Company lists · Data refreshed September 2026
Top 25 Non profit consulting firms based in Seattle, United States
RevenueBase identified 100 non profit consulting firms headquartered in Seattle, United States as of September 2026 and tracks 314 professional contacts across them, including 125 with verified work emails. New York is the largest hub.
This list covers non profit 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 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.
The 25 largest non profit consulting firms based in Seattle, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 56 contacts → | ||||
Indirect evidence “We all rise when nonprofits thrive.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 31 contacts → | ||||
Partial 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, 2026Thanks. The Data Team will review it. | |||||
| 3 | 14 contacts → | ||||
Indirect evidence “Read more: Cloudbreak is a team of fundraisers and writers.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 11 contacts → | ||||
Indirect evidence “The Ostara Group is an advisor to mission-driven nonprofits.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 7 contacts → | ||||
Indirect 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, 2026Thanks. The Data Team will review it. | |||||
| 8 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 5 contacts → | ||||
Partial 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, 2026Thanks. The Data Team will review it. | |||||
| 10 | 4 contacts → | ||||
Strong evidence “Aril Consulting: Fundraising & Non-profit Management Services Are you looking to scale up your fundraising program?” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 4 contacts → | ||||
Partial 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, 2026Thanks. The Data Team will review it. | |||||
| 12 | 3 contacts → | ||||
Partial evidence “Swift River Consulting was one of the pioneering partners working with the Salesforce.com nonprofit ecosystem.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 3 contacts → | ||||
Partial evidence “Management and Marketing Consulting We provide management and marketing consulting to businesses, government agencies and nonprofit organizations.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 3 contacts → | ||||
Partial 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, 2026Thanks. The Data Team will review it. | |||||
| 15 | 3 contacts → | ||||
Indirect evidence “Helping organizations THRIVE through innovative strategy and rock-solid support!” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 2 contacts → | ||||
Indirect evidence “We are independent school experts.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 2 contacts → | ||||
Partial evidence “Flicker Consulting provides expert fundraising and strategic consulting for nonprofits working to make our communities better.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 2 contacts → | ||||
Strong 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 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 1 contacts → | ||||
Indirect 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 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 1 contacts → | ||||
Partial evidence “Thompson Philanthropic Consulting provides our partners with transformational growth experiences to enhance your art of leadership and fundraising.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 1 contacts → | ||||
Partial evidence “Cross Sector Impact is a social change and impact consulting firm that sits within the overlapping space of nonprofits, corporations, and philanthropy.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 1 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 1 contacts → | ||||
Indirect evidence “Product delivery expertise for nonprofits” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
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: non profit 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 non profit consulting firms.
- Partial evidence
- Its own public description names part of non profit consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name non profit 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 100 non profit consulting firms based in Seattle, United States
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Non profit consulting firms based in Seattle, United States at a glance
As of Sep 21, 2026Companies by employee count
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 100 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 non profit 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 “non profit 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 non profit 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 non profit 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, 125 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.
Non profit consulting firms by metro in the United States
- Non profit consulting firms in New York256
- Non profit consulting firms in Washington222
- Non profit consulting firms in Chicago178
- Non profit consulting firms in Los Angeles146
- Non profit consulting firms in Atlanta145
- Non profit consulting firms in Seattle100
- Non profit consulting firms in Denver89
- Non profit consulting firms in Philadelphia80
- Non profit consulting firms in Boston74
- Non profit consulting firms in Houston74
- Non profit consulting firms in Austin73
- Non profit consulting firms in Portland73
- Non profit consulting firms in Dallas69
- Non profit consulting firms in San Francisco62
- Non profit consulting firms in Phoenix60
- Non profit consulting firms in San Diego54
- Non profit consulting firms in Minneapolis50
- Non profit consulting firms in Indianapolis49
- Non profit consulting firms in Miami40
- Non profit consulting firms in Arlington38
- Non profit consulting firms in Nashville37
- Non profit consulting firms in Charlotte36
- Non profit consulting firms in Cleveland36
- Non profit consulting firms in Columbus34
- Non profit consulting firms in Raleigh34
- Non profit consulting firms in Kansas City33
- Non profit consulting firms in Tampa33
- Non profit consulting firms in Alexandria32
- Non profit consulting firms in Richmond32
- Non profit consulting firms in Oakland31
- Non profit consulting firms in Detroit29
- Non profit consulting firms in Las Vegas28
- Non profit consulting firms in Pittsburgh27
- Non profit consulting firms in Brooklyn25
- Non profit consulting firms in Orlando25
- Non profit consulting firms in Sacramento25
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 non profit 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 non profit consulting firms are there based in Seattle, United States?
RevenueBase identified 100 non profit 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 has the most non profit consulting firms?
New York leads with 256 headquartered companies, followed by Washington (222) and Chicago (178).
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 125 verified decision-maker contacts tracked across these 100 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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