Company lists · Data refreshed September 2026
Top 25 Advocacy public relations firms based in Washington, United States
RevenueBase identified 623 advocacy public relations firms headquartered in Washington, United States as of September 2026 and tracks 8,544 professional contacts across them, including 4,480 with verified work emails. Across the United States, Washington is the largest hub for this category.
This list covers advocacy public relations firms headquartered in Washington, 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 27, 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 advocacy public relations firms based in Washington, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 411 contacts → | ||||
Strong evidence “DDC Public Affairs builds communities of advocates that impact policy and win campaigns.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 2 | 282 contacts → | ||||
Indirect evidence “Bully Pulpit International (BPI) is an outcomes agency at the intersection of business, politics, and policy.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 3 | 255 contacts → | ||||
Strong evidence “Cornerstone Government Affairs is a full-service, bipartisan, employee-owned firm specializing in government relations and lobbying, public affairs, strategic communications, and…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 4 | 243 contacts → | ||||
Partial evidence “The Services You Need BGR Group offers an integrated suite of bipartisan lobbying, strategic communications and advocacy solutions that help meet challenges in a risky…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 5 | 239 contacts → | ||||
Indirect evidence “We’re bold.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 6 | 226 contacts → | ||||
Indirect evidence “At MissionWired, we believe your world-changing cause deserves more than marginal gains.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 7 | 220 contacts → | ||||
Strong evidence “SKDK provides strategic advice, public relations, crisis communications, advertising, direct mail, and research to national and international companies, advocacy organizations…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 8 | 205 contacts → | ||||
Indirect evidence “Excellence isn’t enough.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 9 | 198 contacts → | ||||
Strong evidence “DCI Group is an independent public affairs consulting firm that specializes in public relations, crisis management, grassroots engagement, and digital advocacy.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 10 | 166 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 11 | 161 contacts → | ||||
Indirect evidence “The Rational Way: All in Partners Rational 360 is a leading full-service strategic communications and digital agency, with offices and staff located across the country.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 12 | 126 contacts → | ||||
Partial evidence “At JPA Health, we sync-up PR, marketing, advocacy and medical comms to share our clients’ commitment that helps people live healthier lives.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 13 | 111 contacts → | ||||
Partial evidence “Narrative is a full-service strategic communications firm creatively solving today’s most demanding reputational and public affairs challenges.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 14 | 99 contacts → | ||||
Indirect evidence “It starts with a goal: yours.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 15 | 97 contacts → | ||||
Strong evidence “Monument Advocacy is a bipartisan firm that offers government relations, public affairs, strategic and crisis communications, and digital services.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 16 | 85 contacts → | ||||
Partial evidence “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: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 17 | 84 contacts → | ||||
Partial evidence “Founded in 1982, The Ferguson Group has a proud record of success advocating on behalf of local communities.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 18 | 81 contacts → | ||||
Indirect evidence “The Brand Guild is the agency of choice for market makers pushing their way to scale and for market leaders breathing new energy into their organizations.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 19 | 79 contacts → | ||||
Indirect evidence “At Cassidy and Associates, we make Washington work for you.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 20 | 76 contacts → | ||||
Indirect evidence “The Herald Group offers the best of both worlds – the full-scale capabilities and reach of a large firm with the servicing and attention of a small firm.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 21 | 74 contacts → | ||||
Indirect evidence “Seven Letter, formerly Blue Engine + JDA, provides strategic communications solutions to the complex challenges facing corporations, nonprofits, coalitions and associations.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 22 | 69 contacts → | ||||
Indirect evidence “Established in 2010, Thorn Run Partners is a leading Washington, DC-based government affairs firm whose members are Capitol Hill veterans with over a century’s experience in…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 23 | 69 contacts → | ||||
Partial evidence “NJI is an award-winning global agency that provides creative strategy for public affairs.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 24 | 64 contacts → | ||||
Indirect evidence “Whiteboard Advisors is a unique strategic consulting and communications firm.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 25 | 63 contacts → | ||||
Strong evidence “Capitol Counsel, LLC is a full service government relations firm providing political analysis, strategic advice and advocacy services.” Source: RevenueBase Database · checked Sep 27, 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: advocacy public relations firms. 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 advocacy public relations firms.
- Partial evidence
- Its own public description names part of advocacy public relations firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name advocacy public relations firms. 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 623 advocacy public relations firms based in Washington, United States
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Advocacy public relations firms based in Washington, United States at a glance
As of Sep 27, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 623 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 advocacy public relations firms, 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 Washington, United States whose own description of what they do matches “advocacy public relations firms”. 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 advocacy public relations firms), 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 advocacy public relations firms, and records with no verified work email. Companies headquartered outside Washington 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, 4,480 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 27, 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.
Advocacy public relations firms by metro in the United States
- Advocacy public relations firms in New York493
- Advocacy public relations firms in Los Angeles284
- Advocacy public relations firms in Chicago163
- Advocacy public relations firms in Austin136
- Advocacy public relations firms in Sacramento115
- Advocacy public relations firms in San Francisco115
- Advocacy public relations firms in Atlanta107
- Advocacy public relations firms in Boston103
- Advocacy public relations firms in Denver97
- Advocacy public relations firms in Dallas91
- Advocacy public relations firms in Miami90
- Advocacy public relations firms in Houston69
- Advocacy public relations firms in Phoenix68
- Advocacy public relations firms in Philadelphia64
- Advocacy public relations firms in San Diego64
- Advocacy public relations firms in Seattle64
- Advocacy public relations firms in Nashville54
- Advocacy public relations firms in Alexandria53
- Advocacy public relations firms in Columbus53
- Advocacy public relations firms in Portland50
- Advocacy public relations firms in Las Vegas46
- Advocacy public relations firms in Minneapolis46
- Advocacy public relations firms in Arlington44
- Advocacy public relations firms in Tallahassee42
- Advocacy public relations firms in New York City39
- Advocacy public relations firms in Raleigh38
- Advocacy public relations firms in Indianapolis37
- Advocacy public relations firms in Baltimore36
- Advocacy public relations firms in Tampa35
- Advocacy public relations firms in Orlando34
- Advocacy public relations firms in Richmond34
- Advocacy public relations firms in Lansing31
- Advocacy public relations firms in Albany27
- Advocacy public relations firms in Brooklyn27
- Advocacy public relations firms in Trenton27
- Advocacy public relations firms in Detroit26
- Advocacy public relations firms in Pittsburgh26
- Advocacy public relations firms in Charlotte25
- Advocacy public relations firms in New Orleans25
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 advocacy public relations firms, 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 advocacy public relations firms are there based in Washington, United States?
RevenueBase identified 623 advocacy public relations firms headquartered in Washington, 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?
DDC Public Affairs, headquartered in Washington, tops this list with the largest team on record.
Which city in the United States has the most advocacy public relations firms?
Washington leads the United States with 623 headquartered companies, followed by New York (493) and Los Angeles (284).
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 4,480 verified decision-maker contacts tracked across these 623 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 27, 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.
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