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Company lists · Data refreshed September 2026

Top 25 Nonprofit consulting services based in Seattle, United States

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 162 companies tracked

RevenueBase identified 162 nonprofit consulting services headquartered in Seattle, United States as of September 2026 and tracks 550 professional contacts across them, including 202 with verified work emails. New York is the largest hub.

This list covers nonprofit consulting services 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 21, 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 21, 2026 86% judged on-target in blind review
162Companies
550Contacts tracked
202Verified emails
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The 25 largest nonprofit consulting services based in Seattle, United States

Ranked by team size
Top 25 of 162 nonprofit consulting services based in Seattle, United States, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to nonprofit consulting services: 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
1
501 Commons
Partial evidenceSeattle, WA, United StatesHQ checked Sep 21, 202651-20056 contacts →

Partial evidence

“We all rise when nonprofits thrive.”

Source: RevenueBase Database · checked Sep 21, 2026
2
Blue Wave
Partial evidenceSeattle, WA, United StatesHQ checked Sep 21, 202611-5044 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 21, 2026
3
Jacobson Jarvis & Co, Pllc
Indirect evidenceSeattle, WA, United StatesHQ checked Sep 21, 202611-5031 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 21, 2026
4
Cloudbreak Collective
Indirect evidenceSeattle, WA, United StatesHQ checked Sep 21, 202611-5014 contacts →

Indirect evidence

“Read more: Cloudbreak is a team of fundraisers and writers.”

Source: RevenueBase Database · checked Sep 21, 2026
5
The Ostara Group
Partial evidenceSeattle, WA, United StatesHQ checked Sep 21, 202611-5011 contacts →

Partial evidence

“The Ostara Group is an advisor to mission-driven nonprofits.”

Source: RevenueBase Database · checked Sep 21, 2026
6
Alithi Management Consulting
Indirect evidenceSeattle, WA, United StatesHQ checked Sep 21, 202611-5010 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 21, 2026
7
AVIE
Partial evidenceSeattle, WA, United StatesHQ checked Sep 21, 202611-509 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 21, 2026
8
Joule Growth Partners
Partial evidenceSeattle, WA, United StatesHQ checked Sep 21, 20261-109 contacts →

Partial evidence

“Joule Growth Partners provides high-quality, right-sized financial and operational leadership and consulting to small, growing, and mid-sized organizations Grounded in smart…”

Source: RevenueBase Database · checked Sep 21, 2026
9
The Giving Practice At Philanthropy Northwest
Indirect evidenceSeattle, WA, United StatesHQ checked Sep 21, 202611-509 contacts →

Indirect evidence

“The Giving Practice at Philanthropy Northwest is a team of experienced consultants committed to supporting vibrant communities through equitable, collaborative and effective…”

Source: RevenueBase Database · checked Sep 21, 2026
10
Common Great
Partial evidenceSeattle, WA, United StatesHQ checked Sep 21, 20261-107 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 21, 2026
11
Rising SUN Accounting
Partial evidenceSeattle, WA, United StatesHQ checked Sep 21, 20261-107 contacts →

Partial evidence

“Rising Sun Accounting provides accounting & bookkeeping services to Seattle nonprofits.”

Source: RevenueBase Database · checked Sep 21, 2026
12
Franklin Pierce Northwest
Partial evidenceSeattle, WA, United StatesHQ checked Sep 21, 202611-506 contacts →

Partial evidence

“BRING YOUR FINANCIAL MANAGEMENT TO THE NEXT LEVEL Franklin Pierce Northwest (FPNW) offers a comprehensive range of financial, nonprofit and advising services to fit a wide range…”

Source: RevenueBase Database · checked Sep 21, 2026
13
Altruist Partners
Indirect evidenceSeattle, WA, United StatesHQ checked Sep 21, 202611-506 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 21, 2026
14
Shujaa Consulting
Strong evidenceSeattle, United StatesHQ checked Sep 21, 20261-105 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 21, 2026
15
Imago, LLC
Indirect evidenceSeattle, WA, United StatesHQ checked Sep 21, 20261-104 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 21, 2026
16
Aril Consulting
Partial evidenceSeattle, United StatesHQ checked Sep 21, 20261-104 contacts →

Partial evidence

“Aril Consulting: Fundraising & Non-profit Management Services Are you looking to scale up your fundraising program?”

Source: RevenueBase Database · checked Sep 21, 2026
17
Luma Consulting, LLC
Strong evidenceSeattle, United StatesHQ checked Sep 21, 20261-104 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 21, 2026
18
Swift River Consulting
Strong evidenceSeattle, WA, United StatesHQ checked Sep 21, 20261-103 contacts →

Strong evidence

“Swift River Consulting was one of the pioneering partners working with the Salesforce.com nonprofit ecosystem.”

Source: RevenueBase Database · checked Sep 21, 2026
19
Golden Gift Consulting
Strong evidenceSeattle, WA, United StatesHQ checked Sep 21, 202611-503 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 21, 2026
20
Globe Link Group
Partial evidenceSeattle, United StatesHQ checked Sep 21, 202611-503 contacts →

Partial evidence

“Overview Globe Link Group provides strategic consulting services, Project management, Finance management, Community Engagement and Staffing services to commercial, government and…”

Source: RevenueBase Database · checked Sep 21, 2026
21
Bloom Grant Consulting
Strong evidenceSeattle, WA, United StatesHQ checked Sep 21, 20261-103 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 21, 2026
22
True North Group, LLC
Indirect evidenceSeattle, United StatesHQ checked Sep 21, 20261-103 contacts →

Indirect evidence

“The True North Group is dedicated to providing top-notch, strategic advice to non-profit and government organizations serving vulnerable groups.”

Source: RevenueBase Database · checked Sep 21, 2026
23
Seattle Accounting Services
Indirect evidenceSeattle, United StatesHQ checked Sep 21, 20261-103 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 21, 2026
24
The Harper Consulting Group, LLC
Indirect evidenceSeattle, WA, United StatesHQ checked Sep 21, 20261-103 contacts →

Indirect evidence

“Helping organizations THRIVE through innovative strategy and rock-solid support!”

Source: RevenueBase Database · checked Sep 21, 2026
25
Martech Consulting Group
Partial evidenceSeattle, United StatesHQ checked Sep 21, 20261-103 contacts →

Partial evidence

“Martech Consulting Group provides business consulting services rooted in decades of expertise in both leadership and execution for marketing, operations, sales and account…”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 25 of 162 nonprofit consulting services based in Seattle, United States

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

As of Sep 21, 2026
36.7%Verified-email coverage
3.4Average contacts per company
1-10Median size (employees)
264.2%Largest-city concentration · New York
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
140
11-50
21
51-200
1

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 162 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 services, 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 services”. 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 services), 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 services, 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, 202 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 21, 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 services 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 services, 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 services are there based in Seattle, United States?

RevenueBase identified 162 nonprofit consulting services 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 has the most nonprofit consulting services?

New York leads with 428 headquartered companies, followed by Washington (336) and Chicago (282).

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 202 verified decision-maker contacts tracked across these 162 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 21, 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.

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