Company lists · Data refreshed September 2026

Top 25 Outsourced sales and marketing agencies worldwide

Name: Outsourced sales and marketing agencies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 44,952 companies tracked

RevenueBase identified 44,952 company matches for outsourced sales and marketing agencies worldwide as of September 2026 and tracks 426,039 professional contacts across them, including 61,930 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 agencies 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 agencies 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

44,952Companies

426,039Contacts tracked

61,930Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest outsourced sales and marketing agencies worldwide

Ranked by team size

Top 25 of 44,952 company matches for outsourced sales and marketing agencies 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Salesland	Exact match	Madrid, MexicoHQ recorded Sep 21, 2026	10001+	4,245 contacts →
	Exact match “We are Sales Specialists.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	Zoominfo	Exact match	Vancouver, WA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	4,029 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
3	Xdbs Worldwide	Exact match	Dubai, United Arab EmiratesHQ recorded Sep 21, 2026	1,001-5,000	3,498 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
4	Marketsource INC	Exact match	Alpharetta, GA, United StatesHQ recorded Sep 21, 2026	5,001-10,000	3,063 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
5	Advanced Call Center Technologies, LLC	Exact match	Berwyn, PA, United StatesHQ recorded Sep 21, 2026	5,001-10,000	2,774 contacts →
	Exact match “Advanced Call Center Technologies, LLC (ACT) is a premier provider of domestic (USA), near shore and far shore outsourced call center services to the financial services, mortgage…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	KKM	Exact match	Woonsocket, RI, United StatesHQ recorded Sep 21, 2026	n/a	2,747 contacts →
	Exact match “Founded in 1977, KKM is a customer-driven, knowledge and data based sales and service organization.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	Interpublic Group IPG	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	10001+	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
8	Marketstar	Exact match	Ogden, UT, United StatesHQ recorded Sep 21, 2026	1,001-5,000	2,446 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
9	Denave	Exact match	Noida, IndiaHQ recorded Sep 21, 2026	5,001-10,000	2,270 contacts →
	Exact match “We are revenue AI-X-lerators.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	Transcosmos INC	Exact match	Toshima-ku, JapanHQ recorded Sep 21, 2026	10001+	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
11	Webhelp Enterprise	Exact match	Paris, FranceHQ recorded Sep 21, 2026	10001+	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
12	Channelplay Limited	Exact match	Gurgaon, IndiaHQ recorded Sep 21, 2026	5,001-10,000	1,697 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
13	Netambit	Exact match	Noida, IndiaHQ recorded Sep 21, 2026	10001+	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
14	Power Digital Marketing	Exact match	San Diego, CA, United StatesHQ recorded Sep 21, 2026	501-1,000	1,570 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
15	BDS Connected Solutions, LLC	Exact match	Lake Forest, CA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,530 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
16	BRM S.A.S	Exact match	Bogotá, ColombiaHQ recorded Sep 21, 2026	1,001-5,000	1,363 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
17	Tranzact	Exact match	Fort Lee, NJ, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,319 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
18	Full Potential Solutions	Exact match	Waltham, MA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,238 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
19	Credico	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	n/a	1,188 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
20	Demandscience	Exact match	Boston, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,087 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
21	Cience	Exact match	Miami, FL, United StatesHQ recorded Sep 21, 2026	201-500	1,068 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
22	Inktel Contact Center Solutions	Exact match	Doral, FL, United StatesHQ recorded Sep 21, 2026	1,001-5,000	902 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
23	Adecco Outsourcing	Exact match	Paris, FranceHQ recorded Sep 21, 2026	501-1,000	887 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
24	CPM France	Exact match	Neuilly Sur Seine, FranceHQ recorded Sep 21, 2026	1,001-5,000	877 contacts →
	Exact match “CPM France associe vente, marketing et expérience client afin d'influencer l'ensemble du parcours client.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25	IVE Group	Exact match	Sydney, AustraliaHQ recorded Sep 21, 2026	1,001-5,000	860 contacts →
	Exact match “IVE Group is Australia’s largest diversified marketing company.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “outsourced sales and marketing agencies”. 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 44,952 outsourced sales and marketing agencies worldwide

See the full list, filter by size, metro and specialty, and access 61,930 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Outsourced sales and marketing agencies worldwide at a glance

As of Sep 21, 2026

14.5%Verified-email coverage

9.5Average contacts per company

1-10Median size (employees)

2.3%Largest-city concentration · London

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

27,998

11-50

12,545

51-200

3,137

201-500

790

501-1,000

222

1,001-5,000

151

5,001-10,000

10001+

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 agencies are linked below.
What qualifies: Company records worldwide whose business descriptions match “outsourced sales and marketing agencies” 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 61,930 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 agencies by location

159 lists · largest first

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

How many outsourced sales and marketing agencies are there worldwide?

RevenueBase identified 44,952 company matches for outsourced sales and marketing agencies 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 agencies?

The United States leads with 10,831 companies, followed by the United Kingdom (3,366) and India (3,208). Every outsourced sales and marketing agencies list by country and city is linked on this page.

Which city has the most outsourced sales and marketing agencies?

London leads with 1014 company records, followed by Pune (580) and Sao Paulo (530).

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 61,930 professional contacts with verified work emails tracked across these 44,952 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.

Ready to reach these companies? Verified emails and direct dials for all 44,952 outsourced sales and marketing agencies worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

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.