Company lists · Data refreshed September 2026

Top 25 Impact consulting firms based in Portland, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 289 companies tracked

RevenueBase identified 289 company matches for impact consulting firms associated with Portland, United States as of September 2026 and tracks 1,857 professional contacts across them, including 851 with verified work emails. Across the United States, New York is the largest hub for this category (1,952 companies); Portland has 289.

This list covers company matches for impact consulting firms associated with Portland, 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

289Companies

1,857Contacts tracked

851Verified emails

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

Ranked by team size

Top 25 of 289 company matches for impact consulting firms based in Portland, 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	Propeller	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	51-200	137 contacts →
	Exact match “Propeller is a people-focused management consulting firm that focuses on one thing: accelerating transformation to help businesses succeed.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
2	The Gunter Group	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	51-200	72 contacts →
	Exact match “At The Gunter Group, we believe that successful transformation is built on trust, collaboration, and a deep understanding of our clients' unique challenges.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3	Corsource	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	51-200	69 contacts →
	Exact match “CorSource is a technology consulting firm dedicated to turning innovation into a competitive advantage.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
4	Percipio Consulting Group	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	11-50	50 contacts →
	Exact match “Growth grounded in Partnership Deeply rooted in the Pacific Northwest, Percipio Group is a Portland-based consulting firm that is sharply focused on a prosperous future for the…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5	International Institute For Analytics	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	11-50	36 contacts →
	Exact match “The International Institute for Analytics (IIA) is an independent, strategic, outcome-focused data and analytics advisory firm.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
6	Northcross Group	Exact match	Portland, ME, United StatesHQ recorded Sep 30, 2026	11-50	34 contacts →
	Exact match “Northcross Group (NCG) helps companies take on big challenges and build sustainable programs for continued success as they grow and evolve.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7	FB Environmental Associates	Exact match	Portland, ME, United StatesHQ recorded Sep 30, 2026	11-50	28 contacts →
	Exact match “Where Science Meets Civics" Our Mission: FB Environmental is dedicated to practical stewardship of our natural world.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8	Stronger Consulting	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	11-50	24 contacts →
	Exact match “Stronger Consulting is a Latinx-founded, mission-driven consulting firm dedicated to building stronger leaders, healthier organizations, and better outcomes for young people and…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9	Radha Consulting	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	11-50	23 contacts →
	Exact match “Radha Consulting was founded in 2005 to respond to the growing market need in the public sector for consulting services.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10	IDEBA	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	11-50	20 contacts →
	Exact match “Ideba is a customer-driven consulting firm combining the brightest minds to create actionable insights from experience.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11	Samara Group PDX	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	1-10	19 contacts →
	Exact match “Samara Group LLC was founded to enhance environmental projects centered around rigorous science, inclusive partnerships, and effective communications.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12	Pepper Foster Consulting	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	51-200	19 contacts →
	Exact match “Pepper Foster Consulting is a strategic project consulting firm with offices in Atlanta, Minneapolis, and Portland, OR.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13	Territory, INC	Exact match	Portland, United StatesHQ recorded Sep 30, 2026	11-50	15 contacts →
	Exact match “At Territory, we’re a nimble, seasoned team of business consultants, strategists, and designers.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14	LKA Fundraising & Communications	Exact match	Portland, United StatesHQ recorded Sep 30, 2026	11-50	14 contacts →
	Exact match “LKA’s team of talented consultants weaves strategy and creativity into a powerful combination of planning, storytelling, and technique to help move your message forward, drive…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15	Leland Consulting Group	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	1-10	14 contacts →
	Exact match “At Leland Consulting Group, we specialize in working with clients to create quality development and redevelopment projects that are financially viable and foster a greater sense…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
16	Noto Group	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	11-50	9 contacts →
	Exact match “Noto Group is a purpose and mission-driven executive search and consulting firm with expertise in recruiting for Director, VP and C-Level roles.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17	Disruptive Growth Solutions, LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	1-10	8 contacts →
	Exact match “Disruptive Growth Solutions, LLC works with Dealerships, Vendors and Individuals who are interested in achieving significant improvements in their results.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18	Triplewin Advisory	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	1-10	8 contacts →
	Exact match “Everyone is too aware of the dangers of ignoring sustainability, but are you aware of the range of advantages in a proper sustainability strategy?” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19	Mgp, INC	Exact match	Portland, ME, United StatesHQ recorded Sep 30, 2026	11-50	7 contacts →
	Exact match “MGP is a business consulting firm dedicated to delivering superior results to our customers.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20	Longfellow Communications	Exact match	Portland, ME, United StatesHQ recorded Sep 30, 2026	1-10	6 contacts →
	Exact match “Longfellow Communications is a strategic communications consulting firm based in Portland, Maine.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21	Metaskills Consulting Group INC	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	1-10	6 contacts →
	Exact match “MetaSkills Consulting Groups helps leaders, teams, and organizations achieve success and establish best practices by providing consulting, assessments, practical tools, customized…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22	M28 Global, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	11-50	6 contacts →
	Exact match “M28 Global Consultants and Alliance Partners work with leaders of businesses and organizations as they address significant operational challenges driven by: Complexity tied to…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23	Acadia Leadership Partners INC	Exact match	Portland, ME, United StatesHQ recorded Sep 30, 2026	11-50	6 contacts →
	Exact match “Acadia Leadership Partners INC (ALPS) elevates your companies' value proposition by tailoring it to industry executives through our executive channel networks.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
24	Statement CO	Exact match	Portland, OR, United StatesHQ recorded Sep 30, 2026	1-10	6 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25	Pro-Voke	Exact match	Portland, ME, United StatesHQ recorded Sep 30, 2026	1-10	5 contacts →
	Exact match “In 2013, we created pro-voke to provide leaders with a way to really zoom in on the most important conversations they should be having to move their businesses forward.” 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 289 impact consulting firms based in Portland, United States

See the full list, filter by size, metro and specialty, and access 851 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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

As of Sep 30, 2026

45.8%Verified-email coverage

6.4Average contacts per company

1-10Median size (employees)

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

257

11-50

51-200

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Portland, so it is reported there. Company counts and contact totals on this page are exact for Portland, over 289 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 Portland, 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 851 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 Portland, United States?

RevenueBase identified 289 company matches for impact consulting firms associated with Portland, 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?

Propeller 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). Portland has 289.

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 851 professional contacts with verified work emails tracked across these 289 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.