Company lists · Data refreshed September 2026

Top 25 Nonprofit consultants based in Seattle, United States

RevenueBase identified 178 nonprofit consultants headquartered in Seattle, United States as of September 2026 and tracks 825 professional contacts across them, including 321 with verified work emails. New York is the largest hub.

This list covers nonprofit consultants 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, how directly it supports the match, and when it was last checked. Data refreshed September 5, 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 HQ checked on every row Match evidence on every row Refreshed Sep 5, 2026 86% judged on-target in blind review
178Companies
825Contacts tracked
321Verified emails
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The 25 largest nonprofit consultants based in Seattle, United States

Ranked by team size
Top 25 of 178 nonprofit consultants based in Seattle, United States, ranked by team size, largest first. Data refreshed Sep 5, 2026. Evidence rates how directly each company's own description names nonprofit consultants: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#CompanyHeadquartersEmployeesContacts
1
Berk Consulting, INCPartial evidence
Seattle, WA, United StatesHQ checked Sep 5, 202611-5068

“BERK is an interdisciplinary consultancy integrating strategy, planning, and policy development; financial and economic analysis; and facilitation, design, and communications.”

Source: company website · checked Sep 5, 2026
2
501 CommonsPartial evidence
Seattle, WA, United StatesHQ checked Sep 5, 202651-20056

“We all rise when nonprofits thrive.”

Source: company website · checked Sep 5, 2026
3
Blue WaveIndirect evidence
Seattle, WA, United StatesHQ checked Sep 5, 202611-5044

“Blue Wave Political Partners is a national political consulting firm that offers tailored political compliance and fundraising to Democratic and progressive candidates and…”

Source: company website · checked Sep 5, 2026
4
LinksbridgePartial evidence
Seattle, WA, United StatesHQ checked Sep 5, 202611-5035

“Linksbridge expands the capacity of NGOs, IGOs, and nonprofits to improve human lives.”

Source: company website · checked Sep 5, 2026
5
Intentional FuturesIndirect evidence
Seattle, WA, United StatesHQ checked Sep 5, 202611-5034

“Why does Intentional Futures exist?”

Source: company website · checked Sep 5, 2026
6
Jacobson Jarvis & Co, PllcIndirect evidence
Seattle, WA, United StatesHQ checked Sep 5, 202611-5031

“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: company website · checked Sep 5, 2026
7
Cloudbreak CollectiveIndirect evidence
Seattle, WA, United StatesHQ checked Sep 5, 202611-5014

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

Source: company website · checked Sep 5, 2026
8
BenevonPartial evidence
Seattle, WA, United StatesHQ checked Sep 5, 202611-5014

“At Benevon, we train and coach your nonprofit organization to implement a mission-based system for non profit fundraising from individual donors.”

Source: company website · checked Sep 5, 2026
9
Portfolio CommunicationsIndirect evidence
Seattle, WA, United StatesHQ checked Sep 5, 202611-5012

“Portfolio assists clients in the process of researching, evaluating, and selecting vendors for IT infrastructure and services.”

Source: company website · checked Sep 5, 2026
10
CompanisPartial evidence
Seattle, WA, United StatesHQ checked Sep 5, 20261-1012

“Companis is a nonprofit organization that matches skilled volunteer professionals with vital nonprofits in King & Snohomish counties who need their skills.”

Source: company website · checked Sep 5, 2026
11
The Ostara GroupPartial evidence
Seattle, WA, United StatesHQ checked Sep 5, 202611-5011

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

Source: company website · checked Sep 5, 2026
12Seattle, WA, United StatesHQ checked Sep 5, 202611-5010

“Alithi’s team of expert strategists, policy leaders, sourcing specialists, education reformers, community builders, data scientists, and impact experts have spent decades honing…”

Source: company website · checked Sep 5, 2026
13
Break Blue StrategiesIndirect evidence
Seattle, WA, United StatesHQ checked Sep 5, 202611-509

“Break Blue Strategies is a full service consulting group focused on providing opportunities and services for organizations and campaigns centered on the values we share.”

Source: company website · checked Sep 5, 2026
14
AVIEIndirect evidence
Seattle, WA, United StatesHQ checked Sep 5, 202611-509

“AVIE provides business and strategy consulting services to the top technology firms in the greater Seattle area.”

Source: company website · checked Sep 5, 2026
15
Joule Growth PartnersIndirect evidence
Seattle, WA, United StatesHQ checked Sep 5, 20261-109

“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: company website · checked Sep 5, 2026
16Seattle, WA, United StatesHQ checked Sep 5, 202611-509

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

Source: company website · checked Sep 5, 2026
17
Common GreatPartial evidence
Seattle, WA, United StatesHQ checked Sep 5, 20261-107

“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: company website · checked Sep 5, 2026
18
Rising SUN AccountingPartial evidence
Seattle, WA, United StatesHQ checked Sep 5, 20261-107

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

Source: company website · checked Sep 5, 2026
19
Clover Search WorksPartial evidence
Seattle, WA, United StatesHQ checked Sep 5, 20261-107

“Clover Search Works provides a full range of search and leadership transition services for nonprofit organizations of all shapes and sizes.”

Source: company website · checked Sep 5, 2026
20
Winpower StrategiesIndirect evidence
Seattle, United StatesHQ checked Sep 5, 20261-107

“WinPower is located in Seattle, WA and provides strategic consulting to Democratic and progressive campaigns.”

Source: company website · checked Sep 5, 2026
21
Franklin Pierce NorthwestPartial evidence
Seattle, WA, United StatesHQ checked Sep 5, 202611-506

“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: company website · checked Sep 5, 2026
22
SparklosPartial evidence
Seattle, WA, United StatesHQ checked Sep 5, 202611-506

“Sparklos is a boutique consultancy firm that supports high-powered executives and aspiring leaders achieve tangible success at an accelerated pace.”

Source: company website · checked Sep 5, 2026
23
Altruist PartnersIndirect evidence
Seattle, WA, United StatesHQ checked Sep 5, 202611-506

“Altruist Partners helps mission-driven organizations of all types make even their most ambitious social impact goals a reality.”

Source: company website · checked Sep 5, 2026
24
Shujaa ConsultingPartial evidence
Seattle, United StatesHQ checked Sep 5, 20261-105

“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: company website · checked Sep 5, 2026
25
BoardreadyIndirect evidence
Seattle, WA, United StatesHQ checked Sep 5, 20261-105

“BoardReady is a non profit that seeks to catapult board diversification through data, experience and network strategies.”

Source: company website · checked Sep 5, 2026

Showing 25 of 178 nonprofit consultants based in Seattle, United States

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Nonprofit consultants based in Seattle, United States at a glance

As of Sep 5, 2026
1-10Median size (employees)
New YorkLargest hub · 500 HQs
Contacts with mobile numbers
Sep 5, 2026Data refreshed

Companies by employee count

1-10
150
11-50
27
51-200
1

Email recency for this list is measured across the whole United States list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for Seattle, over 178 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 consultants, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, 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 consultants”. Matching reads each company's description, not its industry code or its name.
What we exclude
Companies whose own description does not clearly place them among nonprofit consultants, 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 an evidence 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, 321 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 5, 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 consultants by metro in the United States

Frequently asked

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

RevenueBase identified 178 nonprofit consultants 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?

Berk Consulting, INC, headquartered in Seattle, tops this list with the largest team on record.

Which city has the most nonprofit consultants?

New York leads with 500 headquartered companies, followed by Washington (443) and Chicago (351).

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 321 verified decision-maker contacts tracked across these 178 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 5, 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.