services based in Canada157
- Virtual call center services based in France155
- Virtual call center services based in Italy146
- Virtual call center services based in Germany139
- Virtual call center services based in Mexico121
- Virtual call center services based in Spain115
- Virtual call center services based in the Netherlands96
- Virtual call center services based in South Africa89
- Virtual call center services based in Türkiye85
- Virtual call center services based in Colombia84
- Virtual call center services based in Egypt84
- Virtual call center services based in Poland54
- Virtual call center services based in Argentina53
- Virtual call center services based in Australia49
- Virtual call center services based in Tunisia47
- Virtual call center services based in the Dominican Republic42
- Virtual call center services based in Israel38
- Virtual call center services based in Belgium37
- Virtual call center services based in Chile37
- Virtual call center services based in Ireland28
- Virtual call center services based in Jamaica26
Cities
- Virtual call center services based in London, United Kingdom69
- Virtual call center services based in Sao Paulo, Brazil67
- Virtual call center services based in Noida, India51
- Virtual call center services based in New York, United States44
- Virtual call center services based in Houston, United States32
- Virtual call center services based in Miami, United States32
- Virtual call center services based in Toronto, Canada31
- Virtual call center services based in Istanbul, Türkiye26
Questions about this company list
What does Exact match mean for virtual call center services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many virtual call center services did RevenueBase find worldwide?
The saved snapshot records 7,291 matching company records, 543,782 tracked contacts and 51,611 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 5, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 virtual call center services worldwide. Snapshot: November 5, 2026. https://revenuebase.ai/companies/browse/virtual-call-center-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗