Company lists · Data refreshed October 2026

Top 25 Advocacy consulting firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 12,937 companies tracked

RevenueBase identified 12,937 company matches for advocacy consulting firms worldwide as of October 2026 and tracks 92,486 professional contacts across them, including 34,561 with verified work emails. The United States is the largest market and Washington the largest hub.

This list covers company matches for advocacy 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 advocacy 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

12,937Companies

92,486Contacts tracked

34,561Verified emails

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The 25 largest advocacy consulting firms worldwide

Ranked by team size

Top 25 of 12,937 company matches for advocacy 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	Faegre Drinker	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,848 contacts →
	Exact match “Faegre Drinker is a firm designed for clients.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	APCO	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,578 contacts →
	Exact match “APCO is a global advisory and advocacy firm helping organizations build the un/common ground upon which progress is made.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	Manatt, Phelps & Phillips, LLP	Exact match	Los Angeles, CA, United StatesHQ recorded Oct 1, 2026	501-1,000	1,085 contacts →
	Exact match “Forget everything you thought you knew about professional services firms.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	Lee, Brock E Camargo Advogados	Exact match	Sao Paulo, BrazilHQ recorded Oct 1, 2026	501-1,000	811 contacts →
	Exact match “Fundada em 2003, a Lee, Brock, Camargo Advogados é uma associação de profissionais com habilidades multidisciplinares desenvolvidas em escritórios de advocacia e empresas e que…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	Solomonedwards	Exact match	Wayne, PA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	557 contacts →
	Exact match “For more than 25 years, SolomonEdwards has empowered organizations to tackle common and complex business challenges through strategic advisory, technical advocacy, and hands-on…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Boies Schiller Flexner LLP	Exact match	New York, NY, United StatesHQ recorded Oct 1, 2026	501-1,000	537 contacts →
	Exact match “A firm of internationally recognized trial lawyers, crisis managers, and strategic advisors known for our creative, aggressive, and efficient pursuit of success for our clients.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	GVA	Exact match	Paris, FranceHQ recorded Oct 1, 2026	51-200	499 contacts →
	Exact match “Créé en 1975, GVA est composé de 80 personnes, pour près de 10 millions de chiffre d’affaires.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	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
10	The Outreach Team	Exact match	Ithaca, NY, United StatesHQ recorded Oct 1, 2026	201-500	398 contacts →
	Exact match “The Outreach Team is a national consulting firm working to make the world a better place.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	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
12	CMM DE LA Calle, Madrazo, Mancera SC	Exact match	Miguel Hidalgo, MexicoHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
13	Deep Water Point & Associates	Exact match	Annapolis, MD, United StatesHQ recorded Oct 1, 2026	201-500	350 contacts →
	Exact match “Deep Water Point & Associates is composed of industry veterans and government experts who dedicate their expertise to maximize our clients’ competitive edge.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	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
15	C & M Consultores S.A.S	Exact match	Bogotá, ColombiaHQ recorded Oct 1, 2026	51-200	304 contacts →
	Exact match “C&M Consultores S.A.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Berlinrosen, An Orchestra Company	Exact match	New York, NY, United StatesHQ recorded Oct 1, 2026	201-500	302 contacts →
	Exact match “Built to operate with the speed and intensity of a political campaign, BerlinRosen takes a 360-degree approach to communications, activating audiences and elevating story above…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	Bully Pulpit International	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	51-200	282 contacts →
	Exact match “Bully Pulpit International (BPI) is an outcomes agency at the intersection of business, politics, and policy.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	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
19	SSA Consultants	Exact match	Baton Rouge, LA, United StatesHQ recorded Oct 1, 2026	n/a	258 contacts →
	Exact match “We are partners and advisors of leading organizations and governments, bound to and inspired by a mission of helping our clients improve their performance.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	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
21	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
22	Portland	Exact match	London, United KingdomHQ recorded Oct 1, 2026	201-500	229 contacts →
	Exact match “Portland is a consultancy specialising in public affairs, corporate affairs and geopolitics.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Missionwired	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	201-500	226 contacts →
	Exact match “At MissionWired, we believe your world-changing cause deserves more than marginal gains.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	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
25	Lenczner Slaght	Exact match	Toronto, ON, CanadaHQ recorded Oct 1, 2026	51-200	217 contacts →
	Exact match “Widely recognized as Canada’s leading litigation practice, we have successfully represented clients’ interests in some of the most complex, high-profile cases in Canadian legal…” 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 “advocacy 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 12,937 advocacy consulting firms worldwide

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Advocacy consulting firms worldwide at a glance

As of Oct 1, 2026

37.4%Verified-email coverage

7.1Average contacts per company

1-10Median size (employees)

6.7%Largest-city concentration · Washington

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

10,080

11-50

2,370

51-200

369

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 advocacy consulting firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “advocacy 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 34,561 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.

Advocacy consulting firms by location

86 lists · largest first

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

How many advocacy consulting firms are there worldwide?

RevenueBase identified 12,937 company matches for advocacy 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 advocacy consulting firms?

The United States leads with 5,712 companies, followed by Brazil (542) and Canada (396). Every advocacy consulting firms list by country and city is linked on this page.

Which city has the most advocacy consulting firms?

Washington leads with 867 company records, followed by New York (253) and London (200).

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 34,561 professional contacts with verified work emails tracked across these 12,937 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.