Company lists · Data refreshed September 2026

Top 25 Omnichannel media agencies worldwide

RevenueBase identified 30,246 company matches for omnichannel media agencies worldwide as of September 2026 and tracks 431,425 professional contacts across them, including 105,870 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for omnichannel media 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 September 29, 2026. Country and city lists for omnichannel media 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 Sep 29, 2026 How this list was built
30,246Companies
431,425Contacts tracked
105,870Verified emails
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The 25 largest omnichannel media agencies worldwide

Ranked by team size
Top 25 of 30,246 company matches for omnichannel media agencies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSussex, WI, United StatesHQ recorded Sep 29, 202610001+9,567 contacts →

Exact match

“Quad (NYSE: QUAD) is a global marketing experience company that helps brands make direct consumer connections, from household to in-store to online.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 29, 202610001+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 · Sep 29, 2026 · View company records in RevenueBase
3Exact matchChicago, IL, United StatesHQ recorded Sep 29, 20265,001-10,0005,520 contacts →

Exact match

“With a history that dates back over 80 years, Starcom is a global communications planning and media leader.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchChicago, IL, United StatesHQ recorded Sep 29, 20265,001-10,0005,385 contacts →

Exact match

“Leo Burnett is a communications agency powered by its HumanKind operating system, with the belief that creativity, data and technology work together to transform human behavior…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202610001+4,963 contacts →

Exact match

“IPG Mediabrands is the media and marketing solutions division of Interpublic Group (NYSE: IPG).”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchVentura, CA, United StatesHQ recorded Sep 29, 20261,001-5,0004,307 contacts →

Exact match

“It's more than just clicks.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 29, 20265,001-10,0004,133 contacts →

Exact match

“Zenith is the ROI Agency.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchBankside, GermanyHQ recorded Sep 29, 20261,001-5,0004,068 contacts →

Exact match

“Welcome to PHD.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchNew York, United StatesHQ recorded Sep 29, 202610001+3,989 contacts →

Exact match

“Omnicom Media Group (OMG), the media services division of Omnicom Group Inc, delivers transformational experiences for consumers, clients, and talent.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchNY, United StatesHQ recorded Sep 29, 20261,001-5,0002,822 contacts →

Exact match

“As one of the fastest-growing global media agency networks, Spark Foundry is not beholden to legacy.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchSeoul, South KoreaHQ recorded Sep 29, 20265,001-10,0002,802 contacts →

Exact match

“Cheil is a global network of marketing partners committed to the business mission of 'Creating Connected Experiences That Matter,' powered by a network of over experts working…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchToronto, ON, CanadaHQ recorded Sep 29, 2026n/a2,671 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchBoston, MA, United StatesHQ recorded Sep 29, 20261,001-5,0002,654 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 · Sep 29, 2026 · View company records in RevenueBase
14Exact matchNew York, NY, United StatesHQ recorded Sep 29, 20261,001-5,0002,368 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 29, 20265,001-10,0002,366 contacts →

Exact match

“iProspect, a dentsu company, is a leading global digital-first media agency.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchNew York, NY, United StatesHQ recorded Sep 29, 20261,001-5,0002,313 contacts →

Exact match

“Assembly is a global omnichannel agency built for brands that want a more modern approach to building brands that perform.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Sep 29, 20265,001-10,0002,182 contacts →

Exact match

“Carat is the world’s first media agency and is privileged to work with some of today’s most storied and innovative brands.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchChicago, IL, United StatesHQ recorded Sep 29, 2026n/a2,182 contacts →

Exact match

“Marketing Werks has become Product Connections, a fully integrated engagement agency specializing in omnichannel solutions that build relationships between brands and consumers.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchNew York, NY, United StatesHQ recorded Sep 29, 20261,001-5,0001,789 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 · Sep 29, 2026 · View company records in RevenueBase
20Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202610001+1,727 contacts →

Exact match

“Omnicom is the world’s leading marketing and sales company, built for intelligent growth in the next era.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchCalgary, AB, CanadaHQ recorded Sep 29, 20261,001-5,0001,682 contacts →

Exact match

“We’re Critical Mass.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchMumbai, IndiaHQ recorded Sep 29, 20261,001-5,0001,548 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 · Sep 29, 2026 · View company records in RevenueBase
23Exact matchSt Petersburg, FL, RussiaHQ recorded Sep 29, 2026501-1,0001,376 contacts →

Exact match

“Valpak is the leader in American household data, direct marketing and omnichannel media solutions for local and national businesses and brands.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchNew York, NY, United StatesHQ recorded Sep 29, 20261,001-5,0001,359 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 · Sep 29, 2026 · View company records in RevenueBase
25Exact matchMunich, GermanyHQ recorded Sep 29, 20265,001-10,0001,298 contacts →

Exact match

“Serviceplan Group is the largest independent, partner-led agency group in Europe.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 30,246 omnichannel media agencies worldwide

See the full list, filter by size, metro and specialty, and access 105,870 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Omnichannel media agencies worldwide at a glance

As of Sep 29, 2026
24.5%Verified-email coverage
14.3Average contacts per company
1-10Median size (employees)
1.8%Largest-city concentration · London
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
16,867
11-50
10,231
51-200
2,159
201-500
585
501-1,000
169
1,001-5,000
112
5,001-10,000
43
10001+
48

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 omnichannel media agencies are linked below.
What qualifies
Company records worldwide whose business descriptions match “omnichannel media 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 105,870 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 September 29, 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.

Omnichannel media agencies by location

164 lists · largest first

Every Omnichannel media 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 “omnichannel media agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many omnichannel media agencies are there worldwide?

RevenueBase identified 30,246 company matches for omnichannel media agencies worldwide as of September 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?

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

Which country has the most omnichannel media agencies?

The United States leads with 6,695 companies, followed by India (3,338) and the United Kingdom (1,438). Every omnichannel media agencies list by country and city is linked on this page.

Which city has the most omnichannel media agencies?

London leads with 549 company records, followed by Mumbai (404) and New York (362).

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 105,870 professional contacts with verified work emails tracked across these 30,246 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 September 29, 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.