Company lists · Data refreshed October 2026

Top 25 Advertising technology platforms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 11,548 companies tracked

RevenueBase identified 11,548 company matches for advertising technology platforms worldwide as of October 2026 and tracks 214,043 professional contacts across them, including 72,742 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for advertising technology 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 October 1, 2026. Country and city lists for advertising technology 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 Oct 1, 2026 How this list was built

11,548Companies

214,043Contacts tracked

72,742Verified emails

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

The 25 largest advertising technology platforms worldwide

Ranked by team size

Top 25 of 11,548 company matches for advertising technology platforms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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 Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
2	Publicis Media	Exact match	London, United KingdomHQ recorded Oct 1, 2026	10001+	6,901 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 · Oct 1, 2026 · View company records in RevenueBase
3	The Trade Desk	Exact match	Ventura, CA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	4,307 contacts →
	Exact match “It's more than just clicks.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	PHD	Exact match	Bankside, GermanyHQ recorded Oct 1, 2026	1,001-5,000	4,068 contacts →
	Exact match “Welcome to PHD.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	Zeta Global	Exact match	New York, NY, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
6	Clear Channel Outdoor	Exact match	New York, NY, United StatesHQ recorded Oct 1, 2026	1,001-5,000	2,462 contacts →
	Exact match “Clear Channel Outdoor Holdings, Inc.(NYSE: CCO) is at the forefront of driving innovation in the out-of-home advertising industry.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	media.net	Exact match	Dubai, United Arab EmiratesHQ recorded Oct 1, 2026	1,001-5,000	2,011 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 · Oct 1, 2026 · View company records in RevenueBase
8	Taboola	Exact match	New York, NY, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,979 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 · Oct 1, 2026 · View company records in RevenueBase
9	TEADS	Exact match	New York, NY, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,789 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 · Oct 1, 2026 · View company records in RevenueBase
10	Stackadapt	Exact match	Toronto, ON, CanadaHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
11	RTB House	Exact match	Warsaw, PolandHQ recorded Oct 1, 2026	1,001-5,000	1,353 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 · Oct 1, 2026 · View company records in RevenueBase
12	Doubleverify	Exact match	New York, NY, United StatesHQ recorded Oct 1, 2026	501-1,000	1,318 contacts →
	Exact match “DoubleVerify is a leading software platform for digital media measurement and analytics.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Pubmatic	Exact match	Redwood City, CA, United StatesHQ recorded Oct 1, 2026	501-1,000	1,297 contacts →
	Exact match “PubMatic is the leading AI-powered ad tech company delivering digital advertising performance.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Freewheel	Exact match	New York, NY, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,273 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 · Oct 1, 2026 · View company records in RevenueBase
15	Centro	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 2026	501-1,000	1,178 contacts →
	Exact match “Basis Technologies is a global provider of workflow automation, intelligence and programmatic trading software for the marketing enterprise.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Mediaocean	Exact match	New York, NY, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,050 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 · Oct 1, 2026 · View company records in RevenueBase
17	Samsung ADS	Exact match	New York, NY, United StatesHQ recorded Oct 1, 2026	501-1,000	985 contacts →
	Exact match “Samsung Ads is Samsung Electronics’ advertising ecosystem, spanning hundreds of millions of smart devices across TV, mobile, desktop, and beyond.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Integral AD Science	Exact match	New York, NY, United StatesHQ recorded Oct 1, 2026	501-1,000	966 contacts →
	Exact match “Integral Ad Science is a leading global media measurement and optimization platform that delivers the industry’s most actionable data to drive superior results for the world’s…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	XR Extreme Reach	Exact match	Hudson Yards, NY, United StatesHQ recorded Oct 1, 2026	1,001-5,000	940 contacts →
	Exact match “XR Extreme Reach is the leading platform for managing advertising operations.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	Magnite	Exact match	United StatesHQ recorded Oct 1, 2026	501-1,000	910 contacts →
	Exact match “We’re Magnite (NASDAQ: MGNI), the world’s largest independent sell-side advertising company.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	Moloco	Exact match	Menlo Park, CA, United StatesHQ recorded Oct 1, 2026	501-1,000	893 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 · Oct 1, 2026 · View company records in RevenueBase
22	BASIS	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 2026	501-1,000	891 contacts →
	Exact match “Basis is a global provider of media automation and programmatic advertising software and services for enterprises.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Adform	Exact match	Copenhagen, DenmarkHQ recorded Oct 1, 2026	501-1,000	847 contacts →
	Exact match “Adform is the most powerful and safe media buying platform in the world.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	KARGO	Exact match	New York, NY, United StatesHQ recorded Oct 1, 2026	201-500	843 contacts →
	Exact match “Kargo creates memorable experiences for advertisers that go beyond the first impression to captivate consumer attention.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	Smartly	Exact match	Helsinki, FinlandHQ recorded Oct 1, 2026	501-1,000	827 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 · Oct 1, 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 technology 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 11,548 advertising technology platforms worldwide

See the full list, filter by size, metro and specialty, and access 72,742 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Advertising technology platforms worldwide at a glance

As of Oct 1, 2026

34.0%Verified-email coverage

18.5Average contacts per company

11-50Median size (employees)

4.0%Largest-city concentration · New York

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

5,153

11-50

4,553

51-200

1,300

201-500

337

501-1,000

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 technology platforms are linked below.
What qualifies: Company records worldwide whose business descriptions match “advertising technology 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 72,742 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 October 1, 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 technology platforms by location

89 lists · largest first

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

How many advertising technology platforms are there worldwide?

RevenueBase identified 11,548 company matches for advertising technology platforms worldwide as of October 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 advertising technology platforms?

The United States leads with 2,515 companies, followed by India (1,070) and the United Kingdom (531). Every advertising technology platforms list by country and city is linked on this page.

Which city has the most advertising technology platforms?

New York leads with 466 company records, followed by London (374) and Singapore (207).

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 72,742 professional contacts with verified work emails tracked across these 11,548 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 October 1, 2026.

Ready to reach these companies? Verified emails and direct dials for all 11,548 advertising technology platforms 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.