Company lists · Data refreshed November 2026

Top 25 Original advertising agencies worldwide

Name: Original advertising agencies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 107,287 companies tracked

RevenueBase identified 107,287 company matches for original advertising agencies worldwide as of November 2026 and tracks 787,323 professional contacts across them, including 155,222 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for original advertising 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 November 6, 2026. Country and city lists for original advertising 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 Nov 6, 2026 How this list was built

107,287Companies

787,323Contacts tracked

155,222Verified emails

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The 25 largest original advertising agencies worldwide

Ranked by team size

Top 25 of 107,287 company matches for original advertising agencies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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	Clinic	Exact match	London, United KingdomHQ recorded Nov 6, 2026	n/a	7,965 contacts →
	Exact match “Clinic is an independent creative agency.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Deloitte Digital	Exact match	Usa, CA, FranceHQ recorded Nov 6, 2026	10001+	7,622 contacts →
	Exact match “At Deloitte Digital, we connect brands with the right strategies and tools to create great impact.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Thompson	Exact match	New York, United StatesHQ recorded Nov 6, 2026	5,001-10,000	3,822 contacts →
	Exact match “J.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Mediacom	Exact match	London, NY, United KingdomHQ recorded Nov 6, 2026	5,001-10,000	3,500 contacts →
	Exact match “Hello.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	SGK	Exact match	Des Plaines, United StatesHQ recorded Nov 6, 2026	5,001-10,000	3,461 contacts →
	Exact match “SGK, part of the Propelis Group, is a global brand and content production agency.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Mother	Exact match	London, United KingdomHQ recorded Nov 6, 2026	501-1,000	2,999 contacts →
	Exact match “Mother is one of the world’s most respected, independent creative companies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Mccann	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	10001+	2,939 contacts →
	Exact match “We build enduring brands that move people and markets through the radical creativity of Truth Well Told™.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	GREY	Exact match	New York, United StatesHQ recorded Nov 6, 2026	5,001-10,000	2,800 contacts →
	Exact match “Grey’s mission is to create Famously Effective ideas that move people, business, and the world forward-harnessing the power of creativity to solve business problems and deliver…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Publicis	Exact match	New York, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,785 contacts →
	Exact match “You can either adapt to change, ignore it or lead it.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	FIRMA	Exact match	Barcelona, United StatesHQ recorded Nov 6, 2026	n/a	2,759 contacts →
	Exact match “We’re FIRMA, a full-service Branding and Innovation agency.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Almacén	Exact match	Olivos, ArgentinaHQ recorded Nov 6, 2026	n/a	2,401 contacts →
	Exact match “Agencia de Publicidad fundada en 2003 por Daniel Onorato y Claudio Lucini.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Marketizon	Exact match	London, United KingdomHQ recorded Nov 6, 2026	n/a	1,989 contacts →
	Exact match “Marketizon is the leader in developing innovative, multi-channel marketing technologies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Anónimo	Exact match	Granada, MexicoHQ recorded Nov 6, 2026	n/a	1,823 contacts →
	Exact match “Tal vez algunos nos conozcan por la terraza donde muchos han venido a chelear con nosotros algún jueves.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Wieden Kennedy	Exact match	Portland, OR, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,752 contacts →
	Exact match “Wieden+Kennedy is an independent, global creative company that has built and transformed some of the world’s most well-known, exciting brands for over forty years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Bbdo Worldwide	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	5,001-10,000	1,655 contacts →
	Exact match “Do Big Things” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Schbang	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	1,001-5,000	1,606 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 · Nov 6, 2026 · View company records in RevenueBase
17	Tbwa Worldwide	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	10001+	1,337 contacts →
	Exact match “TBWA is The Disruption Company®.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	TBC	Exact match	Baltimore, MD, United StatesHQ recorded Nov 6, 2026	n/a	1,328 contacts →
	Exact match “TBC is an independently owned, full-service branding, advertising and strategic communications agency with headquarters in Baltimore, Maryland, USA.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Hakuhodo INC	Exact match	Minato-ku, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,310 contacts →
	Exact match “Founded in 1895, Hakuhodo Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Africa	Exact match	São Paulo, BrazilHQ recorded Nov 6, 2026	201-500	1,249 contacts →
	Exact match “Uma das agências mais criativas e inovadoras do mundo.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Laundry	Exact match	Los Angeles, CA, United StatesHQ recorded Nov 6, 2026	n/a	1,163 contacts →
	Exact match “Artists.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Almapbbdo	Exact match	São Paulo, BrazilHQ recorded Nov 6, 2026	501-1,000	1,059 contacts →
	Exact match “1 Global Agency of Decade - Cannes Lions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Quadcubes	Exact match	Kozhikode, IndiaHQ recorded Nov 6, 2026	n/a	1,056 contacts →
	Exact match “We're not that yet another, ordinary marketing agency!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Nike Communications, INC	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	n/a	960 contacts →
	Exact match “We are a full-service communications agency behind some of the world’s most revered and iconic brands.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	IVE Group	Exact match	Sydney, AustraliaHQ recorded Nov 6, 2026	1,001-5,000	933 contacts →
	Exact match “IVE Group is Australia’s largest diversified marketing company.” Recorded in the RevenueBase company graph · Nov 6, 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 “original advertising agencies”. 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 107,287 original advertising agencies worldwide

See the full list, filter by size, metro and specialty, and access 155,222 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Original advertising agencies worldwide at a glance

As of Nov 6, 2026

19.7%Verified-email coverage

7.3Average contacts per company

1-10Median size (employees)

2.0%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

75,786

11-50

26,745

51-200

3,431

201-500

615

501-1,000

132

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 original advertising agencies are linked below.
What qualifies: Company records worldwide whose business descriptions match “original advertising 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 155,222 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 6, 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.

Original advertising agencies by location

417 lists · largest first

Every Original advertising 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 “original advertising agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many original advertising agencies are there worldwide?

RevenueBase identified 107,287 company matches for original advertising agencies 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?

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

Which country has the most original advertising agencies?

The United States leads with 17,137 companies, followed by India (8,779) and the United Kingdom (6,094). Every original advertising agencies list by country and city is linked on this page.

Which city has the most original advertising agencies?

London leads with 2094 company records, followed by New York (1303) and Mumbai (1130).

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 155,222 professional contacts with verified work emails tracked across these 107,287 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 6, 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.