Company lists · Data refreshed September 2026

Top 25 Outsourced martech companies worldwide

Name: Outsourced martech companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 29,992 companies tracked

RevenueBase identified 29,992 company matches for outsourced martech companies worldwide as of September 2026 and tracks 274,371 professional contacts across them, including 59,310 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for outsourced martech 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 martech 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

29,992Companies

274,371Contacts tracked

59,310Verified emails

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The 25 largest outsourced martech companies worldwide

Ranked by team size

Top 25 of 29,992 company matches for outsourced martech 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Epsilon	Exact match	Irving, TX, United StatesHQ recorded Sep 21, 2026	5,001-10,000	9,953 contacts →
	Exact match “Epsilon is a global leader in data and identity with deep expertise in digital media, clean rooms, customer data platforms, loyalty and marketing services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	MONKS	Exact match	London, United KingdomHQ recorded Sep 21, 2026	5,001-10,000	6,237 contacts →
	Exact match “Monks combines an extraordinary range of global marketing and technology services to accelerate business possibilities and redefine how brands and businesses interact with the…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	HIBU	Exact match	Cedar Rapids, IA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	4,426 contacts →
	Exact match “Hibu is a leading provider of technology-driven, integrated digital marketing solutions for America’s local businesses, trusted by tens of thousands of local business owners.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	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
5	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
6	Zeta Global	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	1,001-5,000	2,595 contacts →
	Exact match “At Zeta Global (NYSE: ZETA), we help enterprise brands and agencies Achieve the Impossible™ with superintelligent marketing.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	Affinityx	Exact match	Elgin, IL, United StatesHQ recorded Sep 21, 2026	1,001-5,000	2,258 contacts →
	Exact match “AffinityX is a new kind of technology company built on decades of operational process excellence.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	Caci LTD	Exact match	London, United KingdomHQ recorded Sep 21, 2026	1,001-5,000	1,663 contacts →
	Exact match “CACI offers an unrivalled range of data, marketing and IT solutions to a wide range of industries across both the public and private sectors.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	Stackadapt	Exact match	Toronto, ON, CanadaHQ recorded Sep 21, 2026	1,001-5,000	1,633 contacts →
	Exact match “StackAdapt is the leading technology company that empowers marketers to reach, engage, and convert audiences with precision.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	Localiq	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,534 contacts →
	Exact match “Grow your business with digital marketing powered by AI and local expertise.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	Grazitti Interactive	Exact match	Mountain View, CA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,506 contacts →
	Exact match “Grazitti Interactive is a digital innovation leader with offices in India, USA, Australia, and Singapore.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	Intuit Mailchimp	Exact match	Atlanta, GA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,483 contacts →
	Exact match “The Mailchimpossibilities are endless when you create, automate, and optimize your marketing with Mailchimp.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	Verticurl A WPP Company	Exact match	SingaporeHQ recorded Sep 21, 2026	1,001-5,000	1,256 contacts →
	Exact match “Verticurl, a division of Ogilvy, was established in 2006 with the mission to be the world’s leading marketing technology services agency for multinational organizations.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	Data Axle	Exact match	Dallas, TX, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,088 contacts →
	Exact match “Data Axle helps clients create a foundation of clean data, find new leads, develop winning strategies, design beautiful campaigns, and can handle all day-to-day execution needs” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	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
16	2x	Exact match	Malvern, PA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,046 contacts →
	Exact match “2X is the global leader in B2B marketing-as-a-service (MaaS), a subscription-based alternative to traditional B2B marketing delivery models.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	Logical Position	Exact match	Lake Oswego, OR, United StatesHQ recorded Sep 21, 2026	501-1,000	899 contacts →
	Exact match “Logical Position (LP) is an Inc.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	SEM	Exact match	Sariyer, TürkiyeHQ recorded Sep 21, 2026	n/a	883 contacts →
	Exact match “SEM is a global new generation consumer marketing and technologies brand where we combine growth consultancy, advanced analytics, digital marketing and technology services under…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	WEBFX	Exact match	Harrisburg, PA, United StatesHQ recorded Sep 21, 2026	501-1,000	866 contacts →
	Exact match “We're here to be your digital marketing growth partner in the AI era.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	Activecampaign	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	1,001-5,000	863 contacts →
	Exact match “ActiveCampaign is the AI-first autonomous marketing platform built to transform how marketers, agencies, and entrepreneurs work.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	Ziff Davis Performance Marketing	Exact match	Austin, TX, United StatesHQ recorded Sep 21, 2026	1,001-5,000	821 contacts →
	Exact match “ZDPM is the coming together of Salesify and DemandShore.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	Marigold	Exact match	Nashville, TN, United StatesHQ recorded Sep 21, 2026	201-500	820 contacts →
	Exact match “Marigold is a global marketing technology company focused on delivering relationship marketing solutions for growing organizations.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	Cadastra	Exact match	São Paulo, BrazilHQ recorded Sep 21, 2026	501-1,000	786 contacts →
	Exact match “We are a global company that blends digital marketing services, consulting and technology.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	Innerworkings	Exact match	London, United KingdomHQ recorded Sep 21, 2026	1,001-5,000	757 contacts →
	Exact match “Founded in 1991, HH Global is a global outsourced marketing execution provider.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25	Manlitics B2B Ites	Exact match	New York, United StatesHQ recorded Sep 21, 2026	501-1,000	750 contacts →
	Exact match “In an ERA of new and emerging digital mediums, we align our core expertise of today’s ever-changing technology with a clear understanding of traditional marketing methods without…” 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 martech companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 29,992 outsourced martech companies worldwide

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Outsourced martech companies worldwide at a glance

As of Sep 21, 2026

21.6%Verified-email coverage

9.1Average contacts per company

1-10Median size (employees)

2.0%Largest-city concentration · London

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

19,530

11-50

8,094

51-200

1,715

201-500

401

501-1,000

115

1,001-5,000

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 martech companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “outsourced martech 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 59,310 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 martech companies by location

124 lists · largest first

Every Outsourced martech 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 martech companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many outsourced martech companies are there worldwide?

RevenueBase identified 29,992 company matches for outsourced martech 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?

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

Which country has the most outsourced martech companies?

The United States leads with 7,460 companies, followed by India (4,049) and the United Kingdom (1,637). Every outsourced martech companies list by country and city is linked on this page.

Which city has the most outsourced martech companies?

London leads with 594 company records, followed by Pune (432) and New York (338).

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 59,310 professional contacts with verified work emails tracked across these 29,992 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.