Company lists · Data refreshed September 2026

Top 25 B2B public relations agencies based in the United States

Name: B2B public relations agencies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 2, 2026 2,566 companies tracked

RevenueBase identified 2,566 B2B public relations agencies headquartered in the United States as of September 2026 and tracks 19,040 professional contacts across them, including 7,603 with verified work emails and 8,254 with mobile numbers. New York is the largest hub.

This list covers B2B public relations 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. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 2, 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 Match evidence on every row Refreshed Sep 2, 2026 86% judged on-target in blind review

2,566Companies

19,040Contacts tracked

7,603Verified emails

8,254Mobile numbers

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The 25 largest B2B public relations agencies based in the United States

Ranked by team size

Top 25 of 2,566 B2B public relations agencies based in the United States, ranked by team size, largest first. Data refreshed Sep 2, 2026. Evidence rates how directly each company's own description names B2B public relations 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
1	Prosek PartnersIndirect evidence	Boston, MA, United States	201-500	541
	“Prosek Partners builds – and protects – the top brands in business.” Source: company website · checked Sep 2, 2026
2	5wprIndirect evidence	New York, NY, United States	201-500	392
	“5WPR is one of the largest independently owned PR and digital marketing agencies in the US.” Source: company website · checked Sep 2, 2026
3	MikeworldwideIndirect evidence	Hasbrouck Heights, NJ, United States	51-200	377
	“MWW is one of the world’s leading independent, integrated PR agencies with offices across the US and UK, and a global network of partners.” Source: company website · checked Sep 2, 2026
4	DKCStrong evidence	New York, NY, United States	201-500	346
	“DKC is a full service public relations, marketing and government affairs firm and part of the Acceleration Community of Companies, Based in New York City, and with offices in Los…” Source: company website · checked Sep 2, 2026
5	Berlinrosen, An Orchestra CompanyIndirect evidence	New York, NY, United States	201-500	307
	“Built to operate with the speed and intensity of a political campaign, BerlinRosen takes a 360-degree approach to communications, activating audiences and elevating story above…” Source: company website · checked Sep 2, 2026
6	SKDKStrong evidence	Los Angeles, CA, United States	51-200	216
	“SKDK provides strategic advice, public relations, crisis communications, advertising, direct mail, and research to national and international companies, advocacy organizations…” Source: company website · checked Sep 2, 2026
7	Coyne PRIndirect evidence	Parsippany, NJ, United States	51-200	197
	“Every day is Independence Day at Coyne PR.” Source: company website · checked Sep 2, 2026
8	MCCIndirect evidence	Dallas, TX, United States	51-200	197
	“In 2019, MCC became a wholly owned subsidiary of Mod Op, a digital marketing agency with offices across the U.S.” Source: company website · checked Sep 2, 2026
9	Havas FormulaStrong evidence	Chicago, IL, United States	51-200	188
	“Havas Formula is a national public relations agency with offices on both coasts and premier clients across the country.” Source: company website · checked Sep 2, 2026
10	Flint Group Of AgenciesIndirect evidence	Fargo, ND, United States	51-200	151
	“Flint Group brings together strategic marketing, PR, and communications expertise across traditional and non-traditional channels.” Source: company website · checked Sep 2, 2026
11	42westStrong evidence	New York, NY, United States	51-200	125
	“42West is a leading full-service public relations powerhouse.” Source: company website · checked Sep 2, 2026
12	The Martin GroupIndirect evidence	Albany, NY, United States	51-200	117
	“The Martin Group is a leading integrated communications firm headquartered in downtown Buffalo with offices in New York City, Rochester and Albany, NY.” Source: company website · checked Sep 2, 2026
13	Narrative StrategiesPartial evidence	Washington, DC, United States	51-200	111
	“Narrative is a full-service strategic communications firm creatively solving today’s most demanding reputational and public affairs challenges.” Source: company website · checked Sep 2, 2026
14	Gregory FCAIndirect evidence	Ardmore, PA, United States	51-200	110
	“At Gregory FCA, we’re a 30-year success story, forged by exceeding client expectations during every engagement.” Source: company website · checked Sep 2, 2026
15	VOX GlobalIndirect evidence	Indianapolis, IN, United States	51-200	100
	“It starts with a goal: yours.” Source: company website · checked Sep 2, 2026
16	Regan CommunicationsIndirect evidence	Osterville, MA, United States	51-200	90
	“At 40 Regan Communications Group (RCG) has hit its prime!” Source: company website · checked Sep 2, 2026
17	BosparIndirect evidence	Chicago, IL, United States	51-200	87
	“Bospar is an award-winning boutique tech PR firm of highly seasoned professionals who exist to make the absolute most of your breakthrough ideas, technologies, products and…” Source: company website · checked Sep 2, 2026
18	LSGPartial evidence	Washington, DC, United States	51-200	86
	“We work with corporations, trade associations, and nonprofits to change hearts and minds, move public opinion, and help brands connect to the public conscience in a rapidly…” Source: company website · checked Sep 2, 2026
19	CodewordIndirect evidence	San Francisco, CA, United States	51-200	82
	“Codeword is an end-to-end PR, strategy, and communications agency with deep expertise in tech messaging, reputation, and storytelling.” Source: company website · checked Sep 2, 2026
20	SBS CommsIndirect evidence	San Francisco, CA, United States	51-200	71
	“Most PR agencies optimize for process.” Source: company website · checked Sep 2, 2026
21	Omnicom Public RelationsStrong evidence	New York, NY, United States	5,001-10,000	70
	“Omnicom Public Relations brings together more than of the best minds in the communications industry to deliver meaningful, measurable results for clients.” Source: company website · checked Sep 2, 2026
22	Marathon Strategies LLCIndirect evidence	New York, NY, United States	51-200	69
	“Marathon combines research, digital, and communications strategies to meet complex PR challenges with simple solutions.” Source: company website · checked Sep 2, 2026
23	French West VaughanIndirect evidence	Tampa, FL, United States	51-200	69
	“Welcome to French/West/Vaughan.” Source: company website · checked Sep 2, 2026
24	Align Public RelationsIndirect evidence	Beverly Hills, CA, United States	51-200	66
	“Where Entertainment + Communication align.” Source: company website · checked Sep 2, 2026
25	Shift CommunicationsPartial evidence	New York, United States	51-200	58
	“SHIFT Communications is an integrated PR and communications agency that turns PR into business impact for B2B Technology, Healthcare and Consumer brands.” Source: company website · checked Sep 2, 2026

Showing 25 of 2,566 B2B public relations agencies based in the United States

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B2B public relations agencies based in the United States at a glance

As of Sep 2, 2026

1-10Median size (employees)

New YorkLargest hub · 233 HQs

8,254Contacts with mobile numbers

Sep 2, 2026Data refreshed

Companies by employee count

1-10

1,969

11-50

530

51-200

201-500

501-1,000

5,001-10,000

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 B2B public relations 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: 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 “B2B public relations 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 B2B public relations agencies, 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, 7,603 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 2, 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.

B2B public relations agencies by metro

Frequently asked

How many B2B public relations agencies are there based in the United States?

RevenueBase identified 2,566 B2B public relations agencies 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?

Prosek Partners, headquartered in Boston, tops this list with the largest team on record.

Which city has the most B2B public relations agencies?

New York leads with 233 headquartered companies, followed by Los Angeles (119) and Chicago (64).

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 7,603 verified decision-maker contacts tracked across these 2,566 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 2, 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.