Company lists · Data refreshed November 2026

Top 25 Marketing data agencies worldwide

Name: Marketing data agencies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 18,946 companies tracked

RevenueBase identified 18,946 company matches for marketing data agencies worldwide as of November 2026 and tracks 341,105 professional contacts across them, including 104,242 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for marketing data 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 marketing data 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

18,946Companies

341,105Contacts tracked

104,242Verified emails

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The 25 largest marketing data agencies worldwide

Ranked by team size

Top 25 of 18,946 company matches for marketing data 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	RRD	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	10001+	31,406 contacts →
	Exact match “RRD provides a complete portfolio of marketing, packaging, print and business services to the world’s most respected brands, including 92% of the Fortune 100.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	IPSOS	Exact match	Paris, FranceHQ recorded Nov 6, 2026	10001+	17,732 contacts →
	Exact match “In our world of rapid change, the need for reliable information to make confident decisions has never been greater.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Kantar	Exact match	London, United KingdomHQ recorded Nov 6, 2026	10001+	16,459 contacts →
	Exact match “Kantar is the world’s leading marketing data and analytics business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	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
5	Circana	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	5,001-10,000	6,003 contacts →
	Exact match “At Circana, we measure and accelerate demand.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Dynata	Exact match	Westport, CT, United StatesHQ recorded Nov 6, 2026	5,001-10,000	4,268 contacts →
	Exact match “At Dynata, we deliver the highest quality first-party data to help businesses around the world gain precise insights, activate the right audiences, and confidently measure impact.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Acxiom	Exact match	Conway, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,442 contacts →
	Exact match “Acxiom puts data to work, solving complex challenges for the world’s leading brands and agencies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	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
9	Dunnhumby	Exact match	Brook Green, AR, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,034 contacts →
	Exact match “dunnhumby helps businesses grow through faster, better decision making, as the essential intelligence layer connecting the world’s leading retailers and brands.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	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
11	Numerator	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	5,001-10,000	2,902 contacts →
	Exact match “Numerator is a data and tech company bringing speed and scale to market research.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	MRM	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,660 contacts →
	Exact match “MRM is a modern relationship marketing agency that builds enduring brand relationships.” 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	Caci LTD	Exact match	London, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	1,903 contacts →
	Exact match “From our headquarters in London, CACI empowers organisations to make bold, strategic decisions through the intelligent use of data and technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	IRI	Exact match	Chicago, AR, United StatesHQ recorded Nov 6, 2026	5,001-10,000	1,752 contacts →
	Exact match “IRI is a leading provider of big data, predictive analytics and forward-looking insights that help CPG, OTC healthcare, retailers and media companies to grow their businesses.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Infocepts	Exact match	Washington Dc, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,608 contacts →
	Exact match “Infocepts is a Databricks Silver Partner and data & AI consultancy specializing in decision intelligence for Retail, Media & Entertainment, and Life Sciences.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	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
18	Similarweb	Exact match	NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,378 contacts →
	Exact match “We power businesses with the best digital data.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Hearts & Science	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,278 contacts →
	Exact match “Hearts & Science, an Omnicom Media Group agency, transforms data signals into meaningful connections between brands and consumers that drive exponential growth.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Annalect	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	5,001-10,000	1,173 contacts →
	Exact match “Over a decade ago, Omnicom created Annalect to reimagine the future of marketing, at the crossroads of data, tech, analytics, and AI.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	UGAM	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	1,001-5,000	1,150 contacts →
	Exact match “Ugam, a Merkle company, is a leading analytics and technology services company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Data Axle	Exact match	Dallas, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,143 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 · Nov 6, 2026 · View company records in RevenueBase
23	Reed Business Information	Exact match	United KingdomHQ recorded Nov 6, 2026	10001+	1,140 contacts →
	Exact match “LexisNexis® Risk Solutions includes seven brands that span multiple industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	MMA Marketing Management Analytics	Exact match	Norwalk, NY, United StatesHQ recorded Nov 6, 2026	201-500	1,045 contacts →
	Exact match “Ipsos MMA is committed to enabling our clients to achieve significant brand and marketplace advantages by synergistically leveraging unified marketing & commercial measurement and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Mresult	Exact match	Mystic, United StatesHQ recorded Nov 6, 2026	501-1,000	962 contacts →
	Exact match “About MResult MResult is a leading data & analytics intelligence technology solutions provider to companies that value insights from information as a competitive advantage.” 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 “marketing data 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 18,946 marketing data agencies worldwide

See the full list, filter by size, metro and specialty, and access 104,242 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Marketing data agencies worldwide at a glance

As of Nov 6, 2026

30.6%Verified-email coverage

18.0Average contacts per company

1-10Median size (employees)

2.8%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

11,280

11-50

5,679

51-200

1,435

201-500

310

501-1,000

101

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 marketing data agencies are linked below.
What qualifies: Company records worldwide whose business descriptions match “marketing data 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 104,242 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.

Marketing data agencies by location

126 lists · largest first

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

How many marketing data agencies are there worldwide?

RevenueBase identified 18,946 company matches for marketing data 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?

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

Which country has the most marketing data agencies?

The United States leads with 4,545 companies, followed by India (1,999) and the United Kingdom (1,120). Every marketing data agencies list by country and city is linked on this page.

Which city has the most marketing data agencies?

London leads with 532 company records, followed by New York (344) and Sao Paulo (283).

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 104,242 professional contacts with verified work emails tracked across these 18,946 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.