Company lists · Data verified August 2026

Top 25 Digital advertising agencies based in the United States

Name: Digital 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 35,867 companies tracked

There are 35,867 digital advertising agencies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 224,940 professional contacts across them, including 56,543 with verified work emails and 68,861 with mobile numbers. New York is the largest hub.

This list covers digital 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.

35,867Companies

224,940Contacts tracked

56,543Verified emails

68,861Mobile numbers

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The 25 largest digital advertising agencies based in the United States

Ranked by team size

Top 25 of 35,867 digital 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	HIBU	Cedar Rapids, IA	1,001-5,000	4,480	823
2	Razorfish	New York, NY	1,001-5,000	1,799	1,066
3	Constant Contact	Gainesville, FL	1,001-5,000	1,636	647
4	Localiq	New York, NY	1,001-5,000	1,541	581
5	Scorpion	Draper, UT	501-1,000	1,089	620
6	Logical Position	Lake Oswego, OR	501-1,000	899	674
7	WEBFX	Harrisburg, PA	501-1,000	874	427
8	Perion	New York, NY	501-1,000	613	355
9	Vertis Communications	Sussex, WI	10001+	605	28
10	Mavlers	San Jose, CA	501-1,000	488	151
11	Localedge	Buffalo, NY	501-1,000	386	43
12	Reprise Digital	Los Angeles, CA	1,001-5,000	371	28
13	Adsrole	Houston, TX	501-1,000	257	1
14	Continuumglobal	Menlo Park, CA	501-1,000	199	103
15	NEO Ogilvy	New York, NY	1,001-5,000	180	12
16	Investis Digital	Phoenix, AZ	501-1,000	158	42
17	IVIE	Flower Mound, TX	501-1,000	147	11
18	Sizmek By Amazon	New York, NY	1,001-5,000	139	5
19	Voice Media Group	Denver, CO	501-1,000	95	24
20	Gtechsources	Albertson Ny, NY	501-1,000	71	20
21	Informa Engage	New York, NY	1,001-5,000	55	41
22	Mediago AD Platform	Sunnyvale, CA	1,001-5,000	39	5
23	ad.iq	Costa Mesa, CA	501-1,000	35	1
24	Web.com Search Agency	Scottsdale, AZ	501-1,000	25	1
25	Salem Surround	Arlington, VA	501-1,000	23	14

Showing 25 of 35,867 digital advertising agencies based in the United States

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Digital advertising agencies based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 1495 HQs

68,861Contacts with mobile numbers

119Emails re-verified in last 30 days

Companies by employee count

1-10

26,383

11-50

7,846

51-200

1,231

201-500

238

501-1,000

1,001-5,000

10001+

Digital advertising agencies by metro

Metro	Companies
Digital advertising agencies in New York	1495
Digital advertising agencies in Los Angeles	1018
Digital advertising agencies in Miami	803
Digital advertising agencies in Houston	648
Digital advertising agencies in Atlanta	574
Digital advertising agencies in Chicago	559
Digital advertising agencies in Austin	558

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 “digital 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; 119 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 digital advertising agencies are there based in the United States?

There are 35,867 digital advertising agencies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

HIBU, headquartered in Cedar Rapids, tops this list with the largest team on record.

Which city has the most digital advertising agencies?

New York leads with 1495 headquartered companies, followed by Los Angeles (1018) and Miami (803).

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 56,543 verified decision-maker contacts tracked across these 35,867 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.