Company lists · Data refreshed September 2026

Top 25 Impact consulting firms based in Seattle, United States

Name: Impact 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 30, 2026 431 companies tracked

RevenueBase identified 431 company matches for impact consulting firms associated with Seattle, United States as of September 2026 and tracks 3,264 professional contacts across them, including 1,388 with verified work emails. Across the United States, New York is the largest hub for this category (1,952 companies); Seattle has 431.

This list covers company matches for impact consulting firms associated with Seattle, 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 30, 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 30, 2026 How this list was built

431Companies

3,264Contacts tracked

1,388Verified emails

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

Ranked by team size

Top 25 of 431 company matches for impact consulting firms based in Seattle, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 30, 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	Point B	Exact match	Seattle, WA, United StatesHQ recorded Sep 30, 2026	501-1,000	656 contacts →
	Exact match “At Point B, we help organizations adapt and thrive in a world that refuses to stand still.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
2	Wimmer Solutions	Exact match	Seattle, WA, United StatesHQ recorded Sep 30, 2026	501-1,000	262 contacts →
	Exact match “We help you to see the full picture, bringing our experts together with you to co-develop approaches and operationalize plans across the dimension of strategy, people, process…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3	Bridge Partners	Exact match	Seattle, WA, United StatesHQ recorded Sep 30, 2026	201-500	247 contacts →
	Exact match “Bridge Partners is a people-focused, customer-driven consulting firm that helps organizations transform to drive revenue growth, adapt to change, and create customer value.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
4	Logic20 20, INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 30, 2026	201-500	240 contacts →
	Exact match “Headquartered in Seattle with offices nationwide, we've been helping clients address their toughest challenges-and achieve their most ambitious goals-since 2005.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5	Cascadia Consulting Group	Exact match	Seattle, WA, United StatesHQ recorded Sep 30, 2026	51-200	110 contacts →
	Exact match “Cascadia Consulting Group is a majority women-owned consulting firm specializing in environmental and sustainability solutions.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
6	Berk Consulting, INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 30, 2026	11-50	68 contacts →
	Exact match “BERK is an interdisciplinary consultancy integrating strategy, planning, and policy development; financial and economic analysis; and facilitation, design, and communications.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7	Turning Point Strategic Advisors	Exact match	Seattle, WA, United StatesHQ recorded Sep 30, 2026	11-50	46 contacts →
	Exact match “Our goal is simple: We strive to empower businesses with the tools and expertise they need to thrive.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8	Ross Strategic	Exact match	Seattle, WA, United StatesHQ recorded Sep 30, 2026	11-50	42 contacts →
	Exact match “Ross Strategic is a small mission-driven company of approximately 40 employees.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9	ORS Impact	Exact match	Seattle, WA, United StatesHQ recorded Sep 30, 2026	11-50	36 contacts →
	Exact match “We nurture collaborations with our clients, bringing distinctive expertise in planning and measurement, strategy, and evaluation to their most vexing challenges.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10	Linksbridge	Exact match	Seattle, WA, United StatesHQ recorded Sep 30, 2026	11-50	35 contacts →
	Exact match “Linksbridge expands the capacity of NGOs, IGOs, and nonprofits to improve human lives.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11	Intentional Futures	Exact match	Seattle, WA, United StatesHQ recorded Sep 30, 2026	11-50	34 contacts →
	Exact match “Why does Intentional Futures exist?” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12	Formative	Exact match	Seattle, WA, United StatesHQ recorded Sep 30, 2026	11-50	31 contacts →
	Exact match “Driven by work that matters, we help our clients navigate the complex worlds of marketing, advocacy, and technology.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13	Decision Support Consulting LLC	Exact match	Seattle, WA, United StatesHQ recorded Sep 30, 2026	51-200	30 contacts →
	Exact match “A multidisciplinary group of experts that supports business owners and directors in analyzing their companies to identify issues or opportunities and find alternative solutions…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14	Waldron CPI NOW Sparkeffect	Exact match	Seattle, WA, United StatesHQ recorded Sep 30, 2026	51-200	29 contacts →
	Exact match “Waldron CPI (a Career Partners International affiliate) is now SparkEffect.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15	Forum Solutions LLC	Exact match	Seattle, WA, United StatesHQ recorded Sep 30, 2026	11-50	28 contacts →
	Exact match “Forum Solutions is a management consulting firm partnering with leaders to turn strategy into results and disruption into lasting advantage.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
16	Exit83 Consulting	Exact match	Seattle, WA, United StatesHQ recorded Sep 30, 2026	51-200	25 contacts →
	Exact match “Since 2007, EXIT83 Consulting has been assisting companies with Website Development, Software Architecture, Mobile Application Development, Business Analysis and Fundraising…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17	Humbition Consulting	Exact match	Seattle, WA, United StatesHQ recorded Sep 30, 2026	11-50	24 contacts →
	Exact match “Humbition Consulting is a minority, women, and disabled led firm with the bold vision of transforming every corporation to be socially responsible and equitable.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18	Delta E Consulting	Exact match	Seattle, WA, United StatesHQ recorded Sep 30, 2026	11-50	22 contacts →
	Exact match “At Delta E, we specialize in a diverse range of consulting services, including Sustainability, Carbon consulting, Energy services, and design expertise in Mechanical, Electrical…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19	Resourceful	Exact match	Seattle, WA, United StatesHQ recorded Sep 30, 2026	51-200	21 contacts →
	Exact match “We turn AI ambition into operational advantage.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20	Tamazari	Exact match	Seattle, WA, United StatesHQ recorded Sep 30, 2026	11-50	20 contacts →
	Exact match “Tamazari solves complex business challenges with clarity, execution, and measurable results.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21	Kinetic West	Exact match	Seattle, WA, United StatesHQ recorded Sep 30, 2026	11-50	19 contacts →
	Exact match “Kinetic West is a social impact consulting firm.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22	Sankofa Consulting LLC	Exact match	Seattle, WA, United StatesHQ recorded Sep 30, 2026	11-50	18 contacts →
	Exact match “Our team brings expertise in Monitoring, Evaluation, and Learning (MEL) across sectors and geographies, and experience engaging with non-profits of various sizes.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23	Tokusaku Consulting	Exact match	Seattle, WA, United StatesHQ recorded Sep 30, 2026	11-50	17 contacts →
	Exact match “tō·kü·sȯ·kü/ A well thought plan TokuSaku Consulting is a management and technology consulting company dedicated to driving best-of-class solutions with innovative approaches.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
24	Paritii	Exact match	Seattle, WA, United StatesHQ recorded Sep 30, 2026	11-50	17 contacts →
	Exact match “A dynamic firm specializing in tech-enabled, data-driven strategies that deliver sophisticated, sustainable, and impactful solutions for businesses and communities.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25	Oxygen EXP	Exact match	Seattle, WA, United StatesHQ recorded Sep 30, 2026	11-50	17 contacts →
	Exact match “Oxygen is a boutique consulting services firm that drives business growth for corporate enterprise and mid-market companies.” Recorded in the RevenueBase company graph · Sep 30, 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 “impact consulting firms”. 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 25 of 431 impact consulting firms based in Seattle, United States

See the full list, filter by size, metro and specialty, and access 1,388 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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

As of Sep 30, 2026

42.5%Verified-email coverage

7.6Average contacts per company

1-10Median size (employees)

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

348

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 431 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 Seattle, United States whose business descriptions match “impact consulting firms” 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 1,388 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 30, 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.

Impact consulting firms 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 “impact consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many impact consulting firms are there based in Seattle, United States?

RevenueBase identified 431 company matches for impact consulting firms associated with Seattle, 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?

Point B 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 impact consulting firms?

New York leads the United States with 1,952 company records, followed by Chicago (974) and Washington (937). Seattle has 431.

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 1,388 professional contacts with verified work emails tracked across these 431 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 30, 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.