Company lists · Data refreshed September 2026

Top 25 Outsourced sales and marketing companies worldwide

RevenueBase identified 31,517 company matches for outsourced sales and marketing companies worldwide as of September 2026 and tracks 314,514 professional contacts across them, including 40,692 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for outsourced sales and marketing 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 21, 2026. Country and city lists for outsourced sales and marketing 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 21, 2026 How this list was built
31,517Companies
314,514Contacts tracked
40,692Verified emails
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The 25 largest outsourced sales and marketing companies worldwide

Ranked by team size
Top 25 of 31,517 company matches for outsourced sales and marketing companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 21, 202610001+4,245 contacts →

Exact match

“We are Sales Specialists.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchVancouver, WA, United StatesHQ recorded Sep 21, 20261,001-5,0004,029 contacts →

Exact match

“ZoomInfo (NASDAQ: GTM) is the go-to-market platform that helps businesses find, acquire and grow their customers.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchDubai, United Arab EmiratesHQ recorded Sep 21, 20261,001-5,0003,498 contacts →

Exact match

“At XDBS, we primarily work with media agencies, publishers and marketing companies looking to leverage marketing automation and digital marketing capacity and capability to…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchAlpharetta, GA, United StatesHQ recorded Sep 21, 20265,001-10,0003,063 contacts →

Exact match

“MarketSource, an Allegis Group company, is a sales acceleration company focused on delivering better outcomes for many of the world’s most iconic brands.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchBerwyn, PA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
6Exact matchNew York, NY, United StatesHQ recorded Sep 21, 202610001+2,682 contacts →

Exact match

“Interpublic has been acquired by Omnicom, the world's leading marketing and sales company.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchOgden, UT, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
8Exact matchNoida, IndiaHQ recorded Sep 21, 20265,001-10,0002,270 contacts →

Exact match

“We are revenue AI-X-lerators.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchToshima-ku, JapanHQ recorded Sep 21, 202610001+1,987 contacts →

Exact match

“transcosmos launched its operations in 1966.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchParis, FranceHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
11Exact matchGurgaon, IndiaHQ recorded Sep 21, 20265,001-10,0001,697 contacts →

Exact match

“Channelplay is India’s leading tech-enabled channel execution company.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchNoida, IndiaHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
13Exact matchSan Diego, CA, United StatesHQ recorded Sep 21, 2026501-1,0001,570 contacts →

Exact match

“Power Digital is a growth marketing firm fueled by technology and driven by a talented team of consultative marketers, creatives, analysts and technologists.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchLake Forest, CA, United StatesHQ recorded Sep 21, 20261,001-5,0001,530 contacts →

Exact match

“BDS Connected Solutions offers a complete suite of solutions that blend Advocacy, Assisted Sales, Training, Virtual, Retail, Experiential, Merchandising, Break Fix, Installations…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchBogotá, ColombiaHQ recorded Sep 21, 20261,001-5,0001,363 contacts →

Exact match

“Las conexiones más poderosas surgen de interacciones sencillas que marcan la diferencia.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchFort Lee, NJ, United StatesHQ recorded Sep 21, 20261,001-5,0001,319 contacts →

Exact match

“TRANZACT is the market leader in delivering high-volume sales for the top insurance brands in America.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchWaltham, MA, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
18Exact matchChicago, IL, United StatesHQ recorded Sep 21, 2026n/a1,188 contacts →

Exact match

“Credico is the world's leading face-to-face customer acquisition agency, helping our clients attract and retain loyal customers.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchBoston, United StatesHQ recorded Sep 21, 20261,001-5,0001,087 contacts →

Exact match

“With proprietary data and omni-channel activation like events, content, programmatic and chat, we cut through the noise to reach entire buyer groups, driving engagement and impact…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchMiami, FL, United StatesHQ recorded Sep 21, 2026201-5001,068 contacts →

Exact match

“CIENCE Technologies, Inc, founded in 2015 and headquartered in Denver, CO, is a pioneering global company in lead generation software and services, committed to transforming the…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchDoral, FL, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
22Exact matchParis, FranceHQ recorded Sep 21, 2026501-1,000887 contacts →

Exact match

“Adecco Outsourcing propose aux entreprises des solutions d’externalisation dédiées à l’Accueil en entreprise, à l’Evènementiel, au Marketing terrain et aux activités de production…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchTysons, VA, United StatesHQ recorded Sep 21, 2026501-1,000825 contacts →

Exact match

“memoryBlue is the go-to partner for revenue leaders in B2B Tech looking to grow their pipeline engine.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchNew York, NY, United StatesHQ recorded Sep 21, 2026501-1,000806 contacts →

Exact match

“We are innovators, problem solvers, thought leaders, and above all else, a team.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchUnited StatesHQ recorded Sep 21, 2026n/a802 contacts →

Exact match

“Nope in Chicago, IL officially opened on September 21, 2012 working with clients in the telecommunications, restaurant, and energy retail industry.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 31,517 outsourced sales and marketing companies worldwide

See the full list, filter by size, metro and specialty, and access 40,692 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Outsourced sales and marketing companies worldwide at a glance

As of Sep 21, 2026
12.9%Verified-email coverage
10.0Average contacts per company
1-10Median size (employees)
2.2%Largest-city concentration · London
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
18,774
11-50
9,201
51-200
2,562
201-500
621
501-1,000
171
1,001-5,000
102
5,001-10,000
23
10001+
27

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 outsourced sales and marketing companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “outsourced sales and marketing 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 40,692 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 21, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Outsourced sales and marketing companies by location

116 lists · largest first

Every Outsourced sales and marketing 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 “outsourced sales and marketing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many outsourced sales and marketing companies are there worldwide?

RevenueBase identified 31,517 company matches for outsourced sales and marketing 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 outsourced sales and marketing companies?

The United States leads with 7,999 companies, followed by India (2,498) and the United Kingdom (2,316). Every outsourced sales and marketing companies list by country and city is linked on this page.

Which city has the most outsourced sales and marketing companies?

London leads with 684 company records, followed by Pune (506) and New York (314).

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 40,692 professional contacts with verified work emails tracked across these 31,517 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 2026.

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About this data

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