Company lists · Data refreshed September 2026

Top 25 Government affairs consulting firms worldwide

Name: Government affairs consulting firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 4,460 companies tracked

RevenueBase identified 4,460 company matches for government affairs consulting firms worldwide as of September 2026 and tracks 39,532 professional contacts across them, including 17,558 with verified work emails. The United States is the largest market and Washington the largest hub.

This list covers company matches for government affairs consulting firms 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 affairs consulting firms 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

4,460Companies

39,532Contacts tracked

17,558Verified emails

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The 25 largest government affairs consulting firms worldwide

Ranked by team size

Top 25 of 4,460 company matches for government affairs consulting firms 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Taft Stettinius & Hollister LLP	Exact match	Cincinnati, OH, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,980 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
2	Venable LLP	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,790 contacts →
	Exact match “Committed to Your Success – As a law firm of more than 900 professionals, Venable delivers legal services globally in every area of regulatory compliance, government affairs…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Buchanan Ingersoll & Rooney PC	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 28, 2026	501-1,000	1,197 contacts →
	Exact match “Buchanan Ingersoll & Rooney is a national law firm with a proven reputation for providing progressive, industry-leading legal, business, regulatory and government relations advice…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Bracewell LLP	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	501-1,000	933 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
5	Brownstein Hyatt Farber Schreck	Exact match	Denver, CO, United StatesHQ recorded Sep 28, 2026	501-1,000	902 contacts →
	Exact match “For decades, we’ve positioned ourselves at the intersection of law, business and policy to bring a multidisciplinary strategy to every issue.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	DDC Public Affairs	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	411 contacts →
	Exact match “DDC Public Affairs builds communities of advocates that impact policy and win campaigns.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Mercury Public Affairs, LLC	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	51-200	390 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
8	CMM DE LA Calle, Madrazo, Mancera SC	Exact match	Miguel Hidalgo, MexicoHQ recorded Sep 28, 2026	n/a	362 contacts →
	Exact match “Somos una empresa consultora en asuntos públicos que conjunta sustancia con forma y traduce pensamiento al considerar gran diversidad de puntos de vista y panoramas.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	DKC	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	201-500	349 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
10	Cornerstone Government Affairs	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	201-500	255 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
11	BGR Group	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	243 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
12	Keller And Heckman LLP	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	230 contacts →
	Exact match “Keller and Heckman, founded in 1962, has a broad practice in the areas of regulatory law, public policy, and litigation, serving both domestic and international clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	SKDK	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	220 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
14	DCI	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	198 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
15	Plus Communications	Exact match	Arlington, VA, United StatesHQ recorded Sep 28, 2026	201-500	188 contacts →
	Exact match “Strategy + Execution = Results.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Lilly & Company	Exact match	Austin, TX, United StatesHQ recorded Sep 28, 2026	n/a	187 contacts →
	Exact match “Since its inception, Lilly & Company has built a unique and comprehensive strategy for providing the best possible services available in political fundraising and grassroots…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Mcallister & Quinn	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	170 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
18	Bowergroupasia	Exact match	Washington, United StatesHQ recorded Sep 28, 2026	201-500	169 contacts →
	Exact match “BGA is the government affairs firm for companies and capital deployers whose success across the Indo-Pacific and Africa depends on how governments decide and act.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Invariant	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	166 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
20	Political Intelligence Brussels	Exact match	Brussels, BelgiumHQ recorded Sep 28, 2026	n/a	163 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
21	BMJ Consultores Associados	Exact match	Brasilia, BrazilHQ recorded Sep 28, 2026	51-200	139 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
22	Vriens & Partners	Exact match	SingaporeHQ recorded Sep 28, 2026	51-200	134 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
23	Strategycorp	Exact match	Toronto, ON, CanadaHQ recorded Sep 28, 2026	51-200	130 contacts →
	Exact match “Being right isn't enough.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Mcguirewoods Consulting	Exact match	Richmond, VA, United StatesHQ recorded Sep 28, 2026	51-200	127 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
25	Global Counsel	Exact match	Doha, United KingdomHQ recorded Sep 28, 2026	51-200	125 contacts →
	Exact match “Global Counsel is an advisory firm that works with clients to navigate the critical area between business, politics and policymaking.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “government affairs consulting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 4,460 government affairs consulting firms worldwide

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Government affairs consulting firms worldwide at a glance

As of Sep 28, 2026

44.4%Verified-email coverage

8.9Average contacts per company

1-10Median size (employees)

13.0%Largest-city concentration · Washington

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

3,466

11-50

817

51-200

133

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 affairs consulting firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “government affairs consulting firms” 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 17,558 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 affairs consulting firms by location

38 lists · largest first

Every Government affairs consulting firms 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 affairs consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many government affairs consulting firms are there worldwide?

RevenueBase identified 4,460 company matches for government affairs consulting firms 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 affairs consulting firms?

The United States leads with 2,529 companies, followed by Canada (147) and Brazil (91). Every government affairs consulting firms list by country and city is linked on this page.

Which city has the most government affairs consulting firms?

Washington leads with 579 company records, followed by Sacramento (103) and Austin (85).

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 17,558 professional contacts with verified work emails tracked across these 4,460 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.