Company lists · Data refreshed October 2026

Top 25 Eco-friendly architects based in Seattle, United States

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

Compiled by the RevenueBase Data Team Data refreshed Oct 11, 2026 54 companies tracked

RevenueBase identified 54 company matches for eco-friendly architects associated with Seattle, United States as of October 2026 and tracks 2,841 professional contacts across them, including 1,984 with verified work emails. Across the United States, New York is the largest hub for this category (138 companies); Seattle has 54.

This list covers company matches for eco-friendly architects 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 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

54Companies

2,841Contacts tracked

1,984Verified emails

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The 25 largest eco-friendly architects based in Seattle, United States

Ranked by team size

Top 25 of 54 company matches for eco-friendly architects based in Seattle, 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	Mckinstry	Exact match	Seattle, WA, United StatesHQ recorded Oct 11, 2026	1,001-5,000	2,293 contacts →
	Exact match “We're a national construction and energy services company dedicated to innovating the waste and climate harm out of the built environment.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
2	The Miller Hull Partnership, LLP	Exact match	Seattle, WA, United StatesHQ recorded Oct 11, 2026	51-200	113 contacts →
	Exact match “The Miller Hull Partnership is an architecture and planning firm rooted in environmentally-responsible designs that create a regenerative and inclusive future.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
3	Cascadia Consulting Group	Exact match	Seattle, WA, United StatesHQ recorded Oct 11, 2026	51-200	108 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 · Oct 11, 2026 · View company records in RevenueBase
4	SMR Architects	Exact match	Seattle, WA, United StatesHQ recorded Oct 11, 2026	11-50	50 contacts →
	Exact match “SMR Architects is a full-service architecture firm established in Seattle in 1977 as Stickney & Murphy Architects.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
5	Ecotope, INC	Exact match	Seattle, WA, United StatesHQ recorded Oct 11, 2026	11-50	28 contacts →
	Exact match “Ecotope has provided sustainable building design consulting and engineering services in the Pacific Northwest for over 40 years.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
6	Delta E Consulting	Exact match	Seattle, WA, United StatesHQ recorded Oct 11, 2026	11-50	27 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 · Oct 11, 2026 · View company records in RevenueBase
7	Runberg Architecture Group	Exact match	Seattle, WA, United StatesHQ recorded Oct 11, 2026	11-50	24 contacts →
	Exact match “Since our founding in 1998, Runberg Architecture Group has earned a name for thoughtful design that balances the unique social, economic and environmental interests of each…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
8	O'brien360	Exact match	Seattle, WA, United StatesHQ recorded Oct 11, 2026	11-50	22 contacts →
	Exact match “O'Brien360 is a nationally recognized leader in the sustainable building community.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
9	Cast Architecture	Exact match	Seattle, WA, United StatesHQ recorded Oct 11, 2026	11-50	15 contacts →
	Exact match “CAST architecture is a Seattle-based firm with extensive experience designing contemporary spaces throughout the Northwest.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
10	Mwworks	Exact match	Seattle, WA, United StatesHQ recorded Oct 11, 2026	1-10	13 contacts →
	Exact match “mwworks llc is a Seattle based design studio offering architectural and interior design services to residential and commercial clients.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
11	B9 Architects	Exact match	Seattle, WA, United StatesHQ recorded Oct 11, 2026	1-10	12 contacts →
	Exact match “b9 architects' work focuses on creating positive change in the urban environment through innovative place-specific modern architecture.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
12	JW Architects	Exact match	Seattle, WA, United StatesHQ recorded Oct 11, 2026	11-50	12 contacts →
	Exact match “JW Architects is an architecture firm that specializes in residential and mixed use designs in the greater Seattle area.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
13	Energy Retrofit	Exact match	Seattle, WA, United StatesHQ recorded Oct 11, 2026	1-10	8 contacts →
	Exact match “Energy Retrofit helps homeowners save money and become more energy efficient.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
14	Rohleder Borges Architecture	Exact match	Seattle, WA, United StatesHQ recorded Oct 11, 2026	1-10	6 contacts →
	Exact match “RBA designs timeless light-filled architecture that is versatile and practical for modern life.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
15	Archecology	Exact match	Seattle, WA, United StatesHQ recorded Oct 11, 2026	1-10	6 contacts →
	Exact match “We help our partners and project teams understand complex sustainability strategies, evaluate the tradeoffs, and achieve their green building certification goals to produce…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
16	7 Directions Architects Planners	Exact match	Seattle, WA, United StatesHQ recorded Oct 11, 2026	1-10	6 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
17	Batt Lear	Exact match	Seattle, WA, United StatesHQ recorded Oct 11, 2026	1-10	6 contacts →
	Exact match “Batt + Lear is a family-run Seattle business that has been dedicated to designing and building sustainably since We build and remodel structures to be highly energy-efficient…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
18	Christopher Jones Architects	Exact match	Seattle, WA, United StatesHQ recorded Oct 11, 2026	1-10	5 contacts →
	Exact match “Christopher Jones Architects is a Seattle based residential design firm founded on the belief that all buildings should be thoughtfully designed, well crafted, sustainable, and…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
19	Fabcab INC	Exact match	Seattle, WA, United StatesHQ recorded Oct 11, 2026	1-10	4 contacts →
	Exact match “We are a full-service architecture firm that combines the best of everything in new home design - custom floor plans, sustainable practices, universal design features and durable…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
20	E Cobb Architects INC	Exact match	Seattle, WA, United StatesHQ recorded Oct 11, 2026	11-50	3 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
21	Kruger Architecture	Exact match	Seattle, WA, United StatesHQ recorded Oct 11, 2026	1-10	3 contacts →
	Exact match “Kruger Architecture provides architecture and design services that respond to clients' unique needs.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
22	Paladino, A Buro Happold Company	Exact match	Seattle, WA, United StatesHQ recorded Oct 11, 2026	11-50	2 contacts →
	Exact match “We are pleased to announce that Paladino and Company is now part of and operating as Buro Happold.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
23	Innovative Structures, LLC	Exact match	Seattle, WA, United StatesHQ recorded Oct 11, 2026	1-10	2 contacts →
	Exact match “Innovative Structures provides pre-engineered mass timber packages- personalized to fit your needs and delivered straight to your property.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
24	Solterra Solar	Exact match	Seattle, WA, United StatesHQ recorded Oct 11, 2026	11-50	2 contacts →
	Exact match “SolTerra is on a mission to prove sustainable living is within reach for everyone.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
25	Dwell Development LLC	Exact match	Seattle, WA, United StatesHQ recorded Oct 11, 2026	1-10	2 contacts →
	Exact match Recorded description not available. 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 architects”. 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 54 eco-friendly architects based in Seattle, United States

See the full list, filter by size, metro and specialty, and access 1,984 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Eco-friendly architects based in Seattle, United States at a glance

As of Oct 11, 2026

69.8%Verified-email coverage

52.6Average contacts per company

1-10Median size (employees)

Oct 11, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

1,001-5,000

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 54 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 “eco-friendly architects” 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 1,984 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 architects 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 architects”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many eco-friendly architects are there based in Seattle, United States?

RevenueBase identified 54 company matches for eco-friendly architects associated with Seattle, 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?

Mckinstry 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 architects?

New York leads the United States with 138 company records, followed by Los Angeles (70) and Seattle (54).

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 1,984 professional contacts with verified work emails tracked across these 54 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.

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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.