Company lists · Data refreshed September 2026

Top 25 Programmatic ads agencies worldwide

RevenueBase identified 17,743 programmatic ads agencies worldwide as of September 2026 and tracks 222,840 professional contacts across them, including 68,633 with verified work emails. The United States is the largest market and London the largest hub.

This list covers programmatic ads agencies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026. Country and city lists for programmatic ads agencies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 21, 2026 86% judged on-target in blind review
17,743Companies
222,840Contacts tracked
68,633Verified emails
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The 25 largest programmatic ads agencies worldwide

Ranked by team size
Top 25 of 17,743 programmatic ads agencies worldwide, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to programmatic ads agencies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceLondon, United KingdomHQ checked Sep 21, 202610001+6,901 contacts →

Indirect evidence

“Publicis Media harnesses the power of modern media through leading agency brands Dysrupt, Infinite Roar, Publicis Collective, Publicis Health Media, Spark Foundry, Starcom and…”

Source: RevenueBase Database · checked Sep 21, 2026
2Indirect evidenceVentura, CA, United StatesHQ checked Sep 21, 20261,001-5,0004,307 contacts →

Indirect evidence

“It's more than just clicks.”

Source: RevenueBase Database · checked Sep 21, 2026
3Indirect evidenceBankside, GermanyHQ checked Sep 21, 20261,001-5,0004,068 contacts →

Indirect evidence

“Welcome to PHD.”

Source: RevenueBase Database · checked Sep 21, 2026
4Indirect evidenceToronto, ON, CanadaHQ checked Sep 21, 2026n/a2,671 contacts →

Indirect evidence

“Other.™ is a modern integrated media agency built for marketers who need more from their agency partner.”

Source: RevenueBase Database · checked Sep 21, 2026
5Indirect evidenceNew York, NY, United StatesHQ checked Sep 21, 20261,001-5,0002,368 contacts →

Indirect evidence

“Horizon Media is a leader in driving business-based outcomes for marketers.”

Source: RevenueBase Database · checked Sep 21, 2026
6Indirect evidenceDubai, United Arab EmiratesHQ checked Sep 21, 20261,001-5,0002,011 contacts →

Indirect evidence

“Media.net is an independent advertising technology platform that helps publishers, advertisers, and agencies achieve measurable outcomes across all formats and mediums.”

Source: RevenueBase Database · checked Sep 21, 2026
7Indirect evidenceNew York, NY, United StatesHQ checked Sep 21, 20261,001-5,0001,979 contacts →

Indirect evidence

“Taboola empowers businesses to grow through performance advertising technology that goes beyond search and social and delivers measurable outcomes at scale.”

Source: RevenueBase Database · checked Sep 21, 2026
8Indirect evidenceNew York, NY, United StatesHQ checked Sep 21, 20261,001-5,0001,789 contacts →

Indirect evidence

“Teads Holding Co.(“Teads”)(Nasdaq: TEAD) is a leading omnichannel advertising platform focused on driving outcomes for brand and performance advertisers across screens.”

Source: RevenueBase Database · checked Sep 21, 2026
9Indirect evidenceToronto, ON, CanadaHQ checked Sep 21, 20261,001-5,0001,633 contacts →

Indirect evidence

“StackAdapt is the leading technology company that empowers marketers to reach, engage, and convert audiences with precision.”

Source: RevenueBase Database · checked Sep 21, 2026
10Partial evidenceBangalore, IndiaHQ checked Sep 21, 20261,001-5,0001,311 contacts →

Partial evidence

“InMobi Advertising is a leading global programmatic platform specializing in mobile-first solutions that drive customer growth.”

Source: RevenueBase Database · checked Sep 21, 2026
11Indirect evidenceRedwood City, CA, United StatesHQ checked Sep 21, 2026501-1,0001,297 contacts →

Indirect evidence

“PubMatic is the leading AI-powered ad tech company delivering digital advertising performance.”

Source: RevenueBase Database · checked Sep 21, 2026
12Indirect evidenceNew York, NY, United StatesHQ checked Sep 21, 20261,001-5,0001,273 contacts →

Indirect evidence

“FreeWheel’s TV and video advertising technology is built for today’s ever-evolving multiscreen ecosystem.”

Source: RevenueBase Database · checked Sep 21, 2026
13Indirect evidenceNew York, NY, United StatesHQ checked Sep 21, 20261,001-5,0001,050 contacts →

Indirect evidence

“Mediaocean is powering the future of the advertising ecosystem with technology that empowers brands and agencies to deliver impactful omnichannel marketing experiences.”

Source: RevenueBase Database · checked Sep 21, 2026
14Indirect evidenceHudson Yards, NY, United StatesHQ checked Sep 21, 20261,001-5,000940 contacts →

Indirect evidence

“XR Extreme Reach is the leading platform for managing advertising operations.”

Source: RevenueBase Database · checked Sep 21, 2026
15Indirect evidenceUnited StatesHQ checked Sep 21, 2026501-1,000910 contacts →

Indirect evidence

“We’re Magnite (NASDAQ: MGNI), the world’s largest independent sell-side advertising company.”

Source: RevenueBase Database · checked Sep 21, 2026
16Indirect evidenceLake Oswego, OR, United StatesHQ checked Sep 21, 2026501-1,000899 contacts →

Indirect evidence

“Logical Position (LP) is an Inc.”

Source: RevenueBase Database · checked Sep 21, 2026
17Partial evidenceChicago, IL, United StatesHQ checked Sep 21, 2026501-1,000891 contacts →

Partial evidence

“Basis is a global provider of media automation and programmatic advertising software and services for enterprises.”

Source: RevenueBase Database · checked Sep 21, 2026
18Indirect evidenceCopenhagen, DenmarkHQ checked Sep 21, 2026501-1,000847 contacts →

Indirect evidence

“Adform is the most powerful and safe media buying platform in the world.”

Source: RevenueBase Database · checked Sep 21, 2026
19Indirect evidenceNew York, NY, United StatesHQ checked Sep 21, 2026201-500843 contacts →

Indirect evidence

“Kargo creates memorable experiences for advertisers that go beyond the first impression to captivate consumer attention.”

Source: RevenueBase Database · checked Sep 21, 2026
20Indirect evidenceHelsinki, FinlandHQ checked Sep 21, 2026501-1,000827 contacts →

Indirect evidence

“Smartly is the AI-powered advertising technology company transforming ad experiences for brands and their consumers.”

Source: RevenueBase Database · checked Sep 21, 2026
21Indirect evidenceMunich, GermanyHQ checked Sep 21, 20261,001-5,000820 contacts →

Indirect evidence

“Mediaplus is one of Europe’s largest independent, partner-owned media agencies.”

Source: RevenueBase Database · checked Sep 21, 2026
22Indirect evidenceSchiphol-rijk, GermanyHQ checked Sep 21, 20261,001-5,000808 contacts →

Indirect evidence

“Founded in 2014, Azerion (EURONEXT: AZRN) is one of Europe’s largest digital advertising and entertainment media platforms.”

Source: RevenueBase Database · checked Sep 21, 2026
23Indirect evidenceMumbai, IndiaHQ checked Sep 21, 2026501-1,000802 contacts →

Indirect evidence

“Interactive Avenues is India’s leading full-service digital marketing company with offices in Mumbai (headquarters), Gurugram, Bengaluru, Chennai and Kolkata.”

Source: RevenueBase Database · checked Sep 21, 2026
24Indirect evidenceStockholm, SwedenHQ checked Sep 21, 2026201-500770 contacts →

Indirect evidence

“We empower a thriving partner network where everyone wins.”

Source: RevenueBase Database · checked Sep 21, 2026
25Indirect evidenceParis, FranceHQ checked Sep 21, 2026501-1,000705 contacts →

Indirect evidence

“Equativ is a leading independent media platform that empowers advertisers and publishers to achieve real outcomes across the entire digital ecosystem.”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 25 of 17,743 programmatic ads agencies worldwide

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Programmatic ads agencies worldwide at a glance

As of Sep 21, 2026
30.8%Verified-email coverage
12.6Average contacts per company
1-10Median size (employees)
2.6%Largest-city concentration · London
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
10,035
11-50
5,800
51-200
1,406
201-500
310
501-1,000
88
1,001-5,000
48
5,001-10,000
9
10001+
19

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among programmatic ads agencies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for programmatic ads agencies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “programmatic ads agencies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names programmatic ads agencies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among programmatic ads agencies, and records with no verified work email.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 68,633 across the full list. 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.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Programmatic ads agencies by location

86 lists · largest first

Every Programmatic ads 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 Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names programmatic ads agencies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many programmatic ads agencies are there worldwide?

RevenueBase identified 17,743 programmatic ads agencies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Publicis Media, headquartered in London, tops this list with the largest team on record.

Which country has the most programmatic ads agencies?

The United States leads with 3,582 companies, followed by India (1,725) and the United Kingdom (869). Every programmatic ads agencies list by country and city is linked on this page.

Which city has the most programmatic ads agencies?

London leads with 465 headquartered companies, followed by New York (391) and Sao Paulo (220).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 68,633 verified decision-maker contacts tracked across these 17,743 companies.

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 Smart Search, 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.