Company lists · Data refreshed October 2026

Top 25 Eco-friendly architecture firms based in Portland, United States

Name: Eco-friendly architecture firms based in Portland, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 11, 2026 84 companies tracked

RevenueBase identified 84 company matches for eco-friendly architecture firms associated with Portland, United States as of October 2026 and tracks 1,909 professional contacts across them, including 1,013 with verified work emails. Across the United States, New York is the largest hub for this category (274 companies); Portland has 84.

This list covers company matches for eco-friendly architecture 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 October 11, 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 Oct 11, 2026 How this list was built

84Companies

1,909Contacts tracked

1,013Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest eco-friendly architecture firms based in Portland, United States

Ranked by team size

Top 25 of 84 company matches for eco-friendly architecture firms based in Portland, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 11, 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	ZGF Architects	Exact match	Portland, OR, United StatesHQ recorded Oct 11, 2026	501-1,000	827 contacts →
	Exact match “With our origins in Oregon, attention to craft and beauty is elemental to the ZGF culture.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
2	Smrt Architects & Engineers	Exact match	Portland, ME, United StatesHQ recorded Oct 11, 2026	51-200	170 contacts →
	Exact match “SMRT is a full-service architecture, engineering, planning, interiors and energy firm that specializes in the design of sustainable and complex, 24/7 buildings for healthcare…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
3	Sera Architects	Exact match	Portland, OR, United StatesHQ recorded Oct 11, 2026	51-200	138 contacts →
	Exact match “Portland, OR + Oakland, CA SERA is a firm of dynamic thinkers, collaborators and creators who want to shape the world through smart planning and enduring design.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
4	GBD Architects	Exact match	Portland, OR, United StatesHQ recorded Oct 11, 2026	51-200	112 contacts →
	Exact match “WE MAKE BUILDINGS THAT WORK HARD.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
5	Opsis Architecture	Exact match	Portland, OR, United StatesHQ recorded Oct 11, 2026	51-200	64 contacts →
	Exact match “Based in Portland, Oregon, Opsis Architecture was established in Our mission is to advance our client's vision with inclusive and inspired design elevating the human experience…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
6	FFA Architecture And Interiors, INC	Exact match	Portland, OR, United StatesHQ recorded Oct 11, 2026	11-50	52 contacts →
	Exact match “Since 1956, FFA Architecture and Interiors (FFA) has focused on providing architecture, interior design, and planning services to the Pacific Northwest through beautiful…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
7	Soderstrom Architects	Exact match	Portland, OR, United StatesHQ recorded Oct 11, 2026	11-50	46 contacts →
	Exact match “Founded in 1984, Soderstrom Architects is a multidisciplinary design firm creating thoughtful, human-centered environments that strengthen communities and support long-term…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
8	SRG Cannondesign	Exact match	Portland, OR, United StatesHQ recorded Oct 11, 2026	51-200	44 contacts →
	Exact match “Founded in 1972, SRG Partnership is a full-service architecture, planning and interiors firm with offices in Portland, Oregon, and Seattle, Washington.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
9	Lever Architecture	Exact match	Portland, OR, United StatesHQ recorded Oct 11, 2026	11-50	32 contacts →
	Exact match “LEVER Architecture, based in Portland, Oregon, and Los Angeles, California, is at the forefront of design excellence and material innovation.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
10	Luma Lighting Design	Exact match	Portland, OR, United StatesHQ recorded Oct 11, 2026	11-50	25 contacts →
	Exact match “At LUMA, we’re focused on our clients and a shared vision of great architecture.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
11	Works Architecture	Exact match	Portland, OR, United StatesHQ recorded Oct 11, 2026	11-50	23 contacts →
	Exact match “WORKS Architecture is a collective of fearless design leaders committed to pushing the boundaries of conventional architecture with award-winning, innovative building practices.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
12	Clark Kjos Architects	Exact match	Portland, OR, United StatesHQ recorded Oct 11, 2026	11-50	23 contacts →
	Exact match “CKA is a unique group of professionals highly focused on architecture for health (with a wide range of project types), healthy environments, sustainable design practices…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
13	Green Hammer Design Build	Exact match	Portland, OR, United StatesHQ recorded Oct 11, 2026	11-50	23 contacts →
	Exact match “Green Hammer is a design build firm and certified B-Corp based in Portland, Oregon.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
14	OH Planning Design, Architecture	Exact match	Portland, OR, United StatesHQ recorded Oct 11, 2026	11-50	22 contacts →
	Exact match “Optimism and Health.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
15	Kaplan Thompson Architects	Exact match	Portland, ME, United StatesHQ recorded Oct 11, 2026	11-50	21 contacts →
	Exact match “Beauty.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
16	C2k Architecture, INC	Exact match	Portland, OR, United StatesHQ recorded Oct 11, 2026	11-50	14 contacts →
	Exact match “Since 2010, C2K Architecture has been shaping spaces that inspire and endure.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
17	Brightbuilt	Exact match	Portland, ME, United StatesHQ recorded Oct 11, 2026	1-10	13 contacts →
	Exact match “A Brighter Path to Your Forever Home \| Design Firm based in Portland, Maine.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
18	Juniper Design Build	Exact match	Portland, ME, United StatesHQ recorded Oct 11, 2026	11-50	12 contacts →
	Exact match “Hi.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
19	Studio Petretti Architecture	Exact match	Portland, OR, United StatesHQ recorded Oct 11, 2026	1-10	12 contacts →
	Exact match “Studio Petretti is a design-driven office focused on thoughtfulness of execution, service, and sustainability.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
20	Waterleaf Architecture	Exact match	Portland, OR, United StatesHQ recorded Oct 11, 2026	11-50	12 contacts →
	Exact match “Waterleaf has been active in the Northwest since 1952, focusing on four areas - commercial, transportation/industrial, medical/dental, and community.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
21	SUM Design Studio Architecture	Exact match	Portland, OR, United StatesHQ recorded Oct 11, 2026	11-50	9 contacts →
	Exact match “SUM Design Studio + architecture is a group of individuals inspired to practice their skills in the context of something greater than themselves.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
22	JRA Green Building	Exact match	Portland, OR, United StatesHQ recorded Oct 11, 2026	11-50	9 contacts →
	Exact match “JRA Green Building is a family owned company based in Portland, Oregon.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
23	Canal 5 Studio	Exact match	Portland, ME, United StatesHQ recorded Oct 11, 2026	1-10	9 contacts →
	Exact match “Canal 5 Studio is an architectural firm founded in 2011 to integrate the art of architecture with the science of high performance built environments.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
24	Birdsmouth Design-Build	Exact match	Portland, OR, United StatesHQ recorded Oct 11, 2026	11-50	7 contacts →
	Exact match “A recognized leader in high-performance building and design, Birdsmouth creates zero-energy buildings that are healthier, more comfortable, and more resilient than the industry…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
25	Harka Architecture, LLC	Exact match	Portland, OR, United StatesHQ recorded Oct 11, 2026	1-10	7 contacts →
	Exact match “Harka was founded with an inquisitive spirit and lofty objective: to create beautiful and inspiring spaces that possess the lowest carbon footprint possible while empowering their…” Recorded in the RevenueBase company graph · Oct 11, 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 “eco-friendly architecture 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 84 eco-friendly architecture firms based in Portland, United States

See the full list, filter by size, metro and specialty, and access 1,013 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Eco-friendly architecture firms based in Portland, United States at a glance

As of Oct 11, 2026

53.1%Verified-email coverage

22.7Average contacts per company

1-10Median size (employees)

Oct 11, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

501-1,000

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 84 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 “eco-friendly architecture 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 1,013 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 October 11, 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.

Eco-friendly architecture 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 “eco-friendly architecture firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many eco-friendly architecture firms are there based in Portland, United States?

RevenueBase identified 84 company matches for eco-friendly architecture firms associated with Portland, United States as of October 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?

ZGF Architects 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 eco-friendly architecture firms?

New York leads the United States with 274 company records, followed by Los Angeles (136) and Seattle (100). Portland has 84.

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 1,013 professional contacts with verified work emails tracked across these 84 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 October 11, 2026.

Ready to reach these companies? Verified emails and direct dials for all 84 eco-friendly architecture firms based in Portland, United States. Start with a free account, no credit card.

Download this list →

Related lists

Eco-friendly architecture firms by geography

Browse the directory

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.