Company lists · Data refreshed November 2026

Top 25 Advertising data platforms worldwide

Name: Advertising data platforms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 10,095 companies tracked

RevenueBase identified 10,095 company matches for advertising data platforms worldwide as of November 2026 and tracks 236,492 professional contacts across them, including 89,848 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for advertising data platforms 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 5, 2026. Country and city lists for advertising data platforms 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 5, 2026 How this list was built

10,095Companies

236,492Contacts tracked

89,848Verified emails

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The 25 largest advertising data platforms worldwide

Ranked by team size

Top 25 of 10,095 company matches for advertising data platforms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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	Kantar	Exact match	London, United KingdomHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
2	Epsilon	Exact match	Irving, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
3	Publicis Media	Exact match	London, United KingdomHQ recorded Nov 5, 2026	10001+	7,259 contacts →
	Exact match “Publicis Media harnesses the power of modern media through leading agency brands Dysrupt, Infinite Roar, Publicis Collective, Publicis Health Media, Spark Foundry, Starcom and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4	The Trade Desk	Exact match	Ventura, United StatesHQ recorded Nov 5, 2026	1,001-5,000	4,635 contacts →
	Exact match “It's more than just clicks.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5	PHD	Exact match	Bankside, United KingdomHQ recorded Nov 5, 2026	1,001-5,000	4,197 contacts →
	Exact match “Welcome to PHD.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	Acxiom	Exact match	Conway, NY, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
7	Zeta Global	Exact match	New York, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
8	Semrush	Exact match	Boston, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,345 contacts →
	Exact match “Semrush, An Adobe Company, is the leading digital brand visibility platform, empowering marketers to command their online presence and create measurable impact.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	media.net	Exact match	Dubai, United Arab EmiratesHQ recorded Nov 5, 2026	1,001-5,000	2,118 contacts →
	Exact match “Media.net is an independent advertising technology platform that helps publishers, advertisers, and agencies achieve measurable outcomes across all formats and mediums.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	Taboola	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,038 contacts →
	Exact match “Taboola empowers businesses to grow through performance advertising technology that goes beyond search and social and delivers measurable outcomes at scale.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	TEADS	Exact match	New York, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,867 contacts →
	Exact match “Teads Holding Co.(“Teads”)(Nasdaq: TEAD) is a leading omnichannel advertising platform focused on driving outcomes for brand and performance advertisers across screens.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12	Stackadapt	Exact match	Toronto, ON, CanadaHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
13	Appsflyer	Exact match	San Francisco, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
14	RTB House	Exact match	Warsaw, PolandHQ recorded Nov 5, 2026	1,001-5,000	1,439 contacts →
	Exact match “RTB House is a next-generation performance demand-side platform (DSP) that uses proprietary Deep Learning AI algorithms to help brands grow.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	Doubleverify	Exact match	New York, United StatesHQ recorded Nov 5, 2026	501-1,000	1,406 contacts →
	Exact match “DoubleVerify is a leading software platform for digital media measurement and analytics.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	Similarweb	Exact match	NY, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
17	Freewheel	Exact match	New York, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,355 contacts →
	Exact match “FreeWheel’s TV and video advertising technology is built for today’s ever-evolving multiscreen ecosystem.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	Inmobi Advertising	Exact match	Bangalore, IndiaHQ recorded Nov 5, 2026	1,001-5,000	1,349 contacts →
	Exact match “InMobi Advertising is a leading global programmatic platform specializing in mobile-first solutions that drive customer growth.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	Comscore, INC	Exact match	Reston, VA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,331 contacts →
	Exact match “Comscore (NASDAQ: SCOR) is a global, trusted partner for planning, transacting and evaluating media across platforms.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	Pubmatic	Exact match	Redwood City, United StatesHQ recorded Nov 5, 2026	501-1,000	1,285 contacts →
	Exact match “PubMatic is the leading AI-powered ad tech company delivering digital advertising performance.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	Mediaocean	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,111 contacts →
	Exact match “Mediaocean is powering the future of the advertising ecosystem with technology that empowers brands and agencies to deliver impactful omnichannel marketing experiences.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Integral AD Science	Exact match	New York, United StatesHQ recorded Nov 5, 2026	501-1,000	1,020 contacts →
	Exact match “Integral Ad Science (IAS) is a leading global platform that connects AI-powered media quality to real business outcomes, from brand perception to sales lift.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	Moloco	Exact match	Menlo Park, CA, United StatesHQ recorded Nov 5, 2026	501-1,000	983 contacts →
	Exact match “Moloco’s mission is to be the scaling engine for the internet economy, applying AI to help businesses of all sizes grow.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	Magnite	Exact match	United StatesHQ recorded Nov 5, 2026	501-1,000	953 contacts →
	Exact match “We’re Magnite (NASDAQ: MGNI), the world’s largest independent sell-side advertising company.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Smartly	Exact match	Helsinki, FinlandHQ recorded Nov 5, 2026	501-1,000	922 contacts →
	Exact match “Smartly is the AI-powered advertising technology company transforming ad experiences for brands and their consumers.” Recorded in the RevenueBase company graph · Nov 5, 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 “advertising data platforms”. 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 10,095 advertising data platforms worldwide

See the full list, filter by size, metro and specialty, and access 89,848 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Advertising data platforms worldwide at a glance

As of Nov 5, 2026

38.0%Verified-email coverage

23.4Average contacts per company

11-50Median size (employees)

4.3%Largest-city concentration · New York

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

4,741

11-50

3,765

51-200

1,117

201-500

267

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 advertising data platforms are linked below.
What qualifies: Company records worldwide whose business descriptions match “advertising data platforms” 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 89,848 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 5, 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.

Advertising data platforms by location

84 lists · largest first

Every Advertising data platforms 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 “advertising data platforms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many advertising data platforms are there worldwide?

RevenueBase identified 10,095 company matches for advertising data platforms 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?

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

Which country has the most advertising data platforms?

The United States leads with 2,483 companies, followed by India (860) and the United Kingdom (515). Every advertising data platforms list by country and city is linked on this page.

Which city has the most advertising data platforms?

New York leads with 436 company records, followed by London (364) and Singapore (166).

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 89,848 professional contacts with verified work emails tracked across these 10,095 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 5, 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.