Company lists · Data refreshed November 2026

Top 25 Issue advocacy consultants worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 6,892 companies tracked

RevenueBase identified 6,892 company matches for issue advocacy consultants worldwide as of November 2026 and tracks 57,787 professional contacts across them, including 22,689 with verified work emails. The United States is the largest market and Washington the largest hub.

This list covers company matches for issue advocacy 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 issue advocacy 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

6,892Companies

57,787Contacts tracked

22,689Verified emails

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The 25 largest issue advocacy consultants worldwide

Ranked by team size

Top 25 of 6,892 company matches for issue advocacy 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	CCS Fundraising	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	501-1,000	894 contacts →
	Exact match “For over 75 years, CCS Fundraising has empowered many of the world’s greatest organizations to advance some of the most important causes in history.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Industrial	Exact match	n/a	n/a	796 contacts →
	Exact match “We industrialise new and emerging technology – putting it to work inside political offices, owner-led businesses and prestige brands before their competitors get there.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	The Outreach Team	Exact match	Ithaca, NY, United StatesHQ recorded Nov 6, 2026	201-500	523 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 · Nov 6, 2026 · View company records in RevenueBase
4	Emperor	Exact match	Aldgate, United KingdomHQ recorded Nov 6, 2026	201-500	445 contacts →
	Exact match “Emperor is one of the UK's leading employee-owned creative communications agencies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	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
6	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
7	Fieldworks	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	5,001-10,000	393 contacts →
	Exact match “FieldWorks brings innovative grassroots and field strategies to Democratic and progressive campaigns and organizations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	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
9	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
10	Nail Communications	Exact match	Providence, RI, United StatesHQ recorded Nov 6, 2026	n/a	348 contacts →
	Exact match “Nail Where every brand finds its fascinating.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Berlinrosen, An Orchestra Company	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	201-500	315 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 · Nov 6, 2026 · View company records in RevenueBase
12	Bully Pulpit International	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	201-500	311 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 · Nov 6, 2026 · View company records in RevenueBase
13	Reingold, INC	Exact match	Alexandria, VA, United StatesHQ recorded Nov 6, 2026	201-500	305 contacts →
	Exact match “Reingold is a full-service strategic communications and marketing firm, helping clients tell stories that get results.” 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	The Lede Company	Exact match	Beverly Hills, CA, United StatesHQ recorded Nov 6, 2026	51-200	269 contacts →
	Exact match “The Lede Company is a full-service strategy, communications and social impact consulting firm, specializing in corporate, entertainment, brand and nonprofit sectors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	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
18	GMMB	Exact match	Washington, CA, United StatesHQ recorded Nov 6, 2026	201-500	259 contacts →
	Exact match “We’re bold.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Missionwired	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	201-500	243 contacts →
	Exact match “At MissionWired, we believe your world-changing cause deserves more than marginal gains.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	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
21	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
22	M R	Exact match	Washington, United StatesHQ recorded Nov 6, 2026	51-200	213 contacts →
	Exact match “We are M+R.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Orchestra	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	501-1,000	212 contacts →
	Exact match “Orchestra is a strategic communications and marketing company purpose-built for a world defined by speed, fragmentation and unprecedented transparency.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	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
25	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

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 “issue advocacy 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 6,892 issue advocacy consultants worldwide

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Issue advocacy consultants worldwide at a glance

As of Nov 6, 2026

39.3%Verified-email coverage

8.4Average contacts per company

1-10Median size (employees)

9.8%Largest-city concentration · Washington

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

5,253

11-50

1,353

51-200

225

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 issue advocacy consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “issue advocacy 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 22,689 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.

Issue advocacy consultants by location

49 lists · largest first

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

How many issue advocacy consultants are there worldwide?

RevenueBase identified 6,892 company matches for issue advocacy 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?

CCS Fundraising tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most issue advocacy consultants?

The United States leads with 3,597 companies, followed by the United Kingdom (223) and Canada (216). Every issue advocacy consultants list by country and city is linked on this page.

Which city has the most issue advocacy consultants?

Washington leads with 676 company records, followed by New York (165) and London (134).

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 22,689 professional contacts with verified work emails tracked across these 6,892 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.