Company lists · Data refreshed September 2026

Top 25 Nonprofit communications consultants based in the United States

Name: Nonprofit communications consultants based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 3,105 companies tracked

RevenueBase identified 3,105 company matches for nonprofit communications consultants associated with the United States as of September 2026 and tracks 16,108 professional contacts across them, including 6,831 with verified work emails. Washington is the largest hub.

This list covers company matches for nonprofit communications consultants associated with the United States, 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.

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

3,105Companies

16,108Contacts tracked

6,831Verified emails

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The 25 largest nonprofit communications consultants based in the United States

Ranked by team size

Top 25 of 3,105 company matches for nonprofit communications consultants based in the United States, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Lucas Group	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 20, 2026	10001+	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
2	CCS Fundraising	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	501-1,000	728 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
3	Reingold, INC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 20, 2026	201-500	282 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
4	Missionwired	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 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 · Sep 20, 2026 · View company records in RevenueBase
5	M R	Exact match	Washington, United StatesHQ recorded Sep 20, 2026	51-200	208 contacts →
	Exact match “We are M+R.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	DCI	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 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 · Sep 20, 2026 · View company records in RevenueBase
7	BOOM	Exact match	Chagrin Falls, United StatesHQ recorded Sep 20, 2026	n/a	195 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
8	O'brien Garrett	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	n/a	152 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
9	Fenton	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	51-200	140 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
10	The Acceleration Project	Exact match	Scarsdale, NY, United StatesHQ recorded Sep 20, 2026	11-50	131 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
11	BWF	Exact match	Usa, United StatesHQ recorded Sep 20, 2026	51-200	125 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
12	MAL Warwick Donordigital	Exact match	Berkeley, CA, United StatesHQ recorded Sep 20, 2026	51-200	112 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
13	Gregory FCA	Exact match	Ardmore, PA, United StatesHQ recorded Sep 20, 2026	51-200	109 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
14	Campbell & Company	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	51-200	102 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
15	Dewey Square Group	Exact match	Boston, MA, United StatesHQ recorded Sep 20, 2026	51-200	102 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
16	VOX Global	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	51-200	99 contacts →
	Exact match “It starts with a goal: yours.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	Schultz & Williams	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 20, 2026	51-200	83 contacts →
	Exact match “Schultz & Williams is a national consulting firm dedicated to helping nonprofits of all types and sizes achieve financial stability, meet organizational goals, and support greater…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18	Seven Letter	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	11-50	74 contacts →
	Exact match “Seven Letter, formerly Blue Engine + JDA, provides strategic communications solutions to the complex challenges facing corporations, nonprofits, coalitions and associations.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	Avalon Consulting Group	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	51-200	74 contacts →
	Exact match “Avalon is a full-service fundraising consulting agency helping nonprofits realize the full potential of their direct marketing programs through multi-channel fundraising…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20	Steier Group	Exact match	Omaha, NE, United StatesHQ recorded Sep 20, 2026	51-200	74 contacts →
	Exact match “INTRODUCING THE STEIER GROUP Based in Omaha, Nebraska, with offices in Alabama, Arizona, Arkansas, California, Colorado, Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21	Empower Success Corps	Exact match	Boston, MA, United StatesHQ recorded Sep 20, 2026	51-200	74 contacts →
	Exact match “At ESC, our mission is to empower nonprofits to achieve their goals & contribute to a more just and equitable world.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22	Marino	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	11-50	72 contacts →
	Exact match “Marino is a national marketing, communications, and creative agency delivering data-driven and fully integrated strategies that shape perceptions, amplify impressions, and build…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23	Lautman Maska Neill & Company	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	51-200	64 contacts →
	Exact match “Lautman Maska Neill & Company is an award-winning direct response consulting firm specializing in fully-integrated fundraising exclusively for nonprofits.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24	Grassroot Communication GRC	Exact match	Manassas, VA, United StatesHQ recorded Sep 20, 2026	11-50	63 contacts →
	Exact match “Ever since our company was founded in 1986, we’ve been helping organizations grow by creating compelling, results-oriented outreach campaigns.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25	Freedman Consulting, LLC	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	11-50	61 contacts →
	Exact match “Freedman Consulting, LLC, a mission-driven firm, offers strategic consulting services to foundations, nonprofit organizations, and public interest coalitions, advising many of the…” Recorded in the RevenueBase company graph · Sep 20, 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 “nonprofit communications 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 3,105 nonprofit communications consultants based in the United States

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Nonprofit communications consultants based in the United States at a glance

As of Sep 20, 2026

42.4%Verified-email coverage

5.2Average contacts per company

1-10Median size (employees)

6.2%Largest-city concentration · Washington

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

2,732

11-50

320

51-200

201-500

501-1,000

10001+

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 3,105 companies.

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.
What qualifies: Company records associated with the United States 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 6,831 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 metro

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 based in the United States?

RevenueBase identified 3,105 company matches for nonprofit communications consultants associated with the United States 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 city has the most nonprofit communications consultants?

Washington leads with 192 company records, followed by New York (157) 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 6,831 professional contacts with verified work emails tracked across these 3,105 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.