Company lists · Data refreshed September 2026

Top 25 Offshore sales outsourcing companies worldwide

RevenueBase identified 7,025 company matches for offshore sales outsourcing companies worldwide as of September 2026 and tracks 134,483 professional contacts across them, including 13,594 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for offshore sales outsourcing 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 September 29, 2026. Country and city lists for offshore sales outsourcing companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 29, 2026 How this list was built
7,025Companies
134,483Contacts tracked
13,594Verified emails
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The 25 largest offshore sales outsourcing companies worldwide

Ranked by team size
Top 25 of 7,025 company matches for offshore sales outsourcing companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchMadrid, MexicoHQ recorded Sep 29, 202610001+4,245 contacts →

Exact match

“We are Sales Specialists.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchBerwyn, PA, United StatesHQ recorded Sep 29, 20265,001-10,0002,774 contacts →

Exact match

“Advanced Call Center Technologies, LLC (ACT) is a premier provider of domestic (USA), near shore and far shore outsourced call center services to the financial services, mortgage…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchEagan, MN, United StatesHQ recorded Sep 29, 202610001+2,772 contacts →

Exact match

“Stream Global Services is a premium business process outsource (BPO) service provider specializing in customer relationship management solutions including sales, customer care…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchOgden, UT, United StatesHQ recorded Sep 29, 20261,001-5,0002,446 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 · Sep 29, 2026 · View company records in RevenueBase
5Exact matchToshima-ku, JapanHQ recorded Sep 29, 202610001+1,987 contacts →

Exact match

“transcosmos launched its operations in 1966.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchGuatemalaHQ recorded Sep 29, 20265,001-10,0001,979 contacts →

Exact match

“Regardless of your Company’s size (from Start-ups to Fortune 500), business vertical or service requirements, we act as a seamless extension of your team to help you grow, and…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchParis, FranceHQ recorded Sep 29, 202610001+1,795 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 · Sep 29, 2026 · View company records in RevenueBase
8Exact matchNoida, IndiaHQ recorded Sep 29, 202610001+1,584 contacts →

Exact match

“NetAmbit helps businesses build a sustainable advantage by accelerating growth in high-touch offline areas.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchCiudad Autónoma De Buenos Aires, ArgentinaHQ recorded Sep 29, 20261,001-5,0001,265 contacts →

Exact match

“Provincia NET part of the Provincia Group is Argentina’s leading offshore provider.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchWaltham, MA, United StatesHQ recorded Sep 29, 20261,001-5,0001,238 contacts →

Exact match

“Full Potential Solutions (FPS) is a new kind of performance-based outsourcing firm that puts culture and employees first, because we believe that happy, fulfilled teams accomplish…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchSt Petersburg, FL, RussiaHQ recorded Sep 29, 20261,001-5,0001,198 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 · Sep 29, 2026 · View company records in RevenueBase
12Exact matchNew Delhi, IndiaHQ recorded Sep 29, 20261,001-5,0001,166 contacts →

Exact match

“JindalX, part of OP Jindal Group, is a global service company creating success stories for over 20 years.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchAmman, JordanHQ recorded Sep 29, 20261,001-5,0001,128 contacts →

Exact match

“Crystel emerged as a leading Outsourcing Service Provider (OSP) since its establishment in Jordan in early 2007.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchMakati, PhilippinesHQ recorded Sep 29, 20261,001-5,0001,021 contacts →

Exact match

“D&V Philippines is a finance and accounting outsourcing company that helps CFOs, accounting firms, audit firms, and other professional services firms build reliable offshore…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchGennevilliers Cedex, FranceHQ recorded Sep 29, 202610001+978 contacts →

Exact match

“Expert de la relation client depuis 1996, b2s est le N°1 de l’externalisation de votre relation client en qualité délivrée.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchRockville, MD, United StatesHQ recorded Sep 29, 20261,001-5,000972 contacts →

Exact match

“Transparent BPO was founded to provide its clients with superior nearshore contact center services and business process outsourcing at competitive pricing.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchMedellín, ColombiaHQ recorded Sep 29, 20261,001-5,000933 contacts →

Exact match

“Solvo is a strategic partner in North America which provides back-office support for US-based companies and turns it into our front office.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchDoral, FL, United StatesHQ recorded Sep 29, 20261,001-5,000902 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 · Sep 29, 2026 · View company records in RevenueBase
19Exact matchCaracas, VenezuelaHQ recorded Sep 29, 2026n/a865 contacts →

Exact match

“Statistics first”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchQuezon City, PhilippinesHQ recorded Sep 29, 20261,001-5,000813 contacts →

Exact match

“Sourcefit is focused on providing custom offshore solutions.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchCampinas, BrazilHQ recorded Sep 29, 2026501-1,000796 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 · Sep 29, 2026 · View company records in RevenueBase
22Exact matchThame, United KingdomHQ recorded Sep 29, 202610001+777 contacts →

Exact match

“CPM is an international sales outsourcing and customer experience agency.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchAppleton, WI, United StatesHQ recorded Sep 29, 20261,001-5,000776 contacts →

Exact match

“Salelytics is now MarketSource.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchDurban, South AfricaHQ recorded Sep 29, 2026501-1,000718 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 · Sep 29, 2026 · View company records in RevenueBase
25Exact matchJaipur, IndiaHQ recorded Sep 29, 2026501-1,000649 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 · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 7,025 offshore sales outsourcing companies worldwide

See the full list, filter by size, metro and specialty, and access 13,594 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Offshore sales outsourcing companies worldwide at a glance

As of Sep 29, 2026
10.1%Verified-email coverage
19.1Average contacts per company
11-50Median size (employees)
2.0%Largest-city concentration · London
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
2,754
11-50
2,525
51-200
1,199
201-500
325
501-1,000
107
1,001-5,000
69
5,001-10,000
16
10001+
18

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for offshore sales outsourcing companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “offshore sales outsourcing 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 13,594 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 29, 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.

Offshore sales outsourcing companies by location

37 lists · largest first

Every Offshore sales outsourcing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “offshore sales outsourcing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many offshore sales outsourcing companies are there worldwide?

RevenueBase identified 7,025 company matches for offshore sales outsourcing companies worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

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

Which country has the most offshore sales outsourcing companies?

The United States leads with 1,210 companies, followed by India (832) and the United Kingdom (420). Every offshore sales outsourcing companies list by country and city is linked on this page.

Which city has the most offshore sales outsourcing companies?

London leads with 141 company records, followed by Lahore (99) and Pune (95).

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 13,594 professional contacts with verified work emails tracked across these 7,025 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.