Company lists · Data refreshed November 2026
Top 25 Inside sales services worldwide
RevenueBase identified 9,402 company matches for inside sales services worldwide as of November 2026 and tracks 115,797 professional contacts across them, including 12,112 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for inside sales services worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for inside sales services follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest inside sales services worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,207 contacts → | ||||
Exact match “Maximizamos el valor de cada contacto de las empresas con sus clientes, gestionando los procesos de relacionamiento a través de canales tefónicos, virtuales y presenciales.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 3,116 contacts → | ||||
Exact match “Advanced Call Center Technologies, LLC (ACT) is a premier provider of domestic (USA), near shore and far shore outsourced call center services to the financial services, mortgage…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 2,619 contacts → | ||||
Exact match “MarketStar is a global B2B sales outsourcing leader with 38+ years of experience driving predictable revenue growth.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 1,824 contacts → | ||||
Exact match “The Concentrix B2B sales practice is here to design, build and run projects for our clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 1,318 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 969 contacts → | ||||
Exact match “Our Company Inktel is a leading business process outsourcer that specializes in creating personalized call center solutions which enable our clients to increase market share…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 874 contacts → | ||||
Exact match “Em um mercado cada vez mais competitivo, onde a eficiência em vendas massificadas e externas é um desafio constante, a ZAZ Vendas surge como a resposta definitiva.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 740 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 732 contacts → | ||||
Exact match “We book the qualified meetings that fill your pipeline for any B2B company ready to grow.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 731 contacts → | ||||
Exact match “Salelytics is now MarketSource.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 725 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 681 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 619 contacts → | ||||
Exact match “At Algominds, we build AI agents that find you customers who already want to buy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 601 contacts → | ||||
Exact match “Infinity is an award-winning inside sales agency and consulting firm with 30 years of experience helping B2B companies maximize sales and drive revenue.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 580 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 530 contacts → | ||||
Exact match “movingDneedle is a Business to Business Sales Lead Generation Company that provides fast and scalable, sales qualified leads through its unique Personalized Email Marketing…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 490 contacts → | ||||
Exact match “InfoAnalytica is a B2B sales acceleration partner for mid-market and enterprise companies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 452 contacts → | ||||
Exact match “Avec un CA de 35 M € et 1200 collaborateurs, le groupe EURO CRM compte aujourd'hui parmi les acteurs majeurs du marché de la gestion de la relation client à distance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 448 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 443 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 421 contacts → | ||||
Exact match “TLM empowers businesses to generate revenue through their qualified leads.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 417 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 404 contacts → | ||||
Exact match “A Cobmax é uma Sales Center com inteligência em vendas, fruto de metodologia própria, testada e aprovada em 11 anos de experiência.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 398 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 386 contacts → | ||||
Exact match “EBQ is an outsourced sales and marketing organization that provides services to help companies scale.” Recorded in the RevenueBase company graph · Nov 6, 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 “inside sales services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 9,402 inside sales services worldwide
See the full list, filter by size, metro and specialty, and access 12,112 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Inside sales services worldwide at a glance
As of Nov 6, 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 inside sales services are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “inside sales services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 12,112 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 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.
Inside sales services by location
46 lists · largest firstEvery Inside sales services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Inside sales services based in the United States1,924
- Inside sales services based in India754
- Inside sales services based in the United Kingdom699
- Inside sales services based in France323
- Inside sales services based in Brazil252
- Inside sales services based in Germany240
- Inside sales services based in Canada227
- Inside sales services based in the Netherlands222
- Inside sales services based in the Philippines189
- Inside sales services based in Australia145
- Inside sales services based in Spain136
- Inside sales services based in the United Arab Emirates83
- Inside sales services based in South Africa80
- Inside sales services based in Sweden75
- Inside sales services based in Finland60
- Inside sales services based in Italy60
- Inside sales services based in Denmark57
- Inside sales services based in Belgium51
- Inside sales services based in Singapore51
- Inside sales services based in Poland50
- Inside sales services based in Ukraine47
- Inside sales services based in Israel43
- Inside sales services based in Ireland38
- Inside sales services based in Norway37
- Inside sales services based in Switzerland35
- Inside sales services based in New Zealand33
Cities
- Inside sales services based in London, United Kingdom222
- Inside sales services based in Pune, India155
- Inside sales services based in New York, United States110
- Inside sales services based in Paris, France104
- Inside sales services based in Sao Paulo, Brazil79
- Inside sales services based in Bangalore, India77
- Inside sales services based in Toronto, Canada71
- Inside sales services based in Los Angeles, United States64
- Inside sales services based in Dubai, United Arab Emirates62
- Inside sales services based in Sheridan, United States55
- Inside sales services based in San Francisco, United States52
- Inside sales services based in Singapore, Singapore48
- Inside sales services based in Miami, United States47
- Inside sales services based in Madrid, Spain40
- Inside sales services based in Austin, United States39
- Inside sales services based in Sydney, Australia39
- Inside sales services based in Stockholm, Sweden36
- Inside sales services based in Berlin, Germany31
- Inside sales services based in Barcelona, Spain26
- Inside sales services based in San Diego, United States26
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 “inside sales services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many inside sales services are there worldwide?
RevenueBase identified 9,402 company matches for inside sales services worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Emtelco S.A tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most inside sales services?
The United States leads with 1,924 companies, followed by India (754) and the United Kingdom (699). Every inside sales services list by country and city is linked on this page.
Which city has the most inside sales services?
London leads with 224 company records, followed by Pune (155) and New York (110).
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 12,112 professional contacts with verified work emails tracked across these 9,402 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 9,402 inside sales services 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 inside sales services worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 9,402 matching company records for inside sales services worldwide, with 115,797 tracked contacts and 12,112 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 inside sales services worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HQ: Medellín, ColombiaReported employees: 10001+ | Medellín, Colombia | 10001+ | Exact match | 6,207 contacts → |
“Maximizamos el valor de cada contacto de las empresas con sus clientes, gestionando los procesos de relacionamiento a través de canales tefónicos, virtuales y presenciales.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Berwyn, PA, United StatesReported employees: 5,001-10,000 | Berwyn, PA, United States | 5,001-10,000 | Exact match | 3,116 contacts → |
“Advanced Call Center Technologies, LLC (ACT) is a premier provider of domestic (USA), near shore and far shore outsourced call center services to the financial services, mortgage…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Ogden, United StatesReported employees: 1,001-5,000 | Ogden, United States | 1,001-5,000 | Exact match | 2,619 contacts → |
“MarketStar is a global B2B sales outsourcing leader with 38+ years of experience driving predictable revenue growth.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Paris, FranceReported employees: 10001+ | Paris, France | 10001+ | Exact match | 1,824 contacts → |
“The Concentrix B2B sales practice is here to design, build and run projects for our clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: St Petersburg, RussiaReported employees: 1,001-5,000 | St Petersburg, Russia | 1,001-5,000 | Exact match | 1,318 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Doral, FL, United StatesReported employees: 1,001-5,000 | Doral, FL, United States | 1,001-5,000 | Exact match | 969 contacts → |
“Our Company Inktel is a leading business process outsourcer that specializes in creating personalized call center solutions which enable our clients to increase market share…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Campinas, BrazilReported employees: 501-1,000 | Campinas, Brazil | 501-1,000 | Exact match | 874 contacts → |
“Em um mercado cada vez mais competitivo, onde a eficiência em vendas massificadas e externas é um desafio constante, a ZAZ Vendas surge como a resposta definitiva.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Durban, South AfricaReported employees: 501-1,000 | Durban, South Africa | 501-1,000 | Exact match | 740 contacts → |
“Established in 2010, Talksure has developed a reputation for being a respected financial services provider and outsource business services partner.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: St. Louis, MO, United StatesReported employees: 501-1,000 | St. Louis, MO, United States | 501-1,000 | Exact match | 732 contacts → |
“We book the qualified meetings that fill your pipeline for any B2B company ready to grow.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Appleton, FL, United StatesReported employees: 1,001-5,000 | Appleton, FL, United States | 1,001-5,000 | Exact match | 731 contacts → |
“Salelytics is now MarketSource.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Redwood City, CA, United StatesReported employees: Not recorded | Redwood City, CA, United States | Not recorded | Exact match | 725 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Jaipur, IndiaReported employees: 501-1,000 | Jaipur, India | 501-1,000 | Exact match | 681 contacts → |
“We at Girnar Care work towards customer satisfaction and it is also a center of customer excellence.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 619 contacts → |
“At Algominds, we build AI agents that find you customers who already want to buy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Cedar Rapids, IA, United StatesReported employees: 501-1,000 | Cedar Rapids, IA, United States | 501-1,000 | Exact match | 601 contacts → |
“Infinity is an award-winning inside sales agency and consulting firm with 30 years of experience helping B2B companies maximize sales and drive revenue.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Athens, GA, IndiaReported employees: 201-500 | Athens, GA, India | 201-500 | Exact match | 580 contacts → |
“From initial market awareness to the final stages of a complex B2B buying journey, modern buyers crave authentic interaction.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Sterling Heights, United StatesReported employees: 51-200 | Sterling Heights, United States | 51-200 | Exact match | 530 contacts → |
“movingDneedle is a Business to Business Sales Lead Generation Company that provides fast and scalable, sales qualified leads through its unique Personalized Email Marketing…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: San Jose, United StatesReported employees: 201-500 | San Jose, United States | 201-500 | Exact match | 490 contacts → |
“InfoAnalytica is a B2B sales acceleration partner for mid-market and enterprise companies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Paris, FranceReported employees: 1,001-5,000 | Paris, France | 1,001-5,000 | Exact match | 452 contacts → |
“Avec un CA de 35 M € et 1200 collaborateurs, le groupe EURO CRM compte aujourd'hui parmi les acteurs majeurs du marché de la gestion de la relation client à distance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 448 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | HQ: Hurst, TX, United StatesReported employees: 51-200 | Hurst, TX, United States | 51-200 | Exact match | 443 contacts → |
“Alliance is a domestically operated, internationally recognized professional contact center specializing in lead generation and appointment setting.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Nagpur, IndiaReported employees: 51-200 | Nagpur, India | 51-200 | Exact match | 421 contacts → |
“TLM empowers businesses to generate revenue through their qualified leads.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Fort Worth, United StatesReported employees: 501-1,000 | Fort Worth, United States | 501-1,000 | Exact match | 417 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Sao Jose Do Rio Preto, BrazilReported employees: 501-1,000 | Sao Jose Do Rio Preto, Brazil | 501-1,000 | Exact match | 404 contacts → |
“A Cobmax é uma Sales Center com inteligência em vendas, fruto de metodologia própria, testada e aprovada em 11 anos de experiência.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Bloomington, MN, United StatesReported employees: 1,001-5,000 | Bloomington, MN, United States | 1,001-5,000 | Exact match | 398 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Austin, TX, United StatesReported employees: 201-500 | Austin, TX, United States | 201-500 | Exact match | 386 contacts → |
“EBQ is an outsourced sales and marketing organization that provides services to help companies scale.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 9,402 company matches
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Inside sales services: dataset insights
November 6, 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
9,377 records in the displayed employee bands.
25 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 9,402 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 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 ↗
Inside sales services by location
46 lists · largest firstEvery Inside sales services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Inside sales services based in the United States1,924
- Inside sales services based in India754
- Inside sales services based in the United Kingdom699
- Inside sales services based in France323
- Inside sales services based in Brazil252
- Inside sales services based in Germany240
- Inside sales services based in Canada227
- Inside sales services based in the Netherlands222
- Inside sales services based in the Philippines189
- Inside sales services based in Australia145
- Inside sales services based in Spain136
- Inside sales services based in the United Arab Emirates83
- Inside sales services based in South Africa80
- Inside sales services based in Sweden75
- Inside sales services based in Finland60
- Inside sales services based in Italy60
- Inside sales services based in Denmark57
- Inside sales services based in Belgium51
- Inside sales services based in Singapore51
- Inside sales services based in Poland50
- Inside sales services based in Ukraine47
- Inside sales services based in Israel43
- Inside sales services based in Ireland38
- Inside sales services based in Norway37
- Inside sales services based in Switzerland35
- Inside sales services based in New Zealand33
Cities
- Inside sales services based in London, United Kingdom222
- Inside sales services based in Pune, India155
- Inside sales services based in New York, United States110
- Inside sales services based in Paris, France104
- Inside sales services based in Sao Paulo, Brazil79
- Inside sales services based in Bangalore, India77
- Inside sales services based in Toronto, Canada71
- Inside sales services based in Los Angeles, United States64
- Inside sales services based in Dubai, United Arab Emirates62
- Inside sales services based in Sheridan, United States55
- Inside sales services based in San Francisco, United States52
- Inside sales services based in Singapore, Singapore48
- Inside sales services based in Miami, United States47
- Inside sales services based in Madrid, Spain40
- Inside sales services based in Austin, United States39
- Inside sales services based in Sydney, Australia39
- Inside sales services based in Stockholm, Sweden36
- Inside sales services based in Berlin, Germany31
- Inside sales services based in Barcelona, Spain26
- Inside sales services based in San Diego, United States26
Questions about this company list
What does Exact match mean for inside sales services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many inside sales services did RevenueBase find worldwide?
The saved snapshot records 9,402 matching company records, 115,797 tracked contacts and 12,112 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 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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RevenueBase Data Team. Top 25 inside sales services worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/inside-sales-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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Top 25 inside sales services worldwide
RevenueBase records 9,402 matching company records for inside sales services worldwide, with 115,797 tracked contacts and 12,112 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 inside sales services worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HQ: Medellín, ColombiaReported employees: 10001+ | Medellín, Colombia | 10001+ | Exact match | 6,207 contacts → |
“Maximizamos el valor de cada contacto de las empresas con sus clientes, gestionando los procesos de relacionamiento a través de canales tefónicos, virtuales y presenciales.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Berwyn, PA, United StatesReported employees: 5,001-10,000 | Berwyn, PA, United States | 5,001-10,000 | Exact match | 3,116 contacts → |
“Advanced Call Center Technologies, LLC (ACT) is a premier provider of domestic (USA), near shore and far shore outsourced call center services to the financial services, mortgage…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Ogden, United StatesReported employees: 1,001-5,000 | Ogden, United States | 1,001-5,000 | Exact match | 2,619 contacts → |
“MarketStar is a global B2B sales outsourcing leader with 38+ years of experience driving predictable revenue growth.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Paris, FranceReported employees: 10001+ | Paris, France | 10001+ | Exact match | 1,824 contacts → |
“The Concentrix B2B sales practice is here to design, build and run projects for our clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: St Petersburg, RussiaReported employees: 1,001-5,000 | St Petersburg, Russia | 1,001-5,000 | Exact match | 1,318 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Doral, FL, United StatesReported employees: 1,001-5,000 | Doral, FL, United States | 1,001-5,000 | Exact match | 969 contacts → |
“Our Company Inktel is a leading business process outsourcer that specializes in creating personalized call center solutions which enable our clients to increase market share…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Campinas, BrazilReported employees: 501-1,000 | Campinas, Brazil | 501-1,000 | Exact match | 874 contacts → |
“Em um mercado cada vez mais competitivo, onde a eficiência em vendas massificadas e externas é um desafio constante, a ZAZ Vendas surge como a resposta definitiva.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Durban, South AfricaReported employees: 501-1,000 | Durban, South Africa | 501-1,000 | Exact match | 740 contacts → |
“Established in 2010, Talksure has developed a reputation for being a respected financial services provider and outsource business services partner.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: St. Louis, MO, United StatesReported employees: 501-1,000 | St. Louis, MO, United States | 501-1,000 | Exact match | 732 contacts → |
“We book the qualified meetings that fill your pipeline for any B2B company ready to grow.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Appleton, FL, United StatesReported employees: 1,001-5,000 | Appleton, FL, United States | 1,001-5,000 | Exact match | 731 contacts → |
“Salelytics is now MarketSource.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Redwood City, CA, United StatesReported employees: Not recorded | Redwood City, CA, United States | Not recorded | Exact match | 725 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Jaipur, IndiaReported employees: 501-1,000 | Jaipur, India | 501-1,000 | Exact match | 681 contacts → |
“We at Girnar Care work towards customer satisfaction and it is also a center of customer excellence.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 619 contacts → |
“At Algominds, we build AI agents that find you customers who already want to buy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Cedar Rapids, IA, United StatesReported employees: 501-1,000 | Cedar Rapids, IA, United States | 501-1,000 | Exact match | 601 contacts → |
“Infinity is an award-winning inside sales agency and consulting firm with 30 years of experience helping B2B companies maximize sales and drive revenue.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Athens, GA, IndiaReported employees: 201-500 | Athens, GA, India | 201-500 | Exact match | 580 contacts → |
“From initial market awareness to the final stages of a complex B2B buying journey, modern buyers crave authentic interaction.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Sterling Heights, United StatesReported employees: 51-200 | Sterling Heights, United States | 51-200 | Exact match | 530 contacts → |
“movingDneedle is a Business to Business Sales Lead Generation Company that provides fast and scalable, sales qualified leads through its unique Personalized Email Marketing…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: San Jose, United StatesReported employees: 201-500 | San Jose, United States | 201-500 | Exact match | 490 contacts → |
“InfoAnalytica is a B2B sales acceleration partner for mid-market and enterprise companies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Paris, FranceReported employees: 1,001-5,000 | Paris, France | 1,001-5,000 | Exact match | 452 contacts → |
“Avec un CA de 35 M € et 1200 collaborateurs, le groupe EURO CRM compte aujourd'hui parmi les acteurs majeurs du marché de la gestion de la relation client à distance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 448 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | HQ: Hurst, TX, United StatesReported employees: 51-200 | Hurst, TX, United States | 51-200 | Exact match | 443 contacts → |
“Alliance is a domestically operated, internationally recognized professional contact center specializing in lead generation and appointment setting.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Nagpur, IndiaReported employees: 51-200 | Nagpur, India | 51-200 | Exact match | 421 contacts → |
“TLM empowers businesses to generate revenue through their qualified leads.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Fort Worth, United StatesReported employees: 501-1,000 | Fort Worth, United States | 501-1,000 | Exact match | 417 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Sao Jose Do Rio Preto, BrazilReported employees: 501-1,000 | Sao Jose Do Rio Preto, Brazil | 501-1,000 | Exact match | 404 contacts → |
“A Cobmax é uma Sales Center com inteligência em vendas, fruto de metodologia própria, testada e aprovada em 11 anos de experiência.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Bloomington, MN, United StatesReported employees: 1,001-5,000 | Bloomington, MN, United States | 1,001-5,000 | Exact match | 398 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Austin, TX, United StatesReported employees: 201-500 | Austin, TX, United States | 201-500 | Exact match | 386 contacts → |
“EBQ is an outsourced sales and marketing organization that provides services to help companies scale.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 9,402 company matches
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Inside sales services: dataset insights
November 6, 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
9,377 records in the displayed employee bands.
25 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 9,402 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 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 ↗
Inside sales services by location
46 lists · largest firstEvery Inside sales services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Inside sales services based in the United States1,924
- Inside sales services based in India754
- Inside sales services based in the United Kingdom699
- Inside sales services based in France323
- Inside sales services based in Brazil252
- Inside sales services based in Germany240
- Inside sales services based in Canada227
- Inside sales services based in the Netherlands222
- Inside sales services based in the Philippines189
- Inside sales services based in Australia145
- Inside sales services based in Spain136
- Inside sales services based in the United Arab Emirates83
- Inside sales services based in South Africa80
- Inside sales services based in Sweden75
- Inside sales services based in Finland60
- Inside sales services based in Italy60
- Inside sales services based in Denmark57
- Inside sales services based in Belgium51
- Inside sales services based in Singapore51
- Inside sales services based in Poland50
- Inside sales services based in Ukraine47
- Inside sales services based in Israel43
- Inside sales services based in Ireland38
- Inside sales services based in Norway37
- Inside sales services based in Switzerland35
- Inside sales services based in New Zealand33
Cities
- Inside sales services based in London, United Kingdom222
- Inside sales services based in Pune, India155
- Inside sales services based in New York, United States110
- Inside sales services based in Paris, France104
- Inside sales services based in Sao Paulo, Brazil79
- Inside sales services based in Bangalore, India77
- Inside sales services based in Toronto, Canada71
- Inside sales services based in Los Angeles, United States64
- Inside sales services based in Dubai, United Arab Emirates62
- Inside sales services based in Sheridan, United States55
- Inside sales services based in San Francisco, United States52
- Inside sales services based in Singapore, Singapore48
- Inside sales services based in Miami, United States47
- Inside sales services based in Madrid, Spain40
- Inside sales services based in Austin, United States39
- Inside sales services based in Sydney, Australia39
- Inside sales services based in Stockholm, Sweden36
- Inside sales services based in Berlin, Germany31
- Inside sales services based in Barcelona, Spain26
- Inside sales services based in San Diego, United States26
Questions about this company list
What does Exact match mean for inside sales services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many inside sales services did RevenueBase find worldwide?
The saved snapshot records 9,402 matching company records, 115,797 tracked contacts and 12,112 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 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 inside sales services worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/inside-sales-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗