Company lists · Data refreshed September 2026

Top 25 Marketing consulting firms based in the United States

Name: Marketing consulting firms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 5, 2026 54,758 companies tracked

RevenueBase identified 54,758 marketing consulting firms headquartered in the United States as of September 2026 and tracks 311,485 professional contacts across them, including 82,718 with verified work emails and 106,838 with mobile numbers. New York is the largest hub.

This list covers marketing consulting firms headquartered in the 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 September 5, 2026.

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 HQ checked on every row Match evidence on every row Refreshed Sep 5, 2026 86% judged on-target in blind review

54,758Companies

311,485Contacts tracked

82,718Verified emails

106,838Mobile numbers

Unlock all 54,758 companies Free signup · no credit card · 500 free credits

The 25 largest marketing consulting firms based in the United States

Ranked by team size

Top 25 of 54,758 marketing consulting firms based in the United States, ranked by team size, largest first. Data refreshed Sep 5, 2026. Evidence rates how directly each company's own description names marketing consulting firms: 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
1	PublicisIndirect evidence	New York, NY, United StatesHQ checked Sep 5, 2026	1,001-5,000	2,531
	“You can either adapt to change, ignore it or lead it.” Source: company website · checked Sep 5, 2026
2	RazorfishIndirect evidence	New York, NY, United StatesHQ checked Sep 5, 2026	1,001-5,000	1,763
	“Hi there!” Source: company website · checked Sep 5, 2026
3	OmnicomPartial evidence	New York, NY, United StatesHQ checked Sep 5, 2026	10001+	1,727
	“Omnicom is the world’s leading marketing and sales company, built for intelligent growth in the next era.” Source: company website · checked Sep 5, 2026
4	Power Digital MarketingPartial evidence	San Diego, CA, United StatesHQ checked Sep 5, 2026	501-1,000	1,570
	“Power Digital is a growth marketing firm fueled by technology and driven by a talented team of consultative marketers, creatives, analysts and technologists.” Source: company website · checked Sep 5, 2026
5	ScorpionIndirect evidence	Draper, UT, United StatesHQ checked Sep 5, 2026	501-1,000	1,076
	“Scorpion is the leader in helping local businesses succeed by focusing on what truly matters-driving revenue.” Source: company website · checked Sep 5, 2026
6	NP DigitalIndirect evidence	San Diego, CA, United StatesHQ checked Sep 5, 2026	1,001-5,000	866
	“Neil Patel has been recognized by the Wall Street Journal, Forbes, and the United Nations, to name a few, as one of the most influential and successful marketers and entrepreneurs…” Source: company website · checked Sep 5, 2026
7	EssenceIndirect evidence	San Francisco, CA, United StatesHQ checked Sep 5, 2026	1,001-5,000	782
	“Formerly Essence, we are now EssenceMediacom.” Source: company website · checked Sep 5, 2026
8	Lucas GroupStrong evidence	Los Angeles, CA, United StatesHQ checked Sep 5, 2026	10001+	756
	“Ultimate Minds is a professional consulting and marketing firm dedicated to empowering businesses, nonprofits, and startups with smart, affordable, and results-driven solutions.” Source: company website · checked Sep 5, 2026
9	Abstrakt Marketing GroupIndirect evidence	St Louis, MO, United StatesHQ checked Sep 5, 2026	501-1,000	724
	“We book the qualified meetings that fill your pipeline for any B2B company ready to grow.” Source: company website · checked Sep 5, 2026
10	DONERPartial evidence	Southfield, MI, United StatesHQ checked Sep 5, 2026	501-1,000	708
	“Doner unlocks all the tools of Modern marketing to build lasting connections with every day, Main Street consumers.” Source: company website · checked Sep 5, 2026
11	ProphetStrong evidence	San Francisco, CA, United StatesHQ checked Sep 5, 2026	501-1,000	661
	“Prophet is the Uncommon Growth Company-accelerating impact for business and marketing leaders through consulting, experience, and creative services.” Source: company website · checked Sep 5, 2026
12	Vertis CommunicationsIndirect evidence	Sussex, WI, United StatesHQ checked Sep 5, 2026	10001+	605
	“Vertis Communications was acquired by Quad/Graphics in January 2013.” Source: company website · checked Sep 5, 2026
13	Stream CompaniesIndirect evidence	Malvern, PA, United StatesHQ checked Sep 5, 2026	501-1,000	572
	“Stream Companies is a full service advertising agency that specializes in launching, positioning, and long term management of brands on full service contracts and a…” Source: company website · checked Sep 5, 2026
14	IquantiPartial evidence	Jersey City, NJ, United StatesHQ checked Sep 5, 2026	501-1,000	538
	“iQuanti was founded to deliver on the promise of high-performance digital marketing, combining deep analytics, proprietary technology, and a results-driven approach.” Source: company website · checked Sep 5, 2026
15	Mediaradar, INCPartial evidence	New York, NY, United StatesHQ checked Sep 5, 2026	501-1,000	513
	“MediaRadar equips marketing, sales and analytics leaders with the intelligence they need to stay ahead.” Source: company website · checked Sep 5, 2026
16	Gsd&mIndirect evidence	Austin, TX, United StatesHQ checked Sep 5, 2026	501-1,000	488
	“GSD & M is a creatively driven, full-service agency born and raised in Austin, TX.” Source: company website · checked Sep 5, 2026
17	Sg360Indirect evidence	Wheeling, IL, United StatesHQ checked Sep 5, 2026	501-1,000	477
	“sg360° can help you identify and connect with your best prospects 1:1, both offline and on.” Source: company website · checked Sep 5, 2026
18	Product ConnectionsPartial evidence	Bentonville, AR, United StatesHQ checked Sep 5, 2026	10001+	387
	“Product Connections (PCX) is a full-service marketing agency built to move fast and deliver.” Source: company website · checked Sep 5, 2026
19	Bbdo NEW YorkIndirect evidence	New York, NY, United StatesHQ checked Sep 5, 2026	501-1,000	205
	“Do Big Things” Source: company website · checked Sep 5, 2026
20	Martindale-AvvoIndirect evidence	El Segundo, CA, United StatesHQ checked Sep 5, 2026	501-1,000	148
	“Martindale-Avvo comprises the online legal brands Martindale-Hubbell, Martindale-Nolo, Ngage, Captorra, and Avvo, and connects attorneys with millions of prospective clients every…” Source: company website · checked Sep 5, 2026
21	IVIEPartial evidence	Flower Mound, TX, United StatesHQ checked Sep 5, 2026	501-1,000	147
	“Ivie is a global marketing company existing to provide a higher level of service at a lower cost.” Source: company website · checked Sep 5, 2026
22	International Services, INCPartial evidence	Arlington Heights, IL, United StatesHQ checked Sep 5, 2026	501-1,000	132
	“For over 34 years, ISI has been at the forefront of recruiting and developing top-tier professionals in marketing strategy, strategic planning, and business development.” Source: company website · checked Sep 5, 2026
23	Candybox Media AgencyPartial evidence	Pleasanton, CA, United StatesHQ checked Sep 5, 2026	501-1,000	83
	“We are a one-stop shop digital marketing agency to build, optimize & scale your marketing.” Source: company website · checked Sep 5, 2026
24	Creatives On CallIndirect evidence	Cincinnati, OH, United StatesHQ checked Sep 5, 2026	1,001-5,000	66
	“We make companies more successful by connecting them with our network of over mid and high-level associates.” Source: company website · checked Sep 5, 2026
25	Informa EngagePartial evidence	New York, NY, United StatesHQ checked Sep 5, 2026	1,001-5,000	55
	“Informa Engage is the global digital marketing services organization behind Informa’s prominent portfolio of trusted B2B brands.” Source: company website · checked Sep 5, 2026

Showing 25 of 54,758 marketing consulting firms based in the United States

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Marketing consulting firms based in the United States at a glance

As of Sep 5, 2026

1-10Median size (employees)

New YorkLargest hub · 2424 HQs

106,838Contacts with mobile numbers

Sep 5, 2026Data refreshed

Companies by employee count

1-10

42,578

11-50

10,418

51-200

1,385

201-500

231

501-1,000

1,001-5,000

10001+

Verified emails by last verification

0–30

77,001

31–60

4,908

61–90

90–180

180+

726

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 marketing consulting firms, 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: 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.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “marketing consulting firms”. 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 marketing consulting firms, and records with no verified work email. Companies headquartered outside United States 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. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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, 82,718 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 September 5, 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.

Marketing consulting firms by metro

Marketing consulting firms in New York2424
Marketing consulting firms in Los Angeles1592
Marketing consulting firms in Miami1135
Marketing consulting firms in Chicago1031
Marketing consulting firms in Atlanta1030
Marketing consulting firms in Houston920
Marketing consulting firms in Austin873

Frequently asked

How many marketing consulting firms are there based in the United States?

RevenueBase identified 54,758 marketing consulting firms headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

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

Which city has the most marketing consulting firms?

New York leads with 2424 headquartered companies, followed by Los Angeles (1592) and Miami (1135).

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 82,718 verified decision-maker contacts tracked across these 54,758 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 5, 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.