Company lists · Data refreshed September 2026

Top 25 Nonprofit communications consultants worldwide

RevenueBase identified 6,371 company matches for nonprofit communications consultants worldwide as of September 2026 and tracks 30,092 professional contacts across them, including 9,948 with verified work emails. The United States is the largest market and Washington the largest hub.

This list covers company matches for nonprofit communications 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 September 20, 2026. Country and city lists for nonprofit communications 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 Sep 20, 2026 How this list was built
6,371Companies
30,092Contacts tracked
9,948Verified emails
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The 25 largest nonprofit communications consultants worldwide

Ranked by team size
Top 25 of 6,371 company matches for nonprofit communications consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLos Angeles, CA, United StatesHQ recorded Sep 20, 202610001+756 contacts →

Exact match

“Ultimate Minds is a professional consulting and marketing firm dedicated to empowering businesses, nonprofits, and startups with smart, affordable, and results-driven solutions.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchNew York, NY, United StatesHQ recorded Sep 20, 2026501-1,000728 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 · Sep 20, 2026 · View company records in RevenueBase
3Exact matchAlexandria, VA, United StatesHQ recorded Sep 20, 2026201-500282 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 · Sep 20, 2026 · View company records in RevenueBase
4Exact matchWashington, DC, United StatesHQ recorded Sep 20, 2026201-500226 contacts →

Exact match

“At MissionWired, we believe your world-changing cause deserves more than marginal gains.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchWashington, United StatesHQ recorded Sep 20, 202651-200208 contacts →

Exact match

“We are M+R.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202651-200198 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 20, 2026 · View company records in RevenueBase
7Exact matchUnited StatesHQ recorded Sep 20, 2026501-1,000197 contacts →

Exact match

“Nonprofit Organizations count on The Heritage Company for fundraising and outreach to donors, members and other constituents.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchLeiden, NetherlandsHQ recorded Sep 20, 202651-200195 contacts →

Exact match

“De Kleine Consultant maakt Kleine Consultants en haar klanten groot door strategisch advies te bieden daar waar het de meeste waarde toevoegt.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchChagrin Falls, United StatesHQ recorded Sep 20, 2026n/a195 contacts →

Exact match

“At Boom, we develop cross-media strategic marketing and public relations for our clients that convince their target audience to solicit their business, attend their event or…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchCaba, IndiaHQ recorded Sep 20, 202651-200159 contacts →

Exact match

“Somos una consultora en estrategia y comunicación que trabaja junto a las compañías y líderes más innovadores del mundo para transmitir de forma disruptiva y creativa el impacto…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchCuauhtémoc, MexicoHQ recorded Sep 20, 202651-200154 contacts →

Exact match

“PR and marketing.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchWashington, DC, United StatesHQ recorded Sep 20, 2026n/a152 contacts →

Exact match

“O'Brien Garrett is a comprehensive fundraising and communications company serving some of the nation's top nonprofits.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchNew York, NY, United StatesHQ recorded Sep 20, 202651-200140 contacts →

Exact match

“At Fenton, we are communications strategists for social change.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchScarsdale, NY, United StatesHQ recorded Sep 20, 202611-50131 contacts →

Exact match

“The Acceleration Project (TAP) is a nonprofit organization with a mission to unlock pathways to wealth creation and economic mobility by accelerating under-resourced small…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 20, 2026201-500130 contacts →

Exact match

“Instinctif UK has officially rebranded to TEAM LEWIS.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchParis, FranceHQ recorded Sep 20, 202611-50128 contacts →

Exact match

“Public Relations & Influence Agency.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchUsa, United StatesHQ recorded Sep 20, 202651-200125 contacts →

Exact match

“BWF Zuri is the nonprofit sector’s most comprehensive fundraising consulting company, helping organizations thrive in a rapidly changing landscape.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchSeoul, South KoreaHQ recorded Sep 20, 202651-200113 contacts →

Exact match

“KPR, one of the largest public relations consultancies in Korea, has carried out its mission to provide comprehensive, effective and dependable solutions to domestic and…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchBerkeley, CA, United StatesHQ recorded Sep 20, 202651-200112 contacts →

Exact match

“Our team of expert consultants develops innovative direct marketing-driven donor development programs for exceptional nonprofit causes like yours.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchSantiago, ChileHQ recorded Sep 20, 202611-50111 contacts →

Exact match

“Sámara es una consultora de comunicaciones que desde sus inicios en 2005, ha buscado contribuir a cargar de sentido las comunicaciones de instituciones, organismos, empresas y…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchArdmore, PA, United StatesHQ recorded Sep 20, 202651-200109 contacts →

Exact match

“At Gregory FCA, we’re a 30-year success story, forged by exceeding client expectations during every engagement.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchChicago, IL, United StatesHQ recorded Sep 20, 202651-200102 contacts →

Exact match

“Campbell & Company is a national nonprofit consulting firm that helps organizations create greater impact through fundraising, communications and strategic information services.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchBoston, MA, United StatesHQ recorded Sep 20, 202651-200102 contacts →

Exact match

“The Dewey Square Group offers strategic marketing, grassroots and digital communications to the country's most respected corporate and non-profit organizations.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchToronto, ON, CanadaHQ recorded Sep 20, 202651-200101 contacts →

Exact match

“At KCI, we are a firm focused on values and people…both ours and yours.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202651-20099 contacts →

Exact match

“It starts with a goal: yours.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 6,371 nonprofit communications consultants worldwide

See the full list, filter by size, metro and specialty, and access 9,948 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nonprofit communications consultants worldwide at a glance

As of Sep 20, 2026
33.1%Verified-email coverage
4.7Average contacts per company
1-10Median size (employees)
3.0%Largest-city concentration · Washington
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
5,608
11-50
645
51-200
98
201-500
8
501-1,000
3
10001+
2

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 nonprofit communications consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “nonprofit communications 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 9,948 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 20, 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.

Nonprofit communications consultants by location

35 lists · largest first

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

How many nonprofit communications consultants are there worldwide?

RevenueBase identified 6,371 company matches for nonprofit communications consultants 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?

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

Which country has the most nonprofit communications consultants?

The United States leads with 3,105 companies, followed by Canada (276) and the United Kingdom (230). Every nonprofit communications consultants list by country and city is linked on this page.

Which city has the most nonprofit communications consultants?

Washington leads with 192 company records, followed by New York (144) and Chicago (96).

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 9,948 professional contacts with verified work emails tracked across these 6,371 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 20, 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.