Company lists · Data refreshed September 2026

Top 25 Sustainability and climate change consulting firms based in Portland, United States

Name: Sustainability and climate change 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 21, 2026 43 companies tracked

RevenueBase identified 43 company matches for sustainability and climate change consulting firms associated with Portland, United States as of September 2026 and tracks 474 professional contacts across them, including 321 with verified work emails. Across the United States, New York is the largest hub for this category (198 companies); Portland has 43.

This list covers company matches for sustainability and climate change 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 21, 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 21, 2026 How this list was built

43Companies

474Contacts tracked

321Verified emails

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The 25 largest sustainability and climate change consulting firms based in Portland, United States

Ranked by team size

Top 25 of 43 company matches for sustainability and climate change consulting firms based in Portland, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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	Cascade Energy	Exact match	Portland, OR, United StatesHQ recorded Sep 21, 2026	201-500	288 contacts →
	Exact match “At Cascade Energy, we believe in better.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	Brightworks Sustainability	Exact match	Portland, OR, United StatesHQ recorded Sep 21, 2026	51-200	61 contacts →
	Exact match “Recognized for advanced subject matter expertise, wide-ranging technical resources, creative problem-solving, and excellence in professional practice, Brightworks Sustainability…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	Cascadia Partners	Exact match	Portland, OR, United StatesHQ recorded Sep 21, 2026	11-50	20 contacts →
	Exact match “Cascadia Partners are a multi-disciplinary team with decades of experience in planning, design, development finance, sustainability, project management, and community engagement.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	Samara Group PDX	Exact match	Portland, OR, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
5	Triplewin Advisory	Exact match	Portland, OR, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
6	Creative Renewable Solutions, LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 21, 2026	1-10	6 contacts →
	Exact match “Creative Renewable Solutions is a clean energy consulting firm that helps businesses, utilities, and clean energy developers achieve their unique sustainability and performance…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	Gordian Knot Strategies	Exact match	Portland, OR, United StatesHQ recorded Sep 21, 2026	1-10	6 contacts →
	Exact match “At Gordian Knot Strategies, we are expert climate finance consultants.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	Siler Climate Consulting	Exact match	Portland, ME, United StatesHQ recorded Sep 21, 2026	1-10	6 contacts →
	Exact match “Siler Climate Consulting works with clients to imagine and facilitate climate plans, projects, and programs that realize the transformative potential of climate action while…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	Briburn	Exact match	Portland, ME, United StatesHQ recorded Sep 21, 2026	1-10	5 contacts →
	Exact match “BRIBURN is committed to creating innovative, energy efficient, and environmentally sound solutions, for residential, commercial, institutional, and civic projects, that artfully…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	Alder & CO	Exact match	Portland, United StatesHQ recorded Sep 21, 2026	11-50	5 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	Ehns Partners	Exact match	Portland, ME, United StatesHQ recorded Sep 21, 2026	1-10	4 contacts →
	Exact match “EHNS Partners is a small dedicated team specializing in environmental, health, and safety consulting and engineering.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	Project Pivot	Exact match	Portland, OR, United StatesHQ recorded Sep 21, 2026	1-10	4 contacts →
	Exact match “Project Pivot is a women-owned, sustainability consulting firm in Portland, Oregon.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	Cleanfuture, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 21, 2026	1-10	3 contacts →
	Exact match “CleanFuture is a consulting firm providing business and technical expertise in supply chain, sustainability, the combination of sustainability + supply chain, and a specialized…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	Minerva Ventures	Exact match	Portland, OR, United StatesHQ recorded Sep 21, 2026	1-10	2 contacts →
	Exact match “OUR MISSION We believe that economic success requires a stable climate and healthy ecosystems to enable robust markets, access to materials, transportation, energy, food, water…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	Spring Forward LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 21, 2026	1-10	2 contacts →
	Exact match “Spring Forward LLC is a woman-owned sustainability consulting firm based out of Portland, Oregon.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	Brazen Story CO	Exact match	Portland, OR, United StatesHQ recorded Sep 21, 2026	1-10	2 contacts →
	Exact match “Brazen- adj:marked by shameless or disrespectful boldness // “a /brazen/ disregard for the rules.” You have big, bold ideas.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	Carbon Solutions Northwest LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 21, 2026	1-10	1 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	Brockman Climate Strategies	Exact match	Portland, OR, United StatesHQ recorded Sep 21, 2026	1-10	1 contacts →
	Exact match “I am focused on applying my 40+ year architectural experience to help decarbonize the built environment through three areas of service- Strategic Facilitation - Policy and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Summer Bunker	Exact match	Portland, OR, United StatesHQ recorded Sep 21, 2026	1-10	1 contacts →
	Exact match “Summer Bunker is a Portland, Oregon-based brand and strategic marketing consultancy founded by Sarah Costello and powered by a community of world-class strategists, designers…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	Uplevel Energy	Exact match	Portland, OR, United StatesHQ recorded Sep 21, 2026	1-10	1 contacts →
	Exact match “Uplevel Energy provides targeted and specialized expertise in the energy and decarbonization sector.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	Five Stakes	Exact match	Portland, OR, United StatesHQ recorded Sep 21, 2026	1-10	1 contacts →
	Exact match “Commitment There are roads to making progress on sustainability.and then there are shortcuts.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	Climbsmart Strategies	Exact match	Portland, OR, United StatesHQ recorded Sep 21, 2026	1-10	1 contacts →
	Exact match “ClimbSmart Strategies specializes in guiding organizations through the complexities of change to drive purpose-forward and sustainable transformations.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	Sarah Cleveland Consulting	Exact match	Portland, OR, United StatesHQ recorded Sep 21, 2026	1-10	1 contacts →
	Exact match “Our world is complex.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	Zone Design Group LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 21, 2026	1-10	1 contacts →
	Exact match “There is a major gap in how we currently design buildings.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25	Justin B. Green Consulting	Exact match	Portland, OR, United StatesHQ recorded Sep 21, 2026	1-10	1 contacts →
	Exact match “Solutions-Oriented Consultancy Providing Environment, Energy, and Government Consulting.” Recorded in the RevenueBase company graph · Sep 21, 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 “sustainability and climate change 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 43 sustainability and climate change consulting firms based in Portland, United States

See the full list, filter by size, metro and specialty, and access 321 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Sustainability and climate change consulting firms based in Portland, United States at a glance

As of Sep 21, 2026

67.7%Verified-email coverage

11.0Average contacts per company

1-10Median size (employees)

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

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 43 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 “sustainability and climate change 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 321 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 21, 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.

Sustainability and climate change 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 “sustainability and climate change consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sustainability and climate change consulting firms are there based in Portland, United States?

RevenueBase identified 43 company matches for sustainability and climate change 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?

Cascade Energy 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 sustainability and climate change consulting firms?

New York leads the United States with 198 company records, followed by Houston (79) and Washington (77). Portland has 43.

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 321 professional contacts with verified work emails tracked across these 43 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 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 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.