Company lists · Data refreshed September 2026
Top 25 Where are call centers worldwide
RevenueBase identified 867 company matches for where are call centers worldwide as of September 2026 and tracks 22,078 professional contacts across them, including 1,334 with verified work emails. The United States is the largest market and Rawalpindi the largest hub.
This list covers company matches for where are call centers 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 21, 2026. Country and city lists for where are call centers 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 where are call centers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,774 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 883 contacts → | ||||
Exact match “If you are interested in growing your business or increasing efficiency, AnswerNet has the expertise, technology, and people to help you take your company to new heights!” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 504 contacts → | ||||
Exact match “AZPIRED is a world-class provider of call center outsourcing services, proudly operating multiple locations across the Philippines.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 4 | 500 contacts → | ||||
Exact match “Transcosmos Malaysia offer integrated call center services such as Call Center, Social Media Management, Voice Of Customer Analysis, Digital Marketing and eCommerce Solution that…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 474 contacts → | ||||
Exact match “A HOME AGENT S.A.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 346 contacts → | ||||
Exact match “As a distinguished global leader in call center outsourcing, OnBrand24 takes pride in its 30-year legacy of delivering exceptional inbound and outbound call center services across…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 338 contacts → | ||||
Exact match “With more than 900 employees, PhoneAct is an ISO 9001/2008 certified offshore call center service provider.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 307 contacts → | ||||
Exact match “TeleDirect provides 24/7 U.S-based call center and answering services for organizations that cannot afford to miss important calls.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 289 contacts → | ||||
Exact match “Aegis Argentina inició su operación en 1994 en la ciudad de Buenos Aires, bajo el nombre de Actionline, como una compañía nacional de 200 empleados dedicada a la prestación de…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 284 contacts → | ||||
Exact match “Navigant Technologies is an ISO 9001-2008 certified international call center headquartered in Delhi, India.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 246 contacts → | ||||
Exact match “Since 1995, VOXDATA has been supplying outsourced call centre services, 24 hours a day, seven days a week, to meet all frontline customer relations needs.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 216 contacts → | ||||
Exact match “Schedule your FREE Consultation here: http://bit.ly/2gUckQb Anomaly Squared is a contact center services provider.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 212 contacts → | ||||
Exact match “Growing quickly in its field of activities, Voicecom earned a big part in the national and international market.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 207 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 192 contacts → | ||||
Exact match “Günümüz teknolojik gelişmeleri ve iletişim kanalları sayesinde son kullanıcılar çok daha hızlı bir şekilde işlemlerini sonlandırabilmektedir.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 192 contacts → | ||||
Exact match “With nine call centers located in America, El Salvador, Nicaragua, the Dominican Republic and the Philippines, Bernard works with some of America's largest companies to provide…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 190 contacts → | ||||
Exact match “Grupo Noa International is a premier virtual call center for the international direct response industry.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 180 contacts → | ||||
Exact match “Gold Mountain Communications is a US-based live operator inbound/outbound call center and service agency helping leading national corporations outsource their customer service and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 19 | 174 contacts → | ||||
Exact match “MySource is a trusted leader in delivering Call Center and Business Process Outsourcing (BPO) solutions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 20 | 157 contacts → | ||||
Exact match “É nossa missão proporcionar aos nossos parceiros um serviço de call center “top quality” que pode funcionar 24 horas por dia.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 21 | 154 contacts → | ||||
Exact match “Founded in 1982, Call Experts is a family owned and operated call center focused on providing extensive telecommunications and office-based services to professionals in numerous…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 22 | 149 contacts → | ||||
Exact match “Callpoint bietet Schweizer Call Center Services in den Bereichen Customer Service, Pikettdienst, Helpdesk und Telemarketing an – vor allem für grössere Unternehmen.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 23 | 143 contacts → | ||||
Exact match “Customer Elation provides call center services and telephone answering services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 24 | 140 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 25 | 128 contacts → | ||||
Exact match “Tecnocall Srl, forte della sua esperienza quindicennale nel settore dei Call Center è ormai di fatto un'azienda leader nel settore.” Recorded in the RevenueBase company graph · Sep 21, 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 “where are call centers”. 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 867 where are call centers worldwide
See the full list, filter by size, metro and specialty, and access 1,334 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Where are call centers worldwide at a glance
As of Sep 21, 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 where are call centers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “where are call centers” 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 1,334 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 21, 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.
Where are call centers by location
1 lists · largest firstEvery Where are call centers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
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 “where are call centers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many where are call centers are there worldwide?
RevenueBase identified 867 company matches for where are call centers 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?
Advanced Call Center Technologies, LLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most where are call centers?
The United States leads with 132 companies. Every where are call centers list by country and city is linked on this page.
Which city has the most where are call centers?
Rawalpindi leads with 20 company records, followed by Lahore (13) and Istanbul (9).
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 1,334 professional contacts with verified work emails tracked across these 867 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 21, 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 where are call centers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 867 matching company records for where are call centers worldwide, with 22,078 tracked contacts and 1,334 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: September 21, 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 where are call centers 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 |  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 | 2,774 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Answernetanswernet.comHQ: Horsham, PA, United StatesReported employees: 501-1,000 | Horsham, PA, United States | 501-1,000 | Exact match | 883 contacts → |
“If you are interested in growing your business or increasing efficiency, AnswerNet has the expertise, technology, and people to help you take your company to new heights!” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Azpiredazpired.comHQ: Cebu City, PhilippinesReported employees: 1,001-5,000 | Cebu City, Philippines | 1,001-5,000 | Exact match | 504 contacts → |
“AZPIRED is a world-class provider of call center outsourcing services, proudly operating multiple locations across the Philippines.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Transcosmos Malaysiatrans-cosmos.com.myHQ: Kuala Lumpur, MalaysiaReported employees: 1,001-5,000 | Kuala Lumpur, Malaysia | 1,001-5,000 | Exact match | 500 contacts → |
“Transcosmos Malaysia offer integrated call center services such as Call Center, Social Media Management, Voice Of Customer Analysis, Digital Marketing and eCommerce Solution that…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Home Agenthomeagent.com.brHQ: São Paulo, BrazilReported employees: 201-500 | São Paulo, Brazil | 201-500 | Exact match | 474 contacts → |
“A HOME AGENT S.A.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Onbrand24onbrand24.comHQ: Iowa City, United StatesReported employees: 1,001-5,000 | Iowa City, United States | 1,001-5,000 | Exact match | 346 contacts → |
“As a distinguished global leader in call center outsourcing, OnBrand24 takes pride in its 30-year legacy of delivering exceptional inbound and outbound call center services across…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Phoneactoutsourcia.comHQ: Tunis, TunisiaReported employees: 501-1,000 | Tunis, Tunisia | 501-1,000 | Exact match | 338 contacts → |
“With more than 900 employees, PhoneAct is an ISO 9001/2008 certified offshore call center service provider.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Teledirect Call Centersteledirect.comHQ: Sacramento, CA, United StatesReported employees: 201-500 | Sacramento, CA, United States | 201-500 | Exact match | 307 contacts → |
“TeleDirect provides 24/7 U.S-based call center and answering services for organizations that cannot afford to miss important calls.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Aegis Argentinaaegisglobal.comHQ: Ciudad De Buenos Aires, ArgentinaReported employees: 5,001-10,000 | Ciudad De Buenos Aires, Argentina | 5,001-10,000 | Exact match | 289 contacts → |
“Aegis Argentina inició su operación en 1994 en la ciudad de Buenos Aires, bajo el nombre de Actionline, como una compañía nacional de 200 empleados dedicada a la prestación de…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Navigant Technologiesnavigant.inHQ: New Delhi, IndiaReported employees: 201-500 | New Delhi, India | 201-500 | Exact match | 284 contacts → |
“Navigant Technologies is an ISO 9001-2008 certified international call center headquartered in Delhi, India.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Voxdatavoxdata.comHQ: Montréal, QC, CanadaReported employees: 201-500 | Montréal, QC, Canada | 201-500 | Exact match | 246 contacts → |
“Since 1995, VOXDATA has been supplying outsourced call centre services, 24 hours a day, seven days a week, to meet all frontline customer relations needs.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Anomaly Squaredanomalysquared.comHQ: Greensboro, NC, United StatesReported employees: 201-500 | Greensboro, NC, United States | 201-500 | Exact match | 216 contacts → |
“Schedule your FREE Consultation here: http://bit.ly/2gUckQb Anomaly Squared is a contact center services provider.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Voicecom Groupvoicecom.frHQ: Ariana, TunisiaReported employees: 201-500 | Ariana, Tunisia | 201-500 | Exact match | 212 contacts → |
“Growing quickly in its field of activities, Voicecom earned a big part in the national and international market.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Zedd Customer Solutions INCzeddsolutions.comHQ: Toronto, ON, CanadaReported employees: 501-1,000 | Toronto, ON, Canada | 501-1,000 | Exact match | 207 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 |  NET Call Centernetcc.com.trHQ: Ostim Osb, TürkiyeReported employees: 501-1,000 | Ostim Osb, Türkiye | 501-1,000 | Exact match | 192 contacts → |
“Günümüz teknolojik gelişmeleri ve iletişim kanalları sayesinde son kullanıcılar çok daha hızlı bir şekilde işlemlerini sonlandırabilmektedir.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  American Supportbernardbpo.comHQ: Jacksonville, FL, United StatesReported employees: 501-1,000 | Jacksonville, FL, United States | 501-1,000 | Exact match | 192 contacts → |
“With nine call centers located in America, El Salvador, Nicaragua, the Dominican Republic and the Philippines, Bernard works with some of America's largest companies to provide…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Grupo NOA Internationalgruponoainternational.comHQ: Miami, United StatesReported employees: 51-200 | Miami, United States | 51-200 | Exact match | 190 contacts → |
“Grupo Noa International is a premier virtual call center for the international direct response industry.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Gold Mountain Communicationsgold-mtn.comHQ: Springfield, MO, United StatesReported employees: 201-500 | Springfield, MO, United States | 201-500 | Exact match | 180 contacts → |
“Gold Mountain Communications is a US-based live operator inbound/outbound call center and service agency helping leading national corporations outsource their customer service and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Mysourcemysourcesolutions.comHQ: Kansas City, United StatesReported employees: 201-500 | Kansas City, United States | 201-500 | Exact match | 174 contacts → |
“MySource is a trusted leader in delivering Call Center and Business Process Outsourcing (BPO) solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Ventaskventask.ptHQ: Lisbon, PortugalReported employees: 201-500 | Lisbon, Portugal | 201-500 | Exact match | 157 contacts → |
“É nossa missão proporcionar aos nossos parceiros um serviço de call center “top quality” que pode funcionar 24 horas por dia.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Call Expertscallexperts.comHQ: Charleston, SC, United StatesReported employees: 51-200 | Charleston, SC, United States | 51-200 | Exact match | 154 contacts → |
“Founded in 1982, Call Experts is a family owned and operated call center focused on providing extensive telecommunications and office-based services to professionals in numerous…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Callpoint AGcallpoint.chHQ: Basel, SwitzerlandReported employees: 501-1,000 | Basel, Switzerland | 501-1,000 | Exact match | 149 contacts → |
“Callpoint bietet Schweizer Call Center Services in den Bereichen Customer Service, Pikettdienst, Helpdesk und Telemarketing an – vor allem für grössere Unternehmen.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Customer Elationcustomerelation.comHQ: Minneapolis, MN, United StatesReported employees: 501-1,000 | Minneapolis, MN, United States | 501-1,000 | Exact match | 143 contacts → |
“Customer Elation provides call center services and telephone answering services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Convergys Call Centreconvergys.comHQ: Thane, IndiaReported employees: 51-200 | Thane, India | 51-200 | Exact match | 140 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 |  Tecnocall SRLtecnocall.euHQ: Avezzano, ItalyReported employees: 501-1,000 | Avezzano, Italy | 501-1,000 | Exact match | 128 contacts → |
“Tecnocall Srl, forte della sua esperienza quindicennale nel settore dei Call Center è ormai di fatto un'azienda leader nel settore.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 867 company matches
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Where are call centers: dataset insights
September 21, 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
864 records in the displayed employee bands.
3 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 867 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: September 21, 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 ↗
Where are call centers by location
1 lists · largest firstEvery Where are call centers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for where are call centers?
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 where are call centers did RevenueBase find worldwide?
The saved snapshot records 867 matching company records, 22,078 tracked contacts and 1,334 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: September 21, 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.
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Cite this list
RevenueBase Data Team. Top 25 where are call centers worldwide. Snapshot: September 21, 2026. https://revenuebase.ai/companies/browse/where-are-call-centers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 where are call centers worldwide
RevenueBase records 867 matching company records for where are call centers worldwide, with 22,078 tracked contacts and 1,334 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: September 21, 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 where are call centers 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 | 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 | 2,774 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Answernetanswernet.com HQ: Horsham, PA, United StatesReported employees: 501-1,000 | Horsham, PA, United States | 501-1,000 | Exact match | 883 contacts → |
“If you are interested in growing your business or increasing efficiency, AnswerNet has the expertise, technology, and people to help you take your company to new heights!” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Azpiredazpired.com HQ: Cebu City, PhilippinesReported employees: 1,001-5,000 | Cebu City, Philippines | 1,001-5,000 | Exact match | 504 contacts → |
“AZPIRED is a world-class provider of call center outsourcing services, proudly operating multiple locations across the Philippines.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Transcosmos Malaysiatrans-cosmos.com.my HQ: Kuala Lumpur, MalaysiaReported employees: 1,001-5,000 | Kuala Lumpur, Malaysia | 1,001-5,000 | Exact match | 500 contacts → |
“Transcosmos Malaysia offer integrated call center services such as Call Center, Social Media Management, Voice Of Customer Analysis, Digital Marketing and eCommerce Solution that…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Home Agenthomeagent.com.br HQ: São Paulo, BrazilReported employees: 201-500 | São Paulo, Brazil | 201-500 | Exact match | 474 contacts → |
“A HOME AGENT S.A.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Onbrand24onbrand24.com HQ: Iowa City, United StatesReported employees: 1,001-5,000 | Iowa City, United States | 1,001-5,000 | Exact match | 346 contacts → |
“As a distinguished global leader in call center outsourcing, OnBrand24 takes pride in its 30-year legacy of delivering exceptional inbound and outbound call center services across…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Phoneactoutsourcia.com HQ: Tunis, TunisiaReported employees: 501-1,000 | Tunis, Tunisia | 501-1,000 | Exact match | 338 contacts → |
“With more than 900 employees, PhoneAct is an ISO 9001/2008 certified offshore call center service provider.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Teledirect Call Centersteledirect.com HQ: Sacramento, CA, United StatesReported employees: 201-500 | Sacramento, CA, United States | 201-500 | Exact match | 307 contacts → |
“TeleDirect provides 24/7 U.S-based call center and answering services for organizations that cannot afford to miss important calls.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Aegis Argentinaaegisglobal.com HQ: Ciudad De Buenos Aires, ArgentinaReported employees: 5,001-10,000 | Ciudad De Buenos Aires, Argentina | 5,001-10,000 | Exact match | 289 contacts → |
“Aegis Argentina inició su operación en 1994 en la ciudad de Buenos Aires, bajo el nombre de Actionline, como una compañía nacional de 200 empleados dedicada a la prestación de…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Navigant Technologiesnavigant.in HQ: New Delhi, IndiaReported employees: 201-500 | New Delhi, India | 201-500 | Exact match | 284 contacts → |
“Navigant Technologies is an ISO 9001-2008 certified international call center headquartered in Delhi, India.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Voxdatavoxdata.com HQ: Montréal, QC, CanadaReported employees: 201-500 | Montréal, QC, Canada | 201-500 | Exact match | 246 contacts → |
“Since 1995, VOXDATA has been supplying outsourced call centre services, 24 hours a day, seven days a week, to meet all frontline customer relations needs.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Anomaly Squaredanomalysquared.com HQ: Greensboro, NC, United StatesReported employees: 201-500 | Greensboro, NC, United States | 201-500 | Exact match | 216 contacts → |
“Schedule your FREE Consultation here: http://bit.ly/2gUckQb Anomaly Squared is a contact center services provider.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Voicecom Groupvoicecom.fr HQ: Ariana, TunisiaReported employees: 201-500 | Ariana, Tunisia | 201-500 | Exact match | 212 contacts → |
“Growing quickly in its field of activities, Voicecom earned a big part in the national and international market.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Zedd Customer Solutions INCzeddsolutions.com HQ: Toronto, ON, CanadaReported employees: 501-1,000 | Toronto, ON, Canada | 501-1,000 | Exact match | 207 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | NET Call Centernetcc.com.tr HQ: Ostim Osb, TürkiyeReported employees: 501-1,000 | Ostim Osb, Türkiye | 501-1,000 | Exact match | 192 contacts → |
“Günümüz teknolojik gelişmeleri ve iletişim kanalları sayesinde son kullanıcılar çok daha hızlı bir şekilde işlemlerini sonlandırabilmektedir.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | American Supportbernardbpo.com HQ: Jacksonville, FL, United StatesReported employees: 501-1,000 | Jacksonville, FL, United States | 501-1,000 | Exact match | 192 contacts → |
“With nine call centers located in America, El Salvador, Nicaragua, the Dominican Republic and the Philippines, Bernard works with some of America's largest companies to provide…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Grupo NOA Internationalgruponoainternational.com HQ: Miami, United StatesReported employees: 51-200 | Miami, United States | 51-200 | Exact match | 190 contacts → |
“Grupo Noa International is a premier virtual call center for the international direct response industry.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Gold Mountain Communicationsgold-mtn.com HQ: Springfield, MO, United StatesReported employees: 201-500 | Springfield, MO, United States | 201-500 | Exact match | 180 contacts → |
“Gold Mountain Communications is a US-based live operator inbound/outbound call center and service agency helping leading national corporations outsource their customer service and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Mysourcemysourcesolutions.com HQ: Kansas City, United StatesReported employees: 201-500 | Kansas City, United States | 201-500 | Exact match | 174 contacts → |
“MySource is a trusted leader in delivering Call Center and Business Process Outsourcing (BPO) solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Ventaskventask.pt HQ: Lisbon, PortugalReported employees: 201-500 | Lisbon, Portugal | 201-500 | Exact match | 157 contacts → |
“É nossa missão proporcionar aos nossos parceiros um serviço de call center “top quality” que pode funcionar 24 horas por dia.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Call Expertscallexperts.com HQ: Charleston, SC, United StatesReported employees: 51-200 | Charleston, SC, United States | 51-200 | Exact match | 154 contacts → |
“Founded in 1982, Call Experts is a family owned and operated call center focused on providing extensive telecommunications and office-based services to professionals in numerous…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Callpoint AGcallpoint.ch HQ: Basel, SwitzerlandReported employees: 501-1,000 | Basel, Switzerland | 501-1,000 | Exact match | 149 contacts → |
“Callpoint bietet Schweizer Call Center Services in den Bereichen Customer Service, Pikettdienst, Helpdesk und Telemarketing an – vor allem für grössere Unternehmen.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Customer Elationcustomerelation.com HQ: Minneapolis, MN, United StatesReported employees: 501-1,000 | Minneapolis, MN, United States | 501-1,000 | Exact match | 143 contacts → |
“Customer Elation provides call center services and telephone answering services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Convergys Call Centreconvergys.com HQ: Thane, IndiaReported employees: 51-200 | Thane, India | 51-200 | Exact match | 140 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | Tecnocall SRLtecnocall.eu HQ: Avezzano, ItalyReported employees: 501-1,000 | Avezzano, Italy | 501-1,000 | Exact match | 128 contacts → |
“Tecnocall Srl, forte della sua esperienza quindicennale nel settore dei Call Center è ormai di fatto un'azienda leader nel settore.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 867 company matches
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Where are call centers: dataset insights
September 21, 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
864 records in the displayed employee bands.
3 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 867 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: September 21, 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 ↗
Where are call centers by location
1 lists · largest firstEvery Where are call centers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for where are call centers?
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 where are call centers did RevenueBase find worldwide?
The saved snapshot records 867 matching company records, 22,078 tracked contacts and 1,334 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: September 21, 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.
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Cite this list
RevenueBase Data Team. Top 25 where are call centers worldwide. Snapshot: September 21, 2026. https://revenuebase.ai/companies/browse/where-are-call-centers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗