Company lists · Data refreshed September 2026

Top 25 High end marketing agencies worldwide

RevenueBase identified 80,043 high end marketing agencies worldwide as of September 2026 and tracks 506,934 professional contacts across them, including 129,069 with verified work emails and 63,387 with mobile numbers. The United States is the largest market and London the largest hub.

This list covers high end marketing 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 30, 2026. Country and city lists for high end marketing 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 30, 2026 86% judged on-target in blind review
80,043Companies
506,934Contacts tracked
129,069Verified emails
63,387Mobile numbers
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The 25 largest high end marketing agencies worldwide

Ranked by team size
Top 25 of 80,043 high end marketing agencies worldwide, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to high end marketing 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 30, 202610001+3,692 contacts →

Indirect evidence

“We discover the breakthroughs that brands need to win.”

Source: RevenueBase Database · checked Sep 30, 2026
2Partial evidenceHerentals, BelgiumHQ checked Sep 30, 20261,001-5,0003,670 contacts →

Partial evidence

“iO is an AI-native partner in marketing and technology, with experts across 12 campuses in Belgium, the Netherlands, Sweden, Denmark and Bulgaria.”

Source: RevenueBase Database · checked Sep 30, 2026
3Indirect evidenceLondon, United KingdomHQ checked Sep 30, 20265,001-10,0002,366 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 30, 2026
4Indirect evidenceBarcelona, SpainHQ checked Sep 30, 2026n/a1,864 contacts →

Indirect evidence

“We’re FIRMA, a full-service Branding and Innovation agency.”

Source: RevenueBase Database · checked Sep 30, 2026
5Indirect evidenceGranada, MexicoHQ checked Sep 30, 2026n/a1,672 contacts →

Indirect evidence

“Tal vez algunos nos conozcan por la terraza donde muchos han venido a chelear con nosotros algún jueves.”

Source: RevenueBase Database · checked Sep 30, 2026
6Indirect evidenceBaltimore, MD, United StatesHQ checked Sep 30, 2026n/a1,255 contacts →

Indirect evidence

“TBC is an independently owned, full-service branding, advertising and strategic communications agency with headquarters in Baltimore, Maryland, USA.”

Source: RevenueBase Database · checked Sep 30, 2026
7Indirect evidenceNew York, NY, United StatesHQ checked Sep 30, 202610001+1,207 contacts →

Indirect evidence

“We build enduring brands that move people and markets through the radical creativity of Truth Well Told™.”

Source: RevenueBase Database · checked Sep 30, 2026
8Partial evidenceStockport, United KingdomHQ checked Sep 30, 2026501-1,0001,152 contacts →

Partial evidence

“We’ve been delivering marketing and communications since 1961.”

Source: RevenueBase Database · checked Sep 30, 2026
9Indirect evidenceSão Paulo, BrazilHQ checked Sep 30, 20261,001-5,000963 contacts →

Indirect evidence

“Media.Monks, the digital-first operating brand of S4Capital plc, connects content, data & digital media and technology services across one global team built from the bottom up.”

Source: RevenueBase Database · checked Sep 30, 2026
10Indirect evidenceLondon, United KingdomHQ checked Sep 30, 20265,001-10,000941 contacts →

Indirect evidence

“Welcome to dentsu X.”

Source: RevenueBase Database · checked Sep 30, 2026
11Indirect evidenceLondon, United KingdomHQ checked Sep 30, 2026501-1,000820 contacts →

Indirect evidence

“VCCP is the global challenger network for challenger brands.”

Source: RevenueBase Database · checked Sep 30, 2026
12Indirect evidenceMunich, GermanyHQ checked Sep 30, 20261,001-5,000820 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 30, 2026
13Indirect evidenceMilan, ItalyHQ checked Sep 30, 2026501-1,000817 contacts →

Indirect evidence

“MILAN | LONDON | DUBAI | MADRID | DUBLIN | LUGANO | PARIS | NEW YORK | HONG KONG | SHENZHEN Pardgroup is your partner for transforming ideas into memorable retail and field…”

Source: RevenueBase Database · checked Sep 30, 2026
14Indirect evidenceLeeds, United KingdomHQ checked Sep 30, 2026n/a811 contacts →

Indirect evidence

“Uber means over, above more than.”

Source: RevenueBase Database · checked Sep 30, 2026
15Partial evidenceLos Angeles, CA, United StatesHQ checked Sep 30, 2026201-500750 contacts →

Partial evidence

“In business for over 30 years, Allied has built upon its roots in film advertising and publicity to become a global leader in entertainment, culture, and lifestyle marketing.”

Source: RevenueBase Database · checked Sep 30, 2026
16Partial evidenceSouthfield, MI, United StatesHQ checked Sep 30, 2026501-1,000708 contacts →

Partial evidence

“Doner unlocks all the tools of Modern marketing to build lasting connections with every day, Main Street consumers.”

Source: RevenueBase Database · checked Sep 30, 2026
17Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 30, 2026201-500698 contacts →

Indirect evidence

“Team One was founded with one philosophical focus: to construct brands of elevated aspiration and worth by attracting affluent consumers like never before.”

Source: RevenueBase Database · checked Sep 30, 2026
18Partial evidenceMansfield, United KingdomHQ checked Sep 30, 20261,001-5,000649 contacts →

Partial evidence

“We’re Linney, a connected marketing partner helping brands turn complexity into clarity across digital, physical and ecommerce channels.”

Source: RevenueBase Database · checked Sep 30, 2026
19Indirect evidenceLondon, United KingdomHQ checked Sep 30, 2026501-1,000643 contacts →

Indirect evidence

“We're an independent global media, creative, and data agency helping our clients make their next best move.”

Source: RevenueBase Database · checked Sep 30, 2026
20Indirect evidenceMalvern, PA, United StatesHQ checked Sep 30, 2026501-1,000572 contacts →

Indirect evidence

“Stream Companies is a full service advertising agency that specializes in launching, positioning, and long term management of brands on full service contracts and a…”

Source: RevenueBase Database · checked Sep 30, 2026
21Indirect evidenceCape Town, South AfricaHQ checked Sep 30, 2026501-1,000543 contacts →

Indirect evidence

“In 1948, David Ogilvy founded the agency that would become Ogilvy & Mather.”

Source: RevenueBase Database · checked Sep 30, 2026
22Partial evidenceStockholm, SwedenHQ checked Sep 30, 2026201-500535 contacts →

Partial evidence

“Precis is a modern, tech-powered digital marketing agency specialising in media buying, analytics, creative, and proprietary technology.”

Source: RevenueBase Database · checked Sep 30, 2026
23Indirect evidenceBrighton And Hove, United KingdomHQ checked Sep 30, 202651-200532 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 30, 2026
24Indirect evidenceLondon, United KingdomHQ checked Sep 30, 2026201-500527 contacts →

Indirect evidence

“MG OMD, part of Omnicom Media, brings innovation, insight and creativity to the world of media.”

Source: RevenueBase Database · checked Sep 30, 2026
25Indirect evidenceLondon, United KingdomHQ checked Sep 30, 2026201-500524 contacts →

Indirect evidence

“WHO WE ARE Founded in 1982, Karla Otto is a full-service brand-building agency, operating from fifteen cities across the globe, Milan, Paris, London, Munich, Dubai, Riyadh…”

Source: RevenueBase Database · checked Sep 30, 2026

Showing 25 of 80,043 high end marketing agencies worldwide

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High end marketing agencies worldwide at a glance

As of Sep 30, 2026
25.5%Verified-email coverage
12.5%Mobile-number coverage
6.3Average contacts per company
1-10Median size (employees)
5.2%Largest-city concentration · London
Sep 30, 2026Page data refreshed

Companies by employee count

1-10
60,716
11-50
16,718
51-200
1,968
201-500
311
501-1,000
63
1,001-5,000
41
5,001-10,000
15
10001+
28

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 high end marketing 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
42 countries, largest first: the United States, the United Kingdom, Canada, Germany, Brazil, Spain, Mexico, Poland, France, Italy and 32 more. Country and city lists for high end marketing agencies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “high end marketing 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 high end marketing 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 high end marketing 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, 129,069 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 30, 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.

High end marketing agencies by location

335 lists · largest first

Every High end marketing 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 high end marketing 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 high end marketing agencies are there worldwide?

RevenueBase identified 80,043 high end marketing 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?

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

Which country has the most high end marketing agencies?

The United States leads with 18,116 companies, followed by the United Kingdom (12,213) and Canada (6,331). Every high end marketing agencies list by country and city is linked on this page.

Which city has the most high end marketing agencies?

London leads with 4187 headquartered companies, followed by Toronto (1585) and Madrid (1310).

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 129,069 verified decision-maker contacts tracked across these 80,043 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 30, 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.