Company lists · Data refreshed November 2026

Top 25 Martech marketing agencies worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 157,566 companies tracked

RevenueBase identified 157,566 company matches for martech marketing agencies worldwide as of November 2026 and tracks 1,113,051 professional contacts across them, including 227,696 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for martech 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 November 6, 2026. Country and city lists for martech 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 Nov 6, 2026 How this list was built

157,566Companies

1,113,051Contacts tracked

227,696Verified emails

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The 25 largest martech marketing agencies worldwide

Ranked by team size

Top 25 of 157,566 company matches for martech marketing agencies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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	Prefeitura Municipal	Exact match	BrazilHQ recorded Nov 6, 2026	n/a	29,800 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Epsilon	Exact match	Irving, United StatesHQ recorded Nov 6, 2026	5,001-10,000	10,260 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 · Nov 6, 2026 · View company records in RevenueBase
3	MONKS	Exact match	London, United KingdomHQ recorded Nov 6, 2026	5,001-10,000	6,339 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 · Nov 6, 2026 · View company records in RevenueBase
4	HIBU	Exact match	Cedar Rapids, IA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	4,702 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 · Nov 6, 2026 · View company records in RevenueBase
5	Zoominfo	Exact match	Vancouver, MA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	4,262 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 · Nov 6, 2026 · View company records in RevenueBase
6	IO	Exact match	Herentals, BelgiumHQ recorded Nov 6, 2026	1,001-5,000	3,790 contacts →
	Exact match “iO is an AI-native partner in marketing and technology, with experts across 12 campuses in Belgium, the Netherlands, Sweden, Denmark and Bulgaria.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Xdbs Worldwide	Exact match	Dubai, United Arab EmiratesHQ recorded Nov 6, 2026	1,001-5,000	3,609 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 · Nov 6, 2026 · View company records in RevenueBase
8	Oliver The Brandtech Group	Exact match	London, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	3,512 contacts →
	Exact match “OLIVER is the world's #1 in-housing expert, designing, building, and running AI-powered marketing organizations inside the world's biggest brands.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	DEPT	Exact match	Amsterdam, NetherlandsHQ recorded Nov 6, 2026	1,001-5,000	3,470 contacts →
	Exact match “DEPT® is a Growth Invention company built to help the world’s most ambitious brands grow faster.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Zeta Global	Exact match	New York, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,122 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 · Nov 6, 2026 · View company records in RevenueBase
11	Essencemediacom	Exact match	London, United KingdomHQ recorded Nov 6, 2026	10001+	2,966 contacts →
	Exact match “We discover the breakthroughs that brands need to win.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Digitas North America	Exact match	Boston, MA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,860 contacts →
	Exact match “Digitas is the Networked Experience Agency, built on the vision that we create magnetic experiences that earn the right for brands to exist in human networks.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Kinesso	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	5,001-10,000	2,407 contacts →
	Exact match “KINESSO is the technology-driven performance marketing agency within Omnicom Media that provides actionable growth for both agency partners and clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	BRAZE	Exact match	New York, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,328 contacts →
	Exact match “Braze is the leading customer engagement platform that empowers brands to Be Absolutely Engaging.™ Braze allows any marketer to collect and take action on any amount of data from…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Jellyfish	Exact match	London, JapanHQ recorded Nov 6, 2026	1,001-5,000	2,130 contacts →
	Exact match “Jellyfish \| Move Faster.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Credera	Exact match	Addison, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,991 contacts →
	Exact match “Credera empowers the world’s leading brands to navigate the complexities of data, technology, and marketing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Marketizon	Exact match	London, United KingdomHQ recorded Nov 6, 2026	n/a	1,989 contacts →
	Exact match “Marketizon is the leader in developing innovative, multi-channel marketing technologies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Razorfish	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,912 contacts →
	Exact match “Hi there!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Bluefocus	Exact match	Chaoyang District, ChinaHQ recorded Nov 6, 2026	1,001-5,000	1,847 contacts →
	Exact match “BlueFocus Communication Group (SZSE: is one of the world’s top marketing communications groups and China’s largest overseas marketing company, empowering businesses with…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Stackadapt	Exact match	Toronto, ON, CanadaHQ recorded Nov 6, 2026	1,001-5,000	1,833 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 · Nov 6, 2026 · View company records in RevenueBase
21	Constant Contact	Exact match	Waltham, MA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,716 contacts →
	Exact match “We deliver for small businesses with powerful tools to simplify and amplify digital marketing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Optimizely	Exact match	New York, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,642 contacts →
	Exact match “Optimizely is the AI platform for marketing, built for the experience-makers who shape how brands show up in the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Power Digital Marketing	Exact match	San Diego, VA, United StatesHQ recorded Nov 6, 2026	501-1,000	1,635 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 · Nov 6, 2026 · View company records in RevenueBase
24	Schbang	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	1,001-5,000	1,606 contacts →
	Exact match “Schbang is a Creative, Media & Technology Transformation Company founded in 2015 by Harshil Karia & , Sohil Karia.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Appsflyer	Exact match	San Francisco, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,583 contacts →
	Exact match “AppsFlyer is the Modern Marketing Cloud that helps businesses transform complex data into clarity and growth.” 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 “martech 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 157,566 martech marketing agencies worldwide

See the full list, filter by size, metro and specialty, and access 227,696 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Martech marketing agencies worldwide at a glance

As of Nov 6, 2026

20.5%Verified-email coverage

7.1Average contacts per company

1-10Median size (employees)

1.8%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

108,406

11-50

41,085

51-200

5,971

201-500

1,200

501-1,000

288

1,001-5,000

173

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 martech marketing agencies are linked below.
What qualifies: Company records worldwide whose business descriptions match “martech 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 227,696 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.

Martech marketing agencies by location

537 lists · largest first

Every Martech 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 “martech marketing agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many martech marketing agencies are there worldwide?

RevenueBase identified 157,566 company matches for martech marketing agencies 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?

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

Which country has the most martech marketing agencies?

The United States leads with 31,040 companies, followed by India (21,564) and the United Kingdom (8,493). Every martech marketing agencies list by country and city is linked on this page.

Which city has the most martech marketing agencies?

London leads with 2862 company records, followed by Dubai (1901) and Sao Paulo (1706).

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 227,696 professional contacts with verified work emails tracked across these 157,566 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.

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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.