Company lists · Data refreshed November 2026

Top 25 Legislative consultants worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 5,567 companies tracked

RevenueBase identified 5,567 company matches for legislative consultants worldwide as of November 2026 and tracks 52,651 professional contacts across them, including 22,933 with verified work emails. The United States is the largest market and Washington the largest hub.

This list covers company matches for legislative consultants 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 November 6, 2026. Country and city lists for legislative consultants 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 Nov 6, 2026 How this list was built

5,567Companies

52,651Contacts tracked

22,933Verified emails

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The 25 largest legislative consultants worldwide

Ranked by team size

Top 25 of 5,567 company matches for legislative consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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, MN, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,189 contacts →
	Exact match “At Taft, we work as one team, driven and committed to helping you succeed.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Nelson Mullins Riley & Scarborough	Exact match	Columbia, SC, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,131 contacts →
	Exact match “Established in 1897, Nelson Mullins is an Am Law 100 firm of more than attorneys, policy advisors and professionals with 33 offices in 17 states and Washington, D.C.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Venable LLP	Exact match	Washington, DE, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,873 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 · Nov 6, 2026 · View company records in RevenueBase
4	Buchanan Ingersoll & Rooney PC	Exact match	Pittsburgh, PA, United StatesHQ recorded Nov 6, 2026	501-1,000	1,261 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 · Nov 6, 2026 · View company records in RevenueBase
5	Manatt, Phelps & Phillips, LLP	Exact match	Los Angeles, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	1,149 contacts →
	Exact match “Forget everything you thought you knew about professional services firms.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Bracewell LLP	Exact match	Houston, United StatesHQ recorded Nov 6, 2026	501-1,000	1,001 contacts →
	Exact match “Bracewell LLP is a leading law and government relations firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Brownstein Hyatt Farber Schreck	Exact match	Denver, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	941 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 · Nov 6, 2026 · View company records in RevenueBase
8	Fredrikson & Byron, P.A	Exact match	Minneapolis, IA, United StatesHQ recorded Nov 6, 2026	501-1,000	898 contacts →
	Exact match “At Fredrikson, we’ve built a reputation as the firm “where law and business meet” by bringing business acumen and entrepreneurial thinking to our work with clients, and by…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	DDC Public Affairs	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	51-200	417 contacts →
	Exact match “DDC Public Affairs builds communities of advocates that impact policy and win campaigns.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Mercury Public Affairs, LLC	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	51-200	403 contacts →
	Exact match “Mercury is a national bipartisan government relations and strategic communications firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	CMM DE LA Calle, Madrazo, Mancera SC	Exact match	Miguel Hidalgo, MexicoHQ recorded Nov 6, 2026	n/a	380 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 · Nov 6, 2026 · View company records in RevenueBase
12	DKC	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	201-500	375 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 · Nov 6, 2026 · View company records in RevenueBase
13	Mcnees Wallace & Nurick	Exact match	Harrisburg, PA, United StatesHQ recorded Nov 6, 2026	201-500	343 contacts →
	Exact match “Since 1935, McNees Wallace & Nurick has been a trusted, client-focused law firm delivering practical, results-driven legal solutions to businesses, individuals, and organizations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Cornerstone Government Affairs	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	201-500	276 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 · Nov 6, 2026 · View company records in RevenueBase
15	Public Sector Consultants	Exact match	Lansing, MI, United StatesHQ recorded Nov 6, 2026	n/a	272 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 · Nov 6, 2026 · View company records in RevenueBase
16	BGR Group	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	51-200	269 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 · Nov 6, 2026 · View company records in RevenueBase
17	Keller And Heckman LLP	Exact match	Washington, United StatesHQ recorded Nov 6, 2026	51-200	238 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 · Nov 6, 2026 · View company records in RevenueBase
18	SKDK	Exact match	Washington, CA, United StatesHQ recorded Nov 6, 2026	51-200	229 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 · Nov 6, 2026 · View company records in RevenueBase
19	DCI	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	51-200	222 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 · Nov 6, 2026 · View company records in RevenueBase
20	Harmon Corporate Affairs	Exact match	Madrid, SpainHQ recorded Nov 6, 2026	51-200	206 contacts →
	Exact match “Harmon is a strategic consulting firm that advises organizations on interpreting their environment and connecting with their stakeholders through non-market strategies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Plus Communications	Exact match	Arlington, VA, United StatesHQ recorded Nov 6, 2026	201-500	196 contacts →
	Exact match “Strategy + Execution = Results.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	AVŌQ	Exact match	Washington, NY, United StatesHQ recorded Nov 6, 2026	201-500	195 contacts →
	Exact match “Excellence isn’t enough.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Global Strategy Group	Exact match	New York, CT, United StatesHQ recorded Nov 6, 2026	51-200	186 contacts →
	Exact match “Global Strategy Group is the go-to public affairs, communications, and research partner for companies, causes, and campaigns.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Invariant	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	51-200	172 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 · Nov 6, 2026 · View company records in RevenueBase
25	Political Intelligence Brussels	Exact match	Brussels, BelgiumHQ recorded Nov 6, 2026	n/a	167 contacts →
	Exact match “Political Intelligence is an independent public affairs consultancy, with offices in Brussels, Lisbon, London, Madrid.” Recorded in the RevenueBase company graph · Nov 6, 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 consultants”. 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 5,567 legislative consultants worldwide

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Legislative consultants worldwide at a glance

As of Nov 6, 2026

43.6%Verified-email coverage

9.5Average contacts per company

1-10Median size (employees)

11.4%Largest-city concentration · Washington

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

4,331

11-50

1,024

51-200

156

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 consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “legislative consultants” 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 22,933 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 November 6, 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 consultants by location

46 lists · largest first

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

How many legislative consultants are there worldwide?

RevenueBase identified 5,567 company matches for legislative consultants worldwide as of November 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 consultants?

The United States leads with 2,842 companies, followed by Canada (178) and Brazil (166). Every legislative consultants list by country and city is linked on this page.

Which city has the most legislative consultants?

Washington leads with 632 company records, followed by Sacramento (111) and Austin (93).

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 22,933 professional contacts with verified work emails tracked across these 5,567 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 November 6, 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.