Company lists · Data refreshed September 2026

Top 19 Nonprofit communications consultants based in Boston, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 40 companies tracked

RevenueBase identified 40 company matches for nonprofit communications consultants associated with Boston, United States as of September 2026 and tracks 403 professional contacts across them, including 161 with verified work emails. Across the United States, Washington is the largest hub for this category (192 companies); Boston has 40.

This list covers company matches for nonprofit communications consultants associated with Boston, 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

40Companies

403Contacts tracked

161Verified emails

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The 19 largest nonprofit communications consultants based in Boston, United States

Ranked by team size

Top 19 of 40 company matches for nonprofit communications consultants based in Boston, 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	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
2	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
3	617mediagroup	Exact match	Boston, MA, United StatesHQ recorded Sep 20, 2026	51-200	47 contacts →
	Exact match “617MediaGroup is a fast-growing, full service, progressive communications firm headquartered in Massachusetts.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4	TDC Nonprofit Management Consulting	Exact match	Boston, MA, United StatesHQ recorded Sep 20, 2026	11-50	27 contacts →
	Exact match “TDC is a nonprofit management consulting and research firm that works across the nonprofit sector.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5	Development Guild DDI	Exact match	Boston, MA, United StatesHQ recorded Sep 20, 2026	11-50	25 contacts →
	Exact match “We partner with nonprofit leaders to drive their missions forward with fresh perspectives and high-impact solutions through our 45+ years of experience in strategy, fundraising…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	Inspire INC	Exact match	Boston, MA, United StatesHQ recorded Sep 20, 2026	201-500	22 contacts →
	Exact match “Founded in 1998, Inspire is a 501(c)(3) nonprofit offering management and strategy consulting services to leading nonprofit organizations across the United States.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7	Slowey Mcmanus Communications	Exact match	Boston, MA, United StatesHQ recorded Sep 20, 2026	11-50	14 contacts →
	Exact match “With offices in Boston and Worcester and affiliates in New York City, Slowey McManus Communications provides strategic public relations, communications, and public affairs…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	Libretto	Exact match	Boston, MA, United StatesHQ recorded Sep 20, 2026	1-10	12 contacts →
	Exact match “Libretto helps our clients articulate what they do, believe, and hope to achieve.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9	90 West	Exact match	Boston, United StatesHQ recorded Sep 20, 2026	1-10	9 contacts →
	Exact match “As social media and technology change the way we interact and do business, so too do they change the way we tell our stories.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10	The Numad Group	Exact match	Boston, MA, United StatesHQ recorded Sep 20, 2026	1-10	7 contacts →
	Exact match “The Numad Group is communication, fundraising, strategic planning, and program evaluation consulting firm that primarily partners with nonprofits in the arts, education, and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11	Copley Raff INC	Exact match	Boston, MA, United StatesHQ recorded Sep 20, 2026	1-10	4 contacts →
	Exact match “Copley Raff is a U.S.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12	Spencer Brenneman, LLC	Exact match	Boston, MA, United StatesHQ recorded Sep 20, 2026	1-10	4 contacts →
	Exact match “We help mission-driven organizations reframe their focus and remaster their message so that they can thrive in any environment.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13	Northwind Strategies	Exact match	Boston, MA, United StatesHQ recorded Sep 20, 2026	1-10	4 contacts →
	Exact match “Northwind Strategies offers full-service strategic communications, campaign management, and public affairs services for corporations, nonprofits and grassroots campaigns and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14	The Allen Company LLC	Exact match	Boston, MA, United StatesHQ recorded Sep 20, 2026	1-10	4 contacts →
	Exact match “To companies needing business development, political organizations needing an assist with communications, fundraising, or strategy, schools looking to reach the next level, or any…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15	Sage Advancement Group	Exact match	Boston, MA, United StatesHQ recorded Sep 20, 2026	1-10	2 contacts →
	Exact match “Sage Advancement Group is a fundraising, strategy and market research consulting firm serving nonprofits throughout New England.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16	Little Bird Boston Marketing & PR	Exact match	Boston, MA, United StatesHQ recorded Sep 20, 2026	1-10	2 contacts →
	Exact match “Little Bird Boston is a Boston-based communications consulting company, specializing in marketing and PR for small businesses, startups and non-profits.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	Morelli Associates	Exact match	Boston, NH, United StatesHQ recorded Sep 20, 2026	1-10	2 contacts →
	Exact match “Morelli Associates specializes in Non-Profit Business Consulting and Strategic Coaching for Staff and Board Leadership focused on Margin for Mission while eliminating…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18	RC Consulting Boston	Exact match	Boston, MA, United StatesHQ recorded Sep 20, 2026	1-10	1 contacts →
	Exact match “RC Consulting helps small nonprofits increase revenue through resource-responsive, mission-driven fundraising strategies so that they can do more for the communities they serve.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	Kimber White Communications	Exact match	Boston, MA, United StatesHQ recorded Sep 20, 2026	1-10	1 contacts →
	Exact match “Kimber White Communications, LLC, provides communications strategy, consulting, and content support for Board-level, C-suite, and other senior executives.” 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 19 of 40 nonprofit communications consultants based in Boston, United States

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

As of Sep 20, 2026

40.0%Verified-email coverage

10.1Average contacts per company

1-10Median size (employees)

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Email recency for this list is measured across the whole United States list rather than for Boston, so it is reported there. Company counts and contact totals on this page are exact for Boston, over 40 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 Boston, 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 161 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 in the United States

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 Boston, United States?

RevenueBase identified 40 company matches for nonprofit communications consultants associated with Boston, 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?

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

Which city in the United States has the most nonprofit communications consultants?

Washington leads the United States with 192 company records, followed by New York (144) and Chicago (96). Boston has 40.

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 161 professional contacts with verified work emails tracked across these 40 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.