Company lists · Data refreshed September 2026

Top 25 Nonprofit consulting firms based in Seattle, United States

Name: Nonprofit consulting firms based in Seattle, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 14, 2026 104 companies tracked

RevenueBase identified 104 nonprofit consulting firms headquartered in Seattle, United States as of September 2026 and tracks 364 professional contacts across them, including 161 with verified work emails. Across the United States, New York is the largest hub for this category (263 companies); Seattle has 104.

This list covers nonprofit consulting firms headquartered in Seattle, 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 14, 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 14, 2026 86% judged on-target in blind review

104Companies

364Contacts tracked

161Verified emails

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The 25 largest nonprofit consulting firms based in Seattle, United States

Ranked by team size

Top 25 of 104 nonprofit consulting firms based in Seattle, United States, ranked by team size, largest first. Data refreshed Sep 14, 2026. RevenueBase Smart Search rates how each company's information relates to nonprofit consulting firms: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	501 Commons	Partial evidence	Seattle, WA, United StatesHQ checked Sep 14, 2026	51-200	56 contacts →
	Partial evidence “We all rise when nonprofits thrive.” Source: RevenueBase Database · checked Sep 14, 2026
2	Blue Wave	Partial evidence	Seattle, WA, United StatesHQ checked Sep 14, 2026	11-50	44 contacts →
	Partial evidence “Blue Wave Political Partners is a national political consulting firm that offers tailored political compliance and fundraising to Democratic and progressive candidates and…” Source: RevenueBase Database · checked Sep 14, 2026
3	Jacobson Jarvis & Co, Pllc	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 14, 2026	11-50	31 contacts →
	Indirect evidence “Jacobson Jarvis is the region's largest firm focused exclusively on the financial and accounting needs of not-for-profit organizations across the Pacific Northwest.” Source: RevenueBase Database · checked Sep 14, 2026
4	Cloudbreak Collective	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 14, 2026	11-50	14 contacts →
	Indirect evidence “Read more: Cloudbreak is a team of fundraisers and writers.” Source: RevenueBase Database · checked Sep 14, 2026
5	The Ostara Group	Partial evidence	Seattle, WA, United StatesHQ checked Sep 14, 2026	11-50	11 contacts →
	Partial evidence “The Ostara Group is an advisor to mission-driven nonprofits.” Source: RevenueBase Database · checked Sep 14, 2026
6	Alithi Management Consulting	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 14, 2026	11-50	10 contacts →
	Indirect evidence “Alithi’s team of expert strategists, policy leaders, sourcing specialists, education reformers, community builders, data scientists, and impact experts have spent decades honing…” Source: RevenueBase Database · checked Sep 14, 2026
7	AVIE	Partial evidence	Seattle, WA, United StatesHQ checked Sep 14, 2026	11-50	9 contacts →
	Partial evidence “AVIE provides business and strategy consulting services to the top technology firms in the greater Seattle area.” Source: RevenueBase Database · checked Sep 14, 2026
8	Common Great	Partial evidence	Seattle, WA, United StatesHQ checked Sep 14, 2026	1-10	7 contacts →
	Partial evidence “Common Great is a woman-owned, woman-led collective that helps nonprofits build forward-looking development and communications practices that innovate and get results.” Source: RevenueBase Database · checked Sep 14, 2026
9	Winpower Strategies	Partial evidence	Seattle, United StatesHQ checked Sep 14, 2026	1-10	7 contacts →
	Partial evidence “WinPower is located in Seattle, WA and provides strategic consulting to Democratic and progressive campaigns.” Source: RevenueBase Database · checked Sep 14, 2026
10	Altruist Partners	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 14, 2026	11-50	6 contacts →
	Indirect evidence “Altruist Partners helps mission-driven organizations of all types make even their most ambitious social impact goals a reality.” Source: RevenueBase Database · checked Sep 14, 2026
11	Shujaa Consulting	Strong evidence	Seattle, United StatesHQ checked Sep 14, 2026	1-10	5 contacts →
	Strong evidence “Shujaa Consulting is a Global Salesforce consulting firm that provides managed services focused on building a healthy Salesforce Program for nonprofits and social enterprises.” Source: RevenueBase Database · checked Sep 14, 2026
12	Imago, LLC	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 14, 2026	1-10	4 contacts →
	Indirect evidence “Imago is here to support you in becoming radically responsible for the talents that you have been given, so you can break the old systems that no longer serve us and build new…” Source: RevenueBase Database · checked Sep 14, 2026
13	Aril Consulting	Partial evidence	Seattle, United StatesHQ checked Sep 14, 2026	1-10	4 contacts →
	Partial evidence “Aril Consulting: Fundraising & Non-profit Management Services Are you looking to scale up your fundraising program?” Source: RevenueBase Database · checked Sep 14, 2026
14	Luma Consulting, LLC	Strong evidence	Seattle, United StatesHQ checked Sep 14, 2026	1-10	4 contacts →
	Strong evidence “Luma Consulting LLC works with nonprofit organizations and foundations that want assistance with strategic planning, developing nonprofit business plans, implementing new…” Source: RevenueBase Database · checked Sep 14, 2026
15	Swift River Consulting	Strong evidence	Seattle, WA, United StatesHQ checked Sep 14, 2026	1-10	3 contacts →
	Strong evidence “Swift River Consulting was one of the pioneering partners working with the Salesforce.com nonprofit ecosystem.” Source: RevenueBase Database · checked Sep 14, 2026
16	Golden Gift Consulting	Strong evidence	Seattle, WA, United StatesHQ checked Sep 14, 2026	11-50	3 contacts →
	Strong evidence “Management and Marketing Consulting We provide management and marketing consulting to businesses, government agencies and nonprofit organizations.” Source: RevenueBase Database · checked Sep 14, 2026
17	Bloom Grant Consulting	Strong evidence	Seattle, WA, United StatesHQ checked Sep 14, 2026	1-10	3 contacts →
	Strong evidence “Bloom Grant Consulting uses our decade of collective nonprofit experience to build grant programs to be more like fireweed: grounded, restorative and prolific.” Source: RevenueBase Database · checked Sep 14, 2026
18	Seattle Accounting Services	Indirect evidence	Seattle, United StatesHQ checked Sep 14, 2026	1-10	3 contacts →
	Indirect evidence “Seattle Accounting Services provides the guidance and expertise that Puget Sound organizations need to succeed in an ever-changing business and regulatory landscape.” Source: RevenueBase Database · checked Sep 14, 2026
19	The Harper Consulting Group, LLC	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 14, 2026	1-10	3 contacts →
	Indirect evidence “Helping organizations THRIVE through innovative strategy and rock-solid support!” Source: RevenueBase Database · checked Sep 14, 2026
20	T. Carey Consulting	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 14, 2026	1-10	2 contacts →
	Indirect evidence “We are independent school experts.” Source: RevenueBase Database · checked Sep 14, 2026
21	Shorthand Consulting	Partial evidence	Seattle, WA, United StatesHQ checked Sep 14, 2026	1-10	2 contacts →
	Partial evidence “Shorthand Consulting offers leaders the tools and inspiration to address big challenges, do their best work, make a meaningful difference, and have fun doing it.” Source: RevenueBase Database · checked Sep 14, 2026
22	Flicker Consulting	Strong evidence	Seattle, WA, United StatesHQ checked Sep 14, 2026	1-10	2 contacts →
	Strong evidence “Flicker Consulting provides expert fundraising and strategic consulting for nonprofits working to make our communities better.” Source: RevenueBase Database · checked Sep 14, 2026
23	Cornerstone Consulting, Seattle & Bellingham, WA	Partial evidence	Seattle, WA, United StatesHQ checked Sep 14, 2026	1-10	2 contacts →
	Partial evidence “Cornerstone Consulting specializes in working with non-profit organizations in the Pacific Northwest to build innovative donor education programs and effective major gift…” Source: RevenueBase Database · checked Sep 14, 2026
24	Public Interest Management Group	Partial evidence	Seattle, WA, United StatesHQ checked Sep 14, 2026	1-10	1 contacts →
	Partial evidence “Public Interest Management Group is a social enterprise that delivers strategic consulting services to mission-driven organizations that build healthy communities and protect the…” Source: RevenueBase Database · checked Sep 14, 2026
25	JAN Glick And Associates	Partial evidence	Seattle, WA, United StatesHQ checked Sep 14, 2026	1-10	1 contacts →
	Partial evidence “Not your typical organizational development firm, Jan Glick & Associates provides a suite of strategic impact-focused and customized services to address many common nonprofit…” Source: RevenueBase Database · checked Sep 14, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: nonprofit consulting firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names nonprofit consulting firms.
Partial evidence: Its own public description names part of nonprofit consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name nonprofit consulting firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 104 nonprofit consulting firms based in Seattle, United States

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Nonprofit consulting firms based in Seattle, United States at a glance

As of Sep 14, 2026

44.2%Verified-email coverage

3.5Average contacts per company

1-10Median size (employees)

Sep 14, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

Email recency for this list is measured across the whole United States list rather than for Seattle, so it is reported there. Company counts and contact totals on this page are exact for Seattle, over 104 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 consulting firms, 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 Seattle, United States whose own description of what they do matches “nonprofit consulting firms”. 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 consulting firms), 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 consulting firms, and records with no verified work email. Companies headquartered outside Seattle 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, 161 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 14, 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.

Nonprofit consulting firms by metro in the United States

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 consulting firms, 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 consulting firms are there based in Seattle, United States?

RevenueBase identified 104 nonprofit consulting firms headquartered in Seattle, 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?

501 Commons, headquartered in Seattle, tops this list with the largest team on record.

Which city in the United States has the most nonprofit consulting firms?

New York leads the United States with 263 headquartered companies, followed by Washington (256) and Chicago (196). Seattle has 104.

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 161 verified decision-maker contacts tracked across these 104 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 14, 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.