Company lists · Data refreshed September 2026

Top 25 Government relations consultancies worldwide

RevenueBase identified 3,690 company matches for government relations consultancies worldwide as of September 2026 and tracks 29,426 professional contacts across them, including 12,368 with verified work emails. The United States is the largest market and Washington the largest hub.

This list covers company matches for government relations consultancies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 2026. Country and city lists for government relations consultancies follow the table.

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 RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built
3,690Companies
29,426Contacts tracked
12,368Verified emails
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The 25 largest government relations consultancies worldwide

Ranked by team size
Top 25 of 3,690 company matches for government relations consultancies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchCincinnati, OH, United StatesHQ recorded Sep 28, 20261,001-5,0001,980 contacts →

Exact match

“At Taft, we work as one team, driven and committed to helping you succeed.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchHouston, TX, United StatesHQ recorded Sep 28, 2026501-1,000933 contacts →

Exact match

“Bracewell LLP is a leading law and government relations firm.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchNew York, NY, United StatesHQ recorded Sep 28, 202651-200390 contacts →

Exact match

“Mercury is a national bipartisan government relations and strategic communications firm.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Sep 28, 2026201-500349 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchWashington, DC, United StatesHQ recorded Sep 28, 2026201-500255 contacts →

Exact match

“Cornerstone Government Affairs is a full-service, bipartisan, employee-owned firm specializing in government relations and lobbying, public affairs, strategic communications, and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202651-200243 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 28, 2026201-500229 contacts →

Exact match

“Portland is a consultancy specialising in public affairs, corporate affairs and geopolitics.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202651-200220 contacts →

Exact match

“SKDK provides strategic advice, public relations, crisis communications, advertising, direct mail, and research to national and international companies, advocacy organizations…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Sep 28, 202651-200214 contacts →

Exact match

“Flint specialises in advising businesses and investors on how to navigate and surmount the policy, political, regulatory and competition challenges they face in European and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202651-200198 contacts →

Exact match

“DCI Group is an independent public affairs consulting firm that specializes in public relations, crisis management, grassroots engagement, and digital advocacy.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchArlington, VA, United StatesHQ recorded Sep 28, 2026201-500188 contacts →

Exact match

“Strategy + Execution = Results.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202651-200170 contacts →

Exact match

“McAllister & Quinn is a Washington, DC consulting firm that provides a comprehensive range of services to a diverse group of clients with issues before the federal government.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202651-200166 contacts →

Exact match

“Invariant is a bipartisan business advisory firm, providing strategic advice to companies, trade associations, non-profits, and individuals on how to make Washington work for them.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchBrussels, BelgiumHQ recorded Sep 28, 2026n/a163 contacts →

Exact match

“Political Intelligence is an independent public affairs consultancy, with offices in Brussels, Lisbon, London, Madrid.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchBrasilia, BrazilHQ recorded Sep 28, 202651-200139 contacts →

Exact match

“BMJ & Associates is a Brazilian consulting firm specialized in International Trade, Government Affairs, Tax Analysis, Strategic Communication and Regulatory Affairs.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchSingaporeHQ recorded Sep 28, 202651-200134 contacts →

Exact match

“Vriens & Partners is Southeast Asia’s leading government affairs consultancy, with over 115 staff and 50 advisors across 9 offices in capitals around the region and in Washington…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchToronto, ON, CanadaHQ recorded Sep 28, 202651-200130 contacts →

Exact match

“Being right isn't enough.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchRichmond, VA, United StatesHQ recorded Sep 28, 202651-200127 contacts →

Exact match

“What people say and do in government can have a profound impact on your organization.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchWashington, DC, United StatesHQ recorded Sep 28, 2026201-500121 contacts →

Exact match

“Edelman’s public and government affairs team of consultants are trusted and experienced public affairs advisors-including former government officials, political advisors, policy…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchBelgiumHQ recorded Sep 28, 2026201-500120 contacts →

Exact match

“Rud Pedersen Public Affairs is a rapidly growing Public Affairs consultancy and one of the largest European consultancies specializing in the field.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchNew Delhi, IndiaHQ recorded Sep 28, 202651-200119 contacts →

Exact match

“Founded in 2012, Aakhya India is an independent, full-service strategic public affairs consultancy firm specializing in policy advocacy, communications and public relations.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchItalyHQ recorded Sep 28, 202651-200104 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchArlington, VA, United StatesHQ recorded Sep 28, 202651-200104 contacts →

Exact match

“MultiState is a full-service state and local government relations company.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchBrasilia, BrazilHQ recorded Sep 28, 202651-200103 contacts →

Exact match

“PATRI is a Public Affairs and Government Relations consultancy with over 35 years of experience in Brazil (with offices in Brasília, São Paulo and Belo Horizonte) and a presence…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchArlington, VA, United StatesHQ recorded Sep 28, 202651-200102 contacts →

Exact match

“Stateside Associates is the largest state and local government affairs firm.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 3,690 government relations consultancies worldwide

See the full list, filter by size, metro and specialty, and access 12,368 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Government relations consultancies worldwide at a glance

As of Sep 28, 2026
42.0%Verified-email coverage
8.0Average contacts per company
1-10Median size (employees)
11.6%Largest-city concentration · Washington
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
2,860
11-50
682
51-200
112
201-500
17
501-1,000
6
1,001-5,000
2
5,001-10,000
1
10001+
1

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

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.
Coverage
Every country. Country and city lists for government relations consultancies are linked below.
What qualifies
Company records worldwide whose business descriptions match “government relations consultancies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 12,368 professional contacts with verified work emails across the full matched dataset. 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 28, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Government relations consultancies by location

31 lists · largest first

Every Government relations consultancies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “government relations consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many government relations consultancies are there worldwide?

RevenueBase identified 3,690 company matches for government relations consultancies worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Taft Stettinius & Hollister LLP tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most government relations consultancies?

The United States leads with 1,803 companies, followed by Brazil (120) and Canada (120). Every government relations consultancies list by country and city is linked on this page.

Which city has the most government relations consultancies?

Washington leads with 429 company records, followed by Sacramento (80) and Austin (61).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 12,368 professional contacts with verified work emails tracked across these 3,690 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 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.