Company lists · Data refreshed September 2026

Top 25 Public relation companies based in San Francisco, United States

Name: Public relation companies based in San Francisco, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 104 companies tracked

RevenueBase identified 104 public relation companies headquartered in San Francisco, United States as of September 2026 and tracks 853 professional contacts across them, including 406 with verified work emails. New York is the largest hub.

This list covers public relation companies headquartered in San Francisco, 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 21, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 21, 2026 86% judged on-target in blind review

104Companies

853Contacts tracked

406Verified emails

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The 25 largest public relation companies based in San Francisco, United States

Ranked by team size

Top 25 of 104 public relation companies based in San Francisco, United States, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to public relation companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Inkhouse, An Orchestra Company	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 21, 2026	51-200	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 21, 2026
2	SBS Comms	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 21, 2026	51-200	72 contacts →
	Indirect evidence “Most PR agencies optimize for process.” Source: RevenueBase Database · checked Sep 21, 2026
3	The Blueshirt Group	Partial evidence	San Francisco, CA, United StatesHQ checked Sep 21, 2026	11-50	60 contacts →
	Partial evidence “The Blueshirt Group has earned its reputation as a leader in investor relations (IR), IPO advisory, financial communications, financial media relations and crisis management.” Source: RevenueBase Database · checked Sep 21, 2026
4	Singer Associates Public Relations SAN Francisco	Strong evidence	San Francisco, CA, United StatesHQ checked Sep 21, 2026	11-50	45 contacts →
	Strong evidence “Singer Associates Public Relations San Francisco is the leading public relations, public affairs, crisis communications agency in California.” Source: RevenueBase Database · checked Sep 21, 2026
5	Glodow Nead Communications	Strong evidence	San Francisco, CA, United StatesHQ checked Sep 21, 2026	11-50	39 contacts →
	Strong evidence “Glodow Nead Communications, LLC is a full-service, San Francisco-based lifestyle and hospitality PR firm specializing in strategic public relations, brand development, social…” Source: RevenueBase Database · checked Sep 21, 2026
6	MSR Communications	Strong evidence	San Francisco, CA, United StatesHQ checked Sep 21, 2026	11-50	39 contacts →
	Strong evidence “MSR Communications is an award-winning, results-driven public relations and marketing communications agency with more than 27 years of global experience.” Source: RevenueBase Database · checked Sep 21, 2026
7	D&a Communications	Strong evidence	San Francisco, CA, United StatesHQ checked Sep 21, 2026	11-50	36 contacts →
	Strong evidence “D&A Communications (D&A) is an equity-first, full-service integrated communications and public relations agency with over 30 years of expertise.” Source: RevenueBase Database · checked Sep 21, 2026
8	J. Wade Public Relations	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 21, 2026	11-50	25 contacts →
	Indirect evidence “J.” Source: RevenueBase Database · checked Sep 21, 2026
9	Technica Communications	Strong evidence	San Francisco, CA, United StatesHQ checked Sep 21, 2026	1-10	19 contacts →
	Strong evidence “Technica Communications is a boutique public relations firm, bringing technology companies access to the minds of the world in a spectrum of ways.” Source: RevenueBase Database · checked Sep 21, 2026
10	Landis Communications Inc. Landis	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 21, 2026	11-50	16 contacts →
	Indirect evidence “At LCI,"We believe in ideas that create change.” Source: RevenueBase Database · checked Sep 21, 2026
11	PR Hacker	Strong evidence	San Francisco, CA, United StatesHQ checked Sep 21, 2026	11-50	14 contacts →
	Strong evidence “PR Hacker is a startup company that is reinventing the field of public relations with ROI-based methodology, data-driven analytics, and viral story-based campaigns.” Source: RevenueBase Database · checked Sep 21, 2026
12	The KEY PR	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 21, 2026	11-50	13 contacts →
	Indirect evidence “The Key brings a new energy and model to the world of PR agencies.” Source: RevenueBase Database · checked Sep 21, 2026
13	JAM Collective	Strong evidence	San Francisco, CA, United StatesHQ checked Sep 21, 2026	11-50	11 contacts →
	Strong evidence “Since JAM Collective has evolved into a versatile and accomplished boutique public relations shop with an impressive roster of nationally and internationally recognized clients…” Source: RevenueBase Database · checked Sep 21, 2026
14	Highwire	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 21, 2026	51-200	11 contacts →
	Indirect evidence “Highwire is a modern communications agency designed for disruptive companies.” Source: RevenueBase Database · checked Sep 21, 2026
15	Blattel Communications	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 21, 2026	11-50	10 contacts →
	Indirect evidence “Blattel Communications was founded in 1990 and has senior professionals in San Francisco, Los Angeles and Washington, D.C.” Source: RevenueBase Database · checked Sep 21, 2026
16	Bergdavis Public Affairs	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 21, 2026	1-10	9 contacts →
	Indirect evidence “BergDavis is now Bodewell Group.” Source: RevenueBase Database · checked Sep 21, 2026
17	Consort Partners	Strong evidence	San Francisco, CA, United StatesHQ checked Sep 21, 2026	11-50	9 contacts →
	Strong evidence “Consort Partners is a boutique public relations firm founded by former C-suite tech execs who understand the value and impact of strategic PR.” Source: RevenueBase Database · checked Sep 21, 2026
18	Si14 Global Communications	Partial evidence	San Francisco, CA, United StatesHQ checked Sep 21, 2026	11-50	8 contacts →
	Partial evidence “Si14 Global Communications is an international full-service PR agency with a proven track record of media relations and content development for high-tech companies.” Source: RevenueBase Database · checked Sep 21, 2026
19	Cinch PR	Strong evidence	San Francisco, CA, United StatesHQ checked Sep 21, 2026	1-10	7 contacts →
	Strong evidence “At Cinch PR, we believe in public relations for purposeful growth.” Source: RevenueBase Database · checked Sep 21, 2026
20	Mackenzie	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 21, 2026	1-10	7 contacts →
	Indirect evidence “MacKenzie is an independent marketing communications agency with a reputation for building reputations.” Source: RevenueBase Database · checked Sep 21, 2026
21	Thermal	Strong evidence	San Francisco, CA, United StatesHQ checked Sep 21, 2026	11-50	6 contacts →
	Strong evidence “The visionaries driving society’s greatest scientific and medical advances choose Thermal to communicate how they Impact Human Health™ *300+ public relations campaigns, 70+…” Source: RevenueBase Database · checked Sep 21, 2026
22	Papalodown Agency	Strong evidence	San Francisco, CA, United StatesHQ checked Sep 21, 2026	1-10	6 contacts →
	Strong evidence “The PapaLoDown Agency is a public relations and booking company specializing in a client base of entrepreneurs in the fashion, art, and entertainment industries.” Source: RevenueBase Database · checked Sep 21, 2026
23	Torch Communications, LLC	Strong evidence	San Francisco, CA, United StatesHQ checked Sep 21, 2026	1-10	6 contacts →
	Strong evidence “Torch Communications is a communications and public relations firm serving the disruptors in technology, healthcare, and beyond.” Source: RevenueBase Database · checked Sep 21, 2026
24	G.F.Bunting CO	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 21, 2026	1-10	5 contacts →
	Indirect evidence “At G.F.BUNTING+CO, we help clients tell their stories.” Source: RevenueBase Database · checked Sep 21, 2026
25	Mercury Global Partners	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 21, 2026	11-50	5 contacts →
	Indirect evidence “Established in 2007, Mercury Global Partners is a boutique PR firm with offices in San Francisco, Amsterdam and London focused on emerging technologies.” Source: RevenueBase Database · checked Sep 21, 2026

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: public relation companies. 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 public relation companies.
Partial evidence: Its own public description names part of public relation companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name public relation companies. 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 104 public relation companies based in San Francisco, United States

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Public relation companies based in San Francisco, United States at a glance

As of Sep 21, 2026

47.6%Verified-email coverage

8.2Average contacts per company

1-10Median size (employees)

526.0%Largest-city concentration · New York

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

Email recency for this list is measured across the whole United States list rather than for San Francisco, so it is reported there. Company counts and contact totals on this page are exact for San Francisco, over 104 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 public relation companies, 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 San Francisco, United States whose own description of what they do matches “public relation companies”. 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 public relation companies), 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 public relation companies, and records with no verified work email. Companies headquartered outside San Francisco 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, 406 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 21, 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.

Public relation companies by metro in the United States

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 public relation companies, 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 public relation companies are there based in San Francisco, United States?

RevenueBase identified 104 public relation companies headquartered in San Francisco, 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?

Inkhouse, An Orchestra Company, headquartered in San Francisco, tops this list with the largest team on record.

Which city has the most public relation companies?

New York leads with 547 headquartered companies, followed by Los Angeles (302) and Washington (165).

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 406 verified decision-maker contacts tracked across these 104 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 21, 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 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.