Company lists · Data refreshed September 2026

Top 25 Nonprofit communications consultants based in Washington, United States

RevenueBase identified 192 nonprofit communications consultants headquartered in Washington, United States as of September 2026 and tracks 2,163 professional contacts across them, including 1,178 with verified work emails. Washington is the largest hub.

This list covers nonprofit communications consultants headquartered in Washington, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review
192Companies
2,163Contacts tracked
1,178Verified emails
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The 25 largest nonprofit communications consultants based in Washington, United States

Ranked by team size
Top 25 of 192 nonprofit communications consultants based in Washington, United States, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to nonprofit communications consultants: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceWashington, DC, United StatesHQ checked Sep 20, 2026201-500226 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
2Indirect evidenceWashington, United StatesHQ checked Sep 20, 202651-200208 contacts →

Indirect evidence

“We are M+R.”

Source: RevenueBase Database · checked Sep 20, 2026
3Indirect evidenceWashington, DC, United StatesHQ checked Sep 20, 202651-200198 contacts →

Indirect evidence

“DCI Group is an independent public affairs consulting firm that specializes in public relations, crisis management, grassroots engagement, and digital advocacy.”

Source: RevenueBase Database · checked Sep 20, 2026
4Strong evidenceWashington, DC, United StatesHQ checked Sep 20, 2026n/a152 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
5Indirect evidenceWashington, DC, United StatesHQ checked Sep 20, 202651-20099 contacts →

Indirect evidence

“It starts with a goal: yours.”

Source: RevenueBase Database · checked Sep 20, 2026
6Strong evidenceWashington, DC, United StatesHQ checked Sep 20, 202611-5074 contacts →

Strong evidence

“Seven Letter, formerly Blue Engine + JDA, provides strategic communications solutions to the complex challenges facing corporations, nonprofits, coalitions and associations.”

Source: RevenueBase Database · checked Sep 20, 2026
7Partial evidenceWashington, DC, United StatesHQ checked Sep 20, 202651-20074 contacts →

Partial evidence

“Avalon is a full-service fundraising consulting agency helping nonprofits realize the full potential of their direct marketing programs through multi-channel fundraising…”

Source: RevenueBase Database · checked Sep 20, 2026
8Partial evidenceWashington, DC, United StatesHQ checked Sep 20, 202651-20064 contacts →

Partial evidence

“Lautman Maska Neill & Company is an award-winning direct response consulting firm specializing in fully-integrated fundraising exclusively for nonprofits.”

Source: RevenueBase Database · checked Sep 20, 2026
9Partial evidenceWashington, DC, United StatesHQ checked Sep 20, 202611-5061 contacts →

Partial evidence

“Freedman Consulting, LLC, a mission-driven firm, offers strategic consulting services to foundations, nonprofit organizations, and public interest coalitions, advising many of the…”

Source: RevenueBase Database · checked Sep 20, 2026
10Indirect evidenceWashington, DC, United StatesHQ checked Sep 20, 202611-5061 contacts →

Indirect evidence

“At Spitfire, we share your vision of a better world and work hard to help you create the change you need to make great things happen.”

Source: RevenueBase Database · checked Sep 20, 2026
11Partial evidenceWashington, DC, United StatesHQ checked Sep 20, 202611-5054 contacts →

Partial evidence

“LINK is a is a full-service, DC-based social impact firm, with a focus on strategic communications and stakeholder engagement.”

Source: RevenueBase Database · checked Sep 20, 2026
12Indirect evidenceWashington, DC, United StatesHQ checked Sep 20, 202651-20052 contacts →

Indirect evidence

“Ward Circle Strategies, Inc.”

Source: RevenueBase Database · checked Sep 20, 2026
13Indirect evidenceWashington, DC, United StatesHQ checked Sep 20, 202611-5051 contacts →

Indirect evidence

“Advocacy Associates specializes in strategic grassroots and advocacy approaches designed to address the individual needs of our clients - no cookie cutter approaches are allowed.”

Source: RevenueBase Database · checked Sep 20, 2026
14Partial evidenceWashington, DC, United StatesHQ checked Sep 20, 202611-5048 contacts →

Partial evidence

“We deliver policy and communications support that is bracingly honest, refreshingly creative and expertly executed.”

Source: RevenueBase Database · checked Sep 20, 2026
15Indirect evidenceWashington, DC, United StatesHQ checked Sep 20, 202611-5031 contacts →

Indirect evidence

“Coalition builders, campaign creators and policy wonks, the Glen Echo Group transforms complicated tech and innovation challenges into positive outcomes for the digital world.”

Source: RevenueBase Database · checked Sep 20, 2026
16Partial evidenceWashington, DC, United StatesHQ checked Sep 20, 202611-5028 contacts →

Partial evidence

“Strategic communications succeeds when it inspires change.”

Source: RevenueBase Database · checked Sep 20, 2026
17Strong evidenceWashington, DC, United StatesHQ checked Sep 20, 202611-5028 contacts →

Strong evidence

“Collaborative Communications is a national communications consultancy dedicated to efforts that help build a more educated, engaged, and equal society, where every child and young…”

Source: RevenueBase Database · checked Sep 20, 2026
18Indirect evidenceWashington, DC, United StatesHQ checked Sep 20, 202611-5028 contacts →

Indirect evidence

“Leonard Resource Group (LRG) was founded in 1996 with a single contract and a staff of three.”

Source: RevenueBase Database · checked Sep 20, 2026
19Indirect evidenceWashington, DC, United StatesHQ checked Sep 20, 202611-5026 contacts →

Indirect evidence

“720 Strategies is a cutting edge firm at the intersection of public affairs and public relations.”

Source: RevenueBase Database · checked Sep 20, 2026
20Partial evidenceWashington, DC, United StatesHQ checked Sep 20, 202611-5023 contacts →

Partial evidence

“Orion Strategies is a strategic communications and public relations firm with a staff of experienced professionals in media and stakeholder relations, federal and state government…”

Source: RevenueBase Database · checked Sep 20, 2026
21Indirect evidenceWashington, DC, United StatesHQ checked Sep 20, 202611-5019 contacts →

Indirect evidence

“Mission Partners guides purpose-driven organizations in realizing their greatest social impact.”

Source: RevenueBase Database · checked Sep 20, 2026
22Partial evidenceWashington, United StatesHQ checked Sep 20, 202611-5018 contacts →

Partial evidence

“Hattaway Communications, Inc.”

Source: RevenueBase Database · checked Sep 20, 2026
23Partial evidenceWashington, DC, United StatesHQ checked Sep 20, 202611-5017 contacts →

Partial evidence

“New Heights Communications is a Washington, D.C-based public affairs and public relations firm that provides our clients with communications strategies to make change.”

Source: RevenueBase Database · checked Sep 20, 2026
24Strong evidenceWashington, DC, United StatesHQ checked Sep 20, 20261-1016 contacts →

Strong evidence

“The Communications Network connects, gathers, and informs leaders from the most influential foundations, nonprofits, and social sector consultancies across the globe.”

Source: RevenueBase Database · checked Sep 20, 2026
25Indirect evidenceWashington, DC, United StatesHQ checked Sep 20, 202611-5016 contacts →

Indirect evidence

“PR + Strategy, reimagined.”

Source: RevenueBase Database · checked Sep 20, 2026

Showing 25 of 192 nonprofit communications consultants based in Washington, United States

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Nonprofit communications consultants based in Washington, United States at a glance

As of Sep 20, 2026
54.5%Verified-email coverage
11.3Average contacts per company
1-10Median size (employees)
100.0%Largest-city concentration · Washington
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
151
11-50
33
51-200
7
201-500
1

Email recency for this list is measured across the whole United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 192 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among nonprofit communications consultants, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Washington, United States whose own description of what they do matches “nonprofit communications consultants”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names nonprofit communications consultants), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among nonprofit communications consultants, and records with no verified work email. Companies headquartered outside Washington are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 1,178 across the full list. 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.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names nonprofit communications consultants, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many nonprofit communications consultants are there based in Washington, United States?

RevenueBase identified 192 nonprofit communications consultants headquartered in Washington, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Missionwired, headquartered in Washington, tops this list with the largest team on record.

Which city has the most nonprofit communications consultants?

Washington leads with 192 headquartered companies, 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 the top results, verified emails and direct dials included. Upgrading unlocks all 1,178 verified decision-maker contacts tracked across these 192 companies.

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 Smart Search, 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.