Company lists · Data refreshed September 2026
Top 25 Startup public relations agencies based in the United States
RevenueBase identified 3,100 startup public relations agencies headquartered in the United States as of September 2026 and tracks 24,789 professional contacts across them, including 9,890 with verified work emails. New York is the largest hub.
This list covers startup 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 25 largest startup public relations agencies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 397 contacts → | ||||
Indirect evidence “5WPR is one of the largest independently owned PR and digital marketing agencies in the US.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 381 contacts → | ||||
Indirect evidence “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: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 349 contacts → | ||||
Strong evidence “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: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 302 contacts → | ||||
Indirect evidence “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: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 256 contacts → | ||||
Strong evidence “CLD PR is a full-service public relations agency, focusing most heavily on celebrity, media, and influencer placement along with brand development and event production.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 238 contacts → | ||||
Strong evidence “Autumn Communications is a full-service public relations and marketing firm with offices in New York City and Los Angeles.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 206 contacts → | ||||
Indirect evidence “Increasing visibility, relevance and value.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 199 contacts → | ||||
Indirect evidence “Moris Media is globally recognized as The Digital Doctors, a world-class boutique PR and digital marketing partner trusted for credibility, clarity and long-term growth.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 197 contacts → | ||||
Indirect evidence “Citizen is a global PR agency built to unleash the potential of ambitious brands.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 195 contacts → | ||||
Indirect evidence “Every day is Independence Day at Coyne PR.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 187 contacts → | ||||
Strong evidence “Havas Formula is a national public relations agency with offices on both coasts and premier clients across the country.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 178 contacts → | ||||
Indirect evidence “Your vision deserves results.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 154 contacts → | ||||
Indirect evidence “Established in 1993, ID is the largest independently owned full-service communications agency in the U.S, with offices in Los Angeles and New York.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 154 contacts → | ||||
Indirect evidence “Michele Marie PR focuses on developing and executing strategically targeted press campaigns to brand clients as leaders in their own particular sect.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 152 contacts → | ||||
Indirect evidence “A strategic communications agency, Inkhouse partners with innovators who are creating new markets or disrupting old ones-crafting stories and meeting audiences where they are.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 150 contacts → | ||||
Indirect evidence “Flint Group brings together strategic marketing, PR, and communications expertise across traditional and non-traditional channels.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 148 contacts → | ||||
Strong evidence “ALISON BROD MARKETING AND COMMUNICATIONS is a beauty, fashion and fashion production, restaurant & spirits, celebrity, entertainment & lifestyle public relations and marketing…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 128 contacts → | ||||
Strong evidence “42West is a leading full-service public relations powerhouse.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 122 contacts → | ||||
Indirect evidence “Infinite Global is an award-winning strategic communications firm specializing in PR, Content & Campaigns, Digital, and Crisis & Litigation.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 118 contacts → | ||||
Indirect evidence “The Martin Group is a leading integrated communications firm headquartered in downtown Buffalo with offices in New York City, Rochester and Albany, NY.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 109 contacts → | ||||
Indirect evidence “At Gregory FCA, we’re a 30-year success story, forged by exceeding client expectations during every engagement.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 106 contacts → | ||||
Indirect evidence “A global PR and marketing partner for challenger brands.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 102 contacts → | ||||
Strong evidence “KCSA is a fully integrated communications agency specializing in public relations, shareholder communications and social media, with expertise in cannabis, financial and…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 101 contacts → | ||||
Indirect evidence “Connecting with audiences in out-of-the-box ways, Small Girls PR creates unforgettable campaigns that make small brands feel big and big brands feel personal.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 92 contacts → | ||||
Indirect evidence “At 40 Regan Communications Group (RCG) has hit its prime!” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: startup public relations agencies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names startup public relations agencies.
- Partial evidence
- Its own public description names part of startup public relations agencies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name startup public relations agencies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 3,100 startup public relations agencies based in the United States
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Startup public relations agencies based in the United States at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 3,100 companies.
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 startup public relations agencies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search 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 Smart Search, 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 “startup public relations agencies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names startup public relations agencies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among startup 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 its RevenueBase Smart Search 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, 9,890 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 29, 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.
Startup public relations agencies by metro
- Startup public relations agencies in New York394
- Startup public relations agencies in Los Angeles235
- Startup public relations agencies in San Francisco100
- Startup public relations agencies in Chicago78
- Startup public relations agencies in Washington69
- Startup public relations agencies in Atlanta66
- Startup public relations agencies in Miami62
- Startup public relations agencies in Boston61
- Startup public relations agencies in Dallas56
- Startup public relations agencies in Austin52
- Startup public relations agencies in San Diego41
- Startup public relations agencies in Houston40
- Startup public relations agencies in Denver39
- Startup public relations agencies in Las Vegas34
- Startup public relations agencies in Seattle30
- Startup public relations agencies in Philadelphia28
- Startup public relations agencies in Nashville27
- Startup public relations agencies in Beverly Hills26
- Startup public relations agencies in Phoenix25
- Startup public relations agencies in Tampa25
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names startup public relations agencies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many startup public relations agencies are there based in the United States?
RevenueBase identified 3,100 startup 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?
5wpr, headquartered in New York, tops this list with the largest team on record.
Which city has the most startup public relations agencies?
New York leads with 394 headquartered companies, followed by Los Angeles (235) and San Francisco (100).
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 9,890 verified decision-maker contacts tracked across these 3,100 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 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 3,100 startup public relations agencies based in the United States. Start with a free account, no credit card.
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Startup public relations agencies by geography
- Startup public relations agencies based in Melbourne, Australia
- Startup public relations agencies based in Sydney, Australia
- Startup public relations agencies based in Sao Paulo, Brazil
- Startup public relations agencies based in Toronto, Canada
- Startup public relations agencies based in Paris, France
- Startup public relations agencies based in Berlin, Germany
- Startup public relations agencies based in Hamburg, Germany
- Startup public relations agencies based in Mumbai, India
- Startup public relations agencies based in New Delhi, India
- Startup public relations agencies based in Tel Aviv, Israel
- Startup public relations agencies based in Milan, Italy
- Startup public relations agencies based in Amsterdam, Netherlands
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 Smart Search, 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.
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