Company lists · Data verified August 2026

Top 25 Creative advertising agencies based in the United States

Name: Creative advertising agencies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 56,036 companies tracked

There are 56,036 creative advertising agencies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 563,333 professional contacts across them, including 161,237 with verified work emails and 183,528 with mobile numbers. New York is the largest hub.

This list covers creative advertising agencies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

56,036Companies

563,333Contacts tracked

161,237Verified emails

183,528Mobile numbers

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The 25 largest creative advertising agencies based in the United States

Ranked by team size

Top 25 of 56,036 creative advertising agencies based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	QUAD	Sussex, WI	10001+	9,571	1,478
2	Deloitte Digital	Denver, CO	10001+	7,701	2,261
3	HH Global	Chicago, IL	1,001-5,000	5,628	2,530
4	Weber Shandwick	New York, NY	1,001-5,000	4,217	2,053
5	Mccann Worldgroup	New York, NY	10001+	3,879	562
6	Digitas North America	Boston, MA	1,001-5,000	2,692	966
7	Publicis	San Francisco, CA	1,001-5,000	2,551	106
8	Horizon Media	Los Angeles, CA	1,001-5,000	2,354	1,588
9	Assembly Global	Los Angeles, CA	1,001-5,000	2,293	1,310
10	Wunderman Thompson	New York, NY	10001+	1,886	388
11	Razorfish	New York, NY	1,001-5,000	1,799	1,066
12	Critical Mass	Chicago, IL	1,001-5,000	1,723	965
13	Omnicom	New York, NY	10001+	1,702	274
14	Vaynermedia	New York, NY	1,001-5,000	1,420	395
15	Hearts & Science	New York, NY	1,001-5,000	1,401	691
16	Tbwa Worldwide	New York, NY	10001+	1,249	73
17	Mccann	New York, NY	10001+	1,197	271
18	Tinuiti	Philadelphia, PA	1,001-5,000	1,181	683
19	FCB Health NEW York	New York, NY	1,001-5,000	1,180	23
20	Hakuhodo INC	New York, NY	1,001-5,000	1,149	280
21	GTB	Detroit, MI	1,001-5,000	1,067	174
22	Brainlabs	New York, NY	1,001-5,000	1,033	486
23	Area 23	York	1,001-5,000	954	649
24	Finn Partners	Denver, CO	1,001-5,000	897	683
25	Ruder Finn	New York, NY	1,001-5,000	814	213

Showing 25 of 56,036 creative advertising agencies based in the United States

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Creative advertising agencies based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 4143 HQs

183,528Contacts with mobile numbers

300Emails re-verified in last 30 days

Companies by employee count

1-10

41,459

11-50

12,130

51-200

1,852

201-500

325

501-1,000

1,001-5,000

10001+

Creative advertising agencies by metro

Metro	Companies
Creative advertising agencies in New York	4143
Creative advertising agencies in Los Angeles	2921
Creative advertising agencies in Miami	1366
Creative advertising agencies in Chicago	1302
Creative advertising agencies in Atlanta	1192
Creative advertising agencies in Austin	878
Creative advertising agencies in Houston	849

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “creative advertising agencies”, with match quality audited by blind human judging, and headquartered in the United States.
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: Contact records re-verify on a rolling cadence; 300 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many creative advertising agencies are there based in the United States?

There are 56,036 creative advertising agencies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

QUAD, headquartered in Sussex, tops this list with the largest team on record.

Which city has the most creative advertising agencies?

New York leads with 4143 headquartered companies, followed by Los Angeles (2921) and Miami (1366).

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 161,237 verified decision-maker contacts tracked across these 56,036 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 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.