Company lists · Data verified August 2026

Top 25 B2B marketing consulting agencies based in the United States

Name: B2B marketing consulting 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 24,930 companies tracked

There are 24,930 B2B marketing consulting agencies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 168,573 professional contacts across them, including 44,670 with verified work emails and 55,516 with mobile numbers. New York is the largest hub.

This list covers B2B marketing consulting 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.

24,930Companies

168,573Contacts tracked

44,670Verified emails

55,516Mobile numbers

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The 25 largest B2B marketing consulting agencies based in the United States

Ranked by team size

Top 25 of 24,930 B2B marketing consulting 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	Deloitte Digital	Denver, CO	10001+	7,701	2,261
2	Strategy	New York, NY	1,001-5,000	5,135	2,060
3	Omnicom	New York, NY	10001+	1,702	274
4	Lucas Group	Los Angeles, CA	10001+	765	19
5	Anteriad	New York, NY	501-1,000	737	348
6	Digitas UK	New York, NY	501-1,000	728	285
7	Abstrakt Marketing Group	St Louis, MO	501-1,000	724	235
8	Prophet	Austin, TX	501-1,000	656	451
9	Zimmerman Advertising	Nashville, TN	501-1,000	610	208
10	Vertis Communications	Sussex, WI	10001+	605	28
11	Callbox INC	Encino, CA	201-500	501	2
12	R&r Partners	Highlands Ranch, CO	201-500	496	213
13	Sg360	Wheeling, IL	501-1,000	473	175
14	AMP	New York, NY	501-1,000	449	238
15	Gravity Global	Indianapolis, IN	501-1,000	418	250
16	Product Connections	Bentonville, AR	10001+	401	199
17	FUNNL	Philadelphia	201-500	351	1
18	Acceligize	Houston, TX	201-500	348	20
19	Cramer-Krasselt	Milwaukee, WI	201-500	296	74
20	Unboundb2b	San Jose, CA	201-500	295	131
21	Front ROW	San Diego, CA	501-1,000	291	174
22	Transmission	Dallas, TX	201-500	290	178
23	Drive Social Media	Atlanta, GA	201-500	279	1
24	Simplicity Consulting	Kirkland, WA	201-500	251	52
25	Fusion92	Farmington Hills, MI	201-500	241	193

Showing 25 of 24,930 B2B marketing consulting agencies based in the United States

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B2B marketing consulting agencies based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 1101 HQs

55,516Contacts with mobile numbers

227Emails re-verified in last 30 days

Companies by employee count

1-10

19,456

11-50

4,579

51-200

701

201-500

113

501-1,000

1,001-5,000

10001+

B2B marketing consulting agencies by metro

Metro	Companies
B2B marketing consulting agencies in New York	1101
B2B marketing consulting agencies in Los Angeles	631
B2B marketing consulting agencies in Chicago	612
B2B marketing consulting agencies in Atlanta	511
B2B marketing consulting agencies in Miami	438
B2B marketing consulting agencies in Austin	426
B2B marketing consulting agencies in Houston	407

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 “B2B marketing consulting 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; 227 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 B2B marketing consulting agencies are there based in the United States?

There are 24,930 B2B marketing consulting agencies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Deloitte Digital, headquartered in Denver, tops this list with the largest team on record.

Which city has the most B2B marketing consulting agencies?

New York leads with 1101 headquartered companies, followed by Los Angeles (631) and Chicago (612).

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 44,670 verified decision-maker contacts tracked across these 24,930 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.