Company lists · Data refreshed August 2026

Top 25 Advertising agencies based in New York, United States

Name: Advertising agencies based in New York, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Aug 30, 2026 1,747 companies tracked

There are 1,747 advertising agencies headquartered in New York, United States (RevenueBase, August 2026). RevenueBase tracks 74,194 professional contacts across them, including 17,281 with verified work emails and 18,644 with mobile numbers. New York is the largest hub.

This list covers advertising agencies headquartered in New York, United States, 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, how directly it supports the match, and when it was last checked. Data refreshed August 30, 2026.

1,747Companies

74,194Contacts tracked

17,281Verified emails

18,644Mobile numbers

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The 25 largest advertising agencies based in New York, United States

Ranked by team size

Top 25 of 1,747 advertising agencies based in New York, United States, ranked by team size, largest first. Data refreshed Aug 30, 2026. Evidence rates how directly each company's own description names advertising agencies: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#	Company	Headquarters	Employees	Contacts	Verified emails
1	ZenithIndirect evidence “Zenith is the ROI Agency.” Source: company website · checked Aug 30, 2026	New York, United States	5,001-10,000	4,148	1,085
2	Omnicom Media GroupIndirect evidence “Omnicom Media Group (OMG), the media services division of Omnicom Group Inc, delivers transformational experiences for consumers, clients, and talent.” Source: company website · checked Aug 30, 2026	New York, United States	10001+	4,016	1,180
3	Mccann WorldgroupIndirect evidence “McCann Worldgroup, part of the Interpublic Group (NYSE: IPG), is the irrefutable leader in the business of creativity.” Source: company website · checked Aug 30, 2026	New York, NY, United States	10001+	3,879	562
4	MediacomIndirect evidence “Hello.” Source: company website · checked Aug 30, 2026	New York, NY, United States	5,001-10,000	3,247	382
5	InitiativeIndirect evidence “Initiative unlocks business growth for the world’s most ambitious brands.” Source: company website · checked Aug 30, 2026	New York, NY, United States	5,001-10,000	3,013	1,246
6	UM WorldwideIndirect evidence “Our Full Color Media approach creates limitless possibilities, making everything we do intelligently driven, diversely courageous, business- and brand-obsessed, and dedicated to…” Source: company website · checked Aug 30, 2026	New York, NY, United States	1,001-5,000	2,009	744
7	OmnicomIndirect evidence “Omnicom is the world’s leading marketing and sales company, built for intelligent growth in the next era.” Source: company website · checked Aug 30, 2026	New York, NY, United States	10001+	1,702	274
8	Young & RubicamIndirect evidence “Y&R is a leading global marketing communications company, with more than 189 offices in 90+ countries.” Source: company website · checked Aug 30, 2026	New York, NY, United States	10001+	1,595	21
9	Bbdo WorldwideIndirect evidence “Do Big Things” Source: company website · checked Aug 30, 2026	New York, NY, United States	5,001-10,000	1,495	80
10	VaynermediaIndirect evidence “VaynerMedia is a contemporary global creative and media agency with an expertise in driving relevance for clients and delivering impactful business results.” Source: company website · checked Aug 30, 2026	New York, NY, United States	1,001-5,000	1,420	395
11	Tbwa WorldwideIndirect evidence “TBWA is The Disruption Company®.” Source: company website · checked Aug 30, 2026	New York, NY, United States	10001+	1,249	73
12	MccannIndirect evidence “We build enduring brands that move people and markets through the radical creativity of Truth Well Told™.” Source: company website · checked Aug 30, 2026	New York, NY, United States	10001+	1,197	271
13	Hakuhodo INCIndirect evidence “Founded in 1895, Hakuhodo Inc.” Source: company website · checked Aug 30, 2026	New York, NY, United States	1,001-5,000	1,149	280
14	FCB GlobalIndirect evidence “FCB is a global creative powerhouse committed to transforming brands, businesses, and lives through the economic power of creativity.” Source: company website · checked Aug 30, 2026	New York, NY, United States	5,001-10,000	1,106	84
15	BrainlabsIndirect evidence “Brainlabs is an independent, AI-native media agency built to grow client revenue and prove the impact of every dollar spent on media.” Source: company website · checked Aug 30, 2026	New York, NY, United States	1,001-5,000	1,033	486
16	Dentsu XIndirect evidence “Welcome to dentsu X.” Source: company website · checked Aug 30, 2026	New York, NY, United States	5,001-10,000	941	193
17	160over90Indirect evidence “160over90 is an award-winning global marketing agency which forges stronger human connections and creates shared moments where people feel something real.” Source: company website · checked Aug 30, 2026	New York, NY, United States	501-1,000	839	627
18	KeplerIndirect evidence “We’re on a mission to clarify the digital universe.” Source: company website · checked Aug 30, 2026	New York, NY, United States	501-1,000	752	352
19	Katz Media GroupIndirect evidence “As the nation's largest media representation firm, Katz Media Group delivers local relevance at scale.” Source: company website · checked Aug 30, 2026	New York, NY, United States	1,001-5,000	567	233
20	Canvas WorldwideIndirect evidence “Named one of Ad Age’s 2026 Top 10 Best Places to Work, Canvas Worldwide is an independent media agency that provides innovative marketing solutions for brands looking to challenge…” Source: company website · checked Aug 30, 2026	New York, NY, United States	201-500	564	134
21	Droga5Indirect evidence “Droga5, part of Accenture Song, is a creative agency with offices in New York, London, Dublin, Tokyo and São Paulo.” Source: company website · checked Aug 30, 2026	New York, NY, United States	501-1,000	504	130
22	BCW GlobalIndirect evidence “BCW is the global communications agency built to move people.” Source: company website · checked Aug 30, 2026	New York, NY, United States	1,001-5,000	450	133
23	AMPIndirect evidence “Mic check.” Source: company website · checked Aug 30, 2026	New York, NY, United States	501-1,000	449	238
24	Arnold WorldwideStrong evidence “Arnold is an independent-minded integrated advertising agency that believes creativity should always be a lever for growth.” Source: company website · checked Aug 30, 2026	New York, NY, United States	201-500	448	176
25	MDC PartnersIndirect evidence “Stagwell (NASDAQ: STGW) is the challenger holding company built to transform marketing.” Source: company website · checked Aug 30, 2026	New York, United States	10001+	441	4

Showing 25 of 1,747 advertising agencies based in New York, United States

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Advertising agencies based in New York, United States at a glance

As of Aug 30, 2026

1-10Median size (employees)

New YorkLargest hub · 1747 HQs

18,644Contacts with mobile numbers

Aug 30, 2026Data refreshed

Companies by employee count

1-10

1,013

11-50

515

51-200

136

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Advertising agencies by metro in the United States

Metro	Companies
Advertising agencies in New York	1747
Advertising agencies in Los Angeles	1195
Advertising agencies in Chicago	550
Advertising agencies in Miami	542
Advertising agencies in Atlanta	500
Advertising agencies in Dallas	383
Advertising agencies in Houston	345

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 advertising agencies, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
What qualifies: Companies headquartered in New York, United States whose own description of what they do matches “advertising agencies”. Matching reads each company's description, not its industry code or its name.
What we exclude: Companies whose own description does not clearly place them among advertising agencies, and records with no verified work email. Companies headquartered outside New York are excluded even when they keep an office there.
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 an evidence rating so you can judge each match yourself.
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, 17,281 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 August 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.

Frequently asked

How many advertising agencies are there based in New York, United States?

There are 1,747 advertising agencies headquartered in New York, United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Zenith, headquartered in New York, tops this list with the largest team on record.

Which city has the most advertising agencies?

New York leads with 1747 headquartered companies, followed by Los Angeles (1195) and Chicago (550).

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 17,281 verified decision-maker contacts tracked across these 1,747 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on August 30, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.