Company lists · Data refreshed October 2026
Top 25 Telemarketing companies worldwide
RevenueBase identified 5,789 company matches for telemarketing companies worldwide as of October 2026 and tracks 80,519 professional contacts across them, including 6,043 with verified work emails. The United States is the largest market and Rawalpindi the largest hub.
This list covers company matches for telemarketing companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 1, 2026. Country and city lists for telemarketing companies follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest telemarketing companies 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 · Oct 1, 2026 · View company records in RevenueBase | |||||
| 2 | 1,249 contacts → | ||||
Exact match “A Zanc é uma Empresa de Teleatendimento que está no mercado desde 1972.+ informações acesse:” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 3 | 1,198 contacts → | ||||
Exact match “The Office Gurus (TOG) is a global call center and business process outsource provider of customer care, telemarketing, lead generation, appointment setting, order entry, accounts…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 4 | 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 · Oct 1, 2026 · View company records in RevenueBase | |||||
| 5 | 718 contacts → | ||||
Exact match “Established in 2010, Talksure has developed a reputation for being a respected financial services provider and outsource business services partner.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 6 | 708 contacts → | ||||
Exact match “Salesify, a leading provider of B2B demand generation services, helps our clients create pipeline and accelerate revenue by identifying, profiling, nurturing and connecting with…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 7 | 649 contacts → | ||||
Exact match “We at Girnar Care work towards customer satisfaction and it is also a center of customer excellence.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 8 | 623 contacts → | ||||
Exact match “Impulsamos el éxito de nuestros clientes a través de soluciones personalizadas en Contact Center y experiencia al cliente.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 9 | 553 contacts → | ||||
Exact match “From initial market awareness to the final stages of a complex B2B buying journey, modern buyers crave authentic interaction.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 10 | 474 contacts → | ||||
Exact match “A HOME AGENT S.A.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 11 | 442 contacts → | ||||
Exact match “UTS is one of Malaysia’s leading outsourced contact centre service providers – managing and operating outbound services for several financial institutions.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 12 | 430 contacts → | ||||
Exact match “Credit Collection and Telephonic Marketing firm” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 13 | 428 contacts → | ||||
Exact match “Alliance is a domestically operated, internationally recognized professional contact center specializing in lead generation and appointment setting.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 14 | 393 contacts → | ||||
Exact match “Touchstone Communications was built in 2002 on the philosophy of hiring educated, motivated talent and then providing them with the best training and management to achieve our…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 15 | 387 contacts → | ||||
Exact match “TLM empowers businesses to generate revenue through their qualified leads.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 16 | 380 contacts → | ||||
Exact match “Beyond Codes is a global B2B lead generation and appointment-setting agency trusted by some of the world's leading technology companies to build enterprise sales pipeline.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 17 | 354 contacts → | ||||
Exact match “For over 35 years, The Connection has made a name for ourselves becoming one of the top industry partners to Fortune 500 companies looking to outsource their contact center…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 18 | 339 contacts → | ||||
Exact match “Inventive SMi was founded in 2008 with the goal of providing enterprise-grade communications solutions to businesses of all sizes.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 19 | 310 contacts → | ||||
Exact match “Founded in 2008, SOPHI is an outsourcing center based in the Philippines.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 20 | 299 contacts → | ||||
Exact match “ACCUEIL is a leading Italian company in the field of Call Center and Business Process Outsourcing Services.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 21 | 291 contacts → | ||||
Exact match “The market knows us as the leader in appointment setting.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 22 | 289 contacts → | ||||
Exact match “Current Vertical Focus: Real Estate - Lead Generation, Lead Conversion, Lead Qualification, Agent Recruiting Mortgage - Lead Conversion, Lead Qualification Insurance - Lead…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 23 | 283 contacts → | ||||
Exact match “Empresa lider en el mercado del contact center, especialista en la prestación de servicios de recuperación de cartera, servicio al cliente y telemercadeo.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 24 | 276 contacts → | ||||
Exact match “Accept@ Servicios Integrales es una empresa especializada en la venta telefónica que pertenece al Grupo Santalucia.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 25 | 256 contacts → | ||||
Exact match “Boomsourcing (A Fusion CX Company) is a call center established in 2007.” Recorded in the RevenueBase company graph · Oct 1, 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 “telemarketing companies”. 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 5,789 telemarketing companies worldwide
See the full list, filter by size, metro and specialty, and access 6,043 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Telemarketing companies worldwide at a glance
As of Oct 1, 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 telemarketing companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “telemarketing companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 6,043 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 1, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Telemarketing companies by location
24 lists · largest firstEvery Telemarketing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Telemarketing companies based in the United States1,254
- Telemarketing companies based in the United Kingdom417
- Telemarketing companies based in India414
- Telemarketing companies based in Germany168
- Telemarketing companies based in Italy152
- Telemarketing companies based in France133
- Telemarketing companies based in the Philippines133
- Telemarketing companies based in the Netherlands132
- Telemarketing companies based in Canada125
- Telemarketing companies based in Spain106
- Telemarketing companies based in Brazil104
- Telemarketing companies based in Australia70
- Telemarketing companies based in Denmark61
- Telemarketing companies based in Mexico60
- Telemarketing companies based in Sweden49
- Telemarketing companies based in South Africa43
- Telemarketing companies based in Poland42
- Telemarketing companies based in Belgium29
- Telemarketing companies based in Finland28
Cities
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “telemarketing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many telemarketing companies are there worldwide?
RevenueBase identified 5,789 company matches for telemarketing companies worldwide as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
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 telemarketing companies?
The United States leads with 1,254 companies, followed by the United Kingdom (417) and India (414). Every telemarketing companies list by country and city is linked on this page.
Which city has the most telemarketing companies?
Rawalpindi leads with 106 company records, followed by Pune (98) and London (75).
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 6,043 professional contacts with verified work emails tracked across these 5,789 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 1, 2026.
Ready to reach these companies? Verified emails and direct dials for all 5,789 telemarketing companies worldwide. Start with a free account, no credit card.
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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 telemarketing companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 5,789 matching company records for telemarketing companies worldwide, with 80,519 tracked contacts and 6,043 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: October 1, 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 telemarketing companies 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 | 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 · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: São Paulo / Porto Alegre / Taquari, BrazilReported employees: 1,001-5,000 | São Paulo / Porto Alegre / Taquari, Brazil | 1,001-5,000 | Exact match | 1,249 contacts → |
“A Zanc é uma Empresa de Teleatendimento que está no mercado desde 1972.+ informações acesse:” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: St Petersburg, FL, RussiaReported employees: 1,001-5,000 | St Petersburg, FL, Russia | 1,001-5,000 | Exact match | 1,198 contacts → |
“The Office Gurus (TOG) is a global call center and business process outsource provider of customer care, telemarketing, lead generation, appointment setting, order entry, accounts…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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 · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Durban, South AfricaReported employees: 501-1,000 | Durban, South Africa | 501-1,000 | Exact match | 718 contacts → |
“Established in 2010, Talksure has developed a reputation for being a respected financial services provider and outsource business services partner.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Redwood City, CA, United StatesReported employees: Not recorded | Redwood City, CA, United States | Not recorded | Exact match | 708 contacts → |
“Salesify, a leading provider of B2B demand generation services, helps our clients create pipeline and accelerate revenue by identifying, profiling, nurturing and connecting with…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Jaipur, IndiaReported employees: 501-1,000 | Jaipur, India | 501-1,000 | Exact match | 649 contacts → |
“We at Girnar Care work towards customer satisfaction and it is also a center of customer excellence.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Providencia, ChileReported employees: 1,001-5,000 | Providencia, Chile | 1,001-5,000 | Exact match | 623 contacts → |
“Impulsamos el éxito de nuestros clientes a través de soluciones personalizadas en Contact Center y experiencia al cliente.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Athens, GA, IndiaReported employees: 201-500 | Athens, GA, India | 201-500 | Exact match | 553 contacts → |
“From initial market awareness to the final stages of a complex B2B buying journey, modern buyers crave authentic interaction.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: São Paulo, BrazilReported employees: 201-500 | São Paulo, Brazil | 201-500 | Exact match | 474 contacts → |
“A HOME AGENT S.A.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Bandar Kuala Lumpur, MalaysiaReported employees: 1,001-5,000 | Bandar Kuala Lumpur, Malaysia | 1,001-5,000 | Exact match | 442 contacts → |
“UTS is one of Malaysia’s leading outsourced contact centre service providers – managing and operating outbound services for several financial institutions.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Leon, MexicoReported employees: 1,001-5,000 | Leon, Mexico | 1,001-5,000 | Exact match | 430 contacts → |
“Credit Collection and Telephonic Marketing firm” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Hurst, TX, United StatesReported employees: 51-200 | Hurst, TX, United States | 51-200 | Exact match | 428 contacts → |
“Alliance is a domestically operated, internationally recognized professional contact center specializing in lead generation and appointment setting.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Fort Worth, TX, United StatesReported employees: 501-1,000 | Fort Worth, TX, United States | 501-1,000 | Exact match | 393 contacts → |
“Touchstone Communications was built in 2002 on the philosophy of hiring educated, motivated talent and then providing them with the best training and management to achieve our…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Nagpur, IndiaReported employees: 51-200 | Nagpur, India | 51-200 | Exact match | 387 contacts → |
“TLM empowers businesses to generate revenue through their qualified leads.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Simi Valley, CA, United StatesReported employees: 201-500 | Simi Valley, CA, United States | 201-500 | Exact match | 380 contacts → |
“Beyond Codes is a global B2B lead generation and appointment-setting agency trusted by some of the world's leading technology companies to build enterprise sales pipeline.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Bloomington, MN, United StatesReported employees: 1,001-5,000 | Bloomington, MN, United States | 1,001-5,000 | Exact match | 354 contacts → |
“For over 35 years, The Connection has made a name for ourselves becoming one of the top industry partners to Fortune 500 companies looking to outsource their contact center…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Inventive SMIinventive-smi.com HQ: IndiaReported employees: 201-500 | India | 201-500 | Exact match | 339 contacts → |
“Inventive SMi was founded in 2008 with the goal of providing enterprise-grade communications solutions to businesses of all sizes.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Dumaguete, PhilippinesReported employees: 201-500 | Dumaguete, Philippines | 201-500 | Exact match | 310 contacts → |
“Founded in 2008, SOPHI is an outsourcing center based in the Philippines.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Reggio Calabria, ItalyReported employees: 501-1,000 | Reggio Calabria, Italy | 501-1,000 | Exact match | 299 contacts → |
“ACCUEIL is a leading Italian company in the field of Call Center and Business Process Outsourcing Services.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Chelmsford, MA, United StatesReported employees: 201-500 | Chelmsford, MA, United States | 201-500 | Exact match | 291 contacts → |
“The market knows us as the leader in appointment setting.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Los Angeles, TX, United StatesReported employees: 51-200 | Los Angeles, TX, United States | 51-200 | Exact match | 289 contacts → |
“Current Vertical Focus: Real Estate - Lead Generation, Lead Conversion, Lead Qualification, Agent Recruiting Mortgage - Lead Conversion, Lead Qualification Insurance - Lead…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Quito, EcuadorReported employees: 201-500 | Quito, Ecuador | 201-500 | Exact match | 283 contacts → |
“Empresa lider en el mercado del contact center, especialista en la prestación de servicios de recuperación de cartera, servicio al cliente y telemercadeo.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Madrid, SpainReported employees: 501-1,000 | Madrid, Spain | 501-1,000 | Exact match | 276 contacts → |
“Accept@ Servicios Integrales es una empresa especializada en la venta telefónica que pertenece al Grupo Santalucia.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Lehi, UT, United StatesReported employees: 501-1,000 | Lehi, UT, United States | 501-1,000 | Exact match | 256 contacts → |
“Boomsourcing (A Fusion CX Company) is a call center established in 2007.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 5,789 company matches
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Telemarketing companies: dataset insights
October 1, 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
5,776 records in the displayed employee bands.
13 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 5,789 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: October 1, 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 ↗
Telemarketing companies by location
24 lists · largest firstEvery Telemarketing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Telemarketing companies based in the United States1,254
- Telemarketing companies based in the United Kingdom417
- Telemarketing companies based in India414
- Telemarketing companies based in Germany168
- Telemarketing companies based in Italy152
- Telemarketing companies based in France133
- Telemarketing companies based in the Philippines133
- Telemarketing companies based in the Netherlands132
- Telemarketing companies based in Canada125
- Telemarketing companies based in Spain106
- Telemarketing companies based in Brazil104
- Telemarketing companies based in Australia70
- Telemarketing companies based in Denmark61
- Telemarketing companies based in Mexico60
- Telemarketing companies based in Sweden49
- Telemarketing companies based in South Africa43
- Telemarketing companies based in Poland42
- Telemarketing companies based in Belgium29
- Telemarketing companies based in Finland28
Cities
Questions about this company list
What does Exact match mean for telemarketing companies?
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 telemarketing companies did RevenueBase find worldwide?
The saved snapshot records 5,789 matching company records, 80,519 tracked contacts and 6,043 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: October 1, 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 telemarketing companies worldwide. Snapshot: October 1, 2026. https://revenuebase.ai/companies/browse/telemarketing-companies.
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 telemarketing companies worldwide
RevenueBase records 5,789 matching company records for telemarketing companies worldwide, with 80,519 tracked contacts and 6,043 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: October 1, 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 telemarketing companies 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 | 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 · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: São Paulo / Porto Alegre / Taquari, BrazilReported employees: 1,001-5,000 | São Paulo / Porto Alegre / Taquari, Brazil | 1,001-5,000 | Exact match | 1,249 contacts → |
“A Zanc é uma Empresa de Teleatendimento que está no mercado desde 1972.+ informações acesse:” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: St Petersburg, FL, RussiaReported employees: 1,001-5,000 | St Petersburg, FL, Russia | 1,001-5,000 | Exact match | 1,198 contacts → |
“The Office Gurus (TOG) is a global call center and business process outsource provider of customer care, telemarketing, lead generation, appointment setting, order entry, accounts…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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 · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Durban, South AfricaReported employees: 501-1,000 | Durban, South Africa | 501-1,000 | Exact match | 718 contacts → |
“Established in 2010, Talksure has developed a reputation for being a respected financial services provider and outsource business services partner.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Redwood City, CA, United StatesReported employees: Not recorded | Redwood City, CA, United States | Not recorded | Exact match | 708 contacts → |
“Salesify, a leading provider of B2B demand generation services, helps our clients create pipeline and accelerate revenue by identifying, profiling, nurturing and connecting with…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Jaipur, IndiaReported employees: 501-1,000 | Jaipur, India | 501-1,000 | Exact match | 649 contacts → |
“We at Girnar Care work towards customer satisfaction and it is also a center of customer excellence.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Providencia, ChileReported employees: 1,001-5,000 | Providencia, Chile | 1,001-5,000 | Exact match | 623 contacts → |
“Impulsamos el éxito de nuestros clientes a través de soluciones personalizadas en Contact Center y experiencia al cliente.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Athens, GA, IndiaReported employees: 201-500 | Athens, GA, India | 201-500 | Exact match | 553 contacts → |
“From initial market awareness to the final stages of a complex B2B buying journey, modern buyers crave authentic interaction.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: São Paulo, BrazilReported employees: 201-500 | São Paulo, Brazil | 201-500 | Exact match | 474 contacts → |
“A HOME AGENT S.A.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Bandar Kuala Lumpur, MalaysiaReported employees: 1,001-5,000 | Bandar Kuala Lumpur, Malaysia | 1,001-5,000 | Exact match | 442 contacts → |
“UTS is one of Malaysia’s leading outsourced contact centre service providers – managing and operating outbound services for several financial institutions.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Leon, MexicoReported employees: 1,001-5,000 | Leon, Mexico | 1,001-5,000 | Exact match | 430 contacts → |
“Credit Collection and Telephonic Marketing firm” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Hurst, TX, United StatesReported employees: 51-200 | Hurst, TX, United States | 51-200 | Exact match | 428 contacts → |
“Alliance is a domestically operated, internationally recognized professional contact center specializing in lead generation and appointment setting.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Fort Worth, TX, United StatesReported employees: 501-1,000 | Fort Worth, TX, United States | 501-1,000 | Exact match | 393 contacts → |
“Touchstone Communications was built in 2002 on the philosophy of hiring educated, motivated talent and then providing them with the best training and management to achieve our…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Nagpur, IndiaReported employees: 51-200 | Nagpur, India | 51-200 | Exact match | 387 contacts → |
“TLM empowers businesses to generate revenue through their qualified leads.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Simi Valley, CA, United StatesReported employees: 201-500 | Simi Valley, CA, United States | 201-500 | Exact match | 380 contacts → |
“Beyond Codes is a global B2B lead generation and appointment-setting agency trusted by some of the world's leading technology companies to build enterprise sales pipeline.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Bloomington, MN, United StatesReported employees: 1,001-5,000 | Bloomington, MN, United States | 1,001-5,000 | Exact match | 354 contacts → |
“For over 35 years, The Connection has made a name for ourselves becoming one of the top industry partners to Fortune 500 companies looking to outsource their contact center…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Inventive SMIinventive-smi.com HQ: IndiaReported employees: 201-500 | India | 201-500 | Exact match | 339 contacts → |
“Inventive SMi was founded in 2008 with the goal of providing enterprise-grade communications solutions to businesses of all sizes.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Dumaguete, PhilippinesReported employees: 201-500 | Dumaguete, Philippines | 201-500 | Exact match | 310 contacts → |
“Founded in 2008, SOPHI is an outsourcing center based in the Philippines.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Reggio Calabria, ItalyReported employees: 501-1,000 | Reggio Calabria, Italy | 501-1,000 | Exact match | 299 contacts → |
“ACCUEIL is a leading Italian company in the field of Call Center and Business Process Outsourcing Services.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Chelmsford, MA, United StatesReported employees: 201-500 | Chelmsford, MA, United States | 201-500 | Exact match | 291 contacts → |
“The market knows us as the leader in appointment setting.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Los Angeles, TX, United StatesReported employees: 51-200 | Los Angeles, TX, United States | 51-200 | Exact match | 289 contacts → |
“Current Vertical Focus: Real Estate - Lead Generation, Lead Conversion, Lead Qualification, Agent Recruiting Mortgage - Lead Conversion, Lead Qualification Insurance - Lead…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Quito, EcuadorReported employees: 201-500 | Quito, Ecuador | 201-500 | Exact match | 283 contacts → |
“Empresa lider en el mercado del contact center, especialista en la prestación de servicios de recuperación de cartera, servicio al cliente y telemercadeo.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Madrid, SpainReported employees: 501-1,000 | Madrid, Spain | 501-1,000 | Exact match | 276 contacts → |
“Accept@ Servicios Integrales es una empresa especializada en la venta telefónica que pertenece al Grupo Santalucia.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Lehi, UT, United StatesReported employees: 501-1,000 | Lehi, UT, United States | 501-1,000 | Exact match | 256 contacts → |
“Boomsourcing (A Fusion CX Company) is a call center established in 2007.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 5,789 company matches
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Telemarketing companies: dataset insights
October 1, 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
5,776 records in the displayed employee bands.
13 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 5,789 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: October 1, 2026.
Publisher-reported method study
The published RevenueBase SmartSearch benchmark
86% good or better at Exact
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. It reports 86% of Exact matches judged good or better, and 77% for a 240-pair sample of one- or two-word categories. This evaluates the method across study queries rather than auditing this individual list.
Read the study and full methodology ↗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 ↗
Telemarketing companies by location
24 lists · largest firstEvery Telemarketing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Telemarketing companies based in the United States1,254
- Telemarketing companies based in the United Kingdom417
- Telemarketing companies based in India414
- Telemarketing companies based in Germany168
- Telemarketing companies based in Italy152
- Telemarketing companies based in France133
- Telemarketing companies based in the Philippines133
- Telemarketing companies based in the Netherlands132
- Telemarketing companies based in Canada125
- Telemarketing companies based in Spain106
- Telemarketing companies based in Brazil104
- Telemarketing companies based in Australia70
- Telemarketing companies based in Denmark61
- Telemarketing companies based in Mexico60
- Telemarketing companies based in Sweden49
- Telemarketing companies based in South Africa43
- Telemarketing companies based in Poland42
- Telemarketing companies based in Belgium29
- Telemarketing companies based in Finland28
Cities
Questions about this company list
What does Exact match mean for telemarketing companies?
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 telemarketing companies did RevenueBase find worldwide?
The saved snapshot records 5,789 matching company records, 80,519 tracked contacts and 6,043 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: October 1, 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 telemarketing companies worldwide. Snapshot: October 1, 2026. https://revenuebase.ai/companies/browse/telemarketing-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗