Company lists · Data refreshed October 2026

Top 25 Legislative consulting firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 4,186 companies tracked

RevenueBase identified 4,186 company matches for legislative consulting firms worldwide as of October 2026 and tracks 31,591 professional contacts across them, including 13,532 with verified work emails. The United States is the largest market and Washington the largest hub.

This list covers company matches for legislative 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 October 1, 2026. Country and city lists for legislative 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 Oct 1, 2026 How this list was built

4,186Companies

31,591Contacts tracked

13,532Verified emails

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The 25 largest legislative consulting firms worldwide

Ranked by team size

Top 25 of 4,186 company matches for legislative consulting firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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 Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
2	Bracewell LLP	Exact match	Houston, TX, United StatesHQ recorded Oct 1, 2026	501-1,000	933 contacts →
	Exact match “Bracewell LLP is a leading law and government relations firm.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	DDC Public Affairs	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
4	Mercury Public Affairs, LLC	Exact match	New York, NY, United StatesHQ recorded Oct 1, 2026	51-200	390 contacts →
	Exact match “Mercury is a national bipartisan government relations and strategic communications firm.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	DKC	Exact match	New York, NY, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
6	Public Sector Consultants	Exact match	Lansing, MI, United StatesHQ recorded Oct 1, 2026	n/a	268 contacts →
	Exact match “Our Mission: Improving the quality of life for residents of Michigan and beyond through the development and implementation of innovative, actionable public policies.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Cornerstone Government Affairs	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
8	BGR Group	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
9	SKDK	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
10	DCI	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
11	Plus Communications	Exact match	Arlington, VA, United StatesHQ recorded Oct 1, 2026	201-500	188 contacts →
	Exact match “Strategy + Execution = Results.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	Mcallister & Quinn	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
13	Invariant	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
14	BMJ Consultores Associados	Exact match	Brasilia, BrazilHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
15	Vriens & Partners	Exact match	SingaporeHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
16	Strategycorp	Exact match	Toronto, ON, CanadaHQ recorded Oct 1, 2026	51-200	130 contacts →
	Exact match “Being right isn't enough.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	Mcguirewoods Consulting	Exact match	Richmond, VA, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
18	Global Counsel	Exact match	Doha, United KingdomHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
19	Public & Government Affairs At Edelman	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	201-500	121 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 · Oct 1, 2026 · View company records in RevenueBase
20	Aakhya India	Exact match	New Delhi, IndiaHQ recorded Oct 1, 2026	51-200	119 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 · Oct 1, 2026 · View company records in RevenueBase
21	Government Services Group	Exact match	Nationwide, United StatesHQ recorded Oct 1, 2026	1,001-5,000	116 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	RPP Group	Exact match	Brussels, BelgiumHQ recorded Oct 1, 2026	51-200	111 contacts →
	Exact match “Since 2002, RPP Group has specialized in policy development as a driver of public affairs.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Cattaneo Zanetto & CO	Exact match	ItalyHQ recorded Oct 1, 2026	51-200	104 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	Multistate	Exact match	Arlington, VA, United StatesHQ recorded Oct 1, 2026	51-200	104 contacts →
	Exact match “MultiState is a full-service state and local government relations company.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	PATRI	Exact match	Brasilia, BrazilHQ recorded Oct 1, 2026	51-200	103 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 · Oct 1, 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 “legislative 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 4,186 legislative consulting firms worldwide

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Legislative consulting firms worldwide at a glance

As of Oct 1, 2026

42.8%Verified-email coverage

7.5Average contacts per company

1-10Median size (employees)

13.1%Largest-city concentration · Washington

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

3,340

11-50

693

51-200

116

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 legislative consulting firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “legislative 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 13,532 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 October 1, 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.

Legislative consulting firms by location

36 lists · largest first

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

How many legislative consulting firms are there worldwide?

RevenueBase identified 4,186 company matches for legislative consulting firms worldwide as of October 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 legislative consulting firms?

The United States leads with 2,430 companies, followed by Canada (171) and Brazil (157). Every legislative consulting firms list by country and city is linked on this page.

Which city has the most legislative consulting firms?

Washington leads with 550 company records, followed by Sacramento (104) and Austin (73).

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 13,532 professional contacts with verified work emails tracked across these 4,186 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 October 1, 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.