Company lists · Data refreshed October 2026

Top 25 Green architecture firms worldwide

Name: Green architecture firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 13, 2026 31,212 companies tracked

RevenueBase identified 31,212 company matches for green architecture firms worldwide as of October 2026 and tracks 588,265 professional contacts across them, including 205,511 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for green architecture firms worldwide, 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 13, 2026. Country and city lists for green architecture firms follow the table.

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 13, 2026 How this list was built

31,212Companies

588,265Contacts tracked

205,511Verified emails

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

The 25 largest green architecture firms worldwide

Ranked by team size

Top 25 of 31,212 company matches for green architecture firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 13, 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	Arcadis	Exact match	Amsterdam, United KingdomHQ recorded Oct 13, 2026	10001+	35,503 contacts →
	Exact match “Arcadis is a leading global partner, delivering transformative projects with businesses, cities and industries.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
2	Stantec	Exact match	Edmonton, AB, CanadaHQ recorded Oct 13, 2026	10001+	29,839 contacts →
	Exact match “Stantec empowers clients, people, and communities to rise to the world’s greatest challenges at a time when the world faces more unprecedented concerns than ever before.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
3	ARUP	Exact match	London, United KingdomHQ recorded Oct 13, 2026	10001+	22,234 contacts →
	Exact match “We guide, plan and design the future of the built environment.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
4	SWECO	Exact match	Stockholm, SwedenHQ recorded Oct 13, 2026	10001+	19,246 contacts →
	Exact match “Sweco is at the heart of the green transition - planning and designing the sustainable communities and cities of the future.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
5	Ramboll	Exact match	Copenhagen, DenmarkHQ recorded Oct 13, 2026	10001+	16,209 contacts →
	Exact match “Ramboll is a global architecture, engineering and consultancy company founded in Denmark in 1945.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
6	EGIS	Exact match	Saint-quentin-en-yvelines, FranceHQ recorded Oct 13, 2026	10001+	12,506 contacts →
	Exact match “Egis is a leading global architectural, consulting, construction engineering, operations and mobility services firm.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
7	DAR	Exact match	Beirut, LebanonHQ recorded Oct 13, 2026	10001+	11,261 contacts →
	Exact match “Dar is one of the world’s leading consultancies, providing design, planning, engineering, sustainability consulting, digital solutions and services, project management, and…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
8	WSP In The U.S	Exact match	New York, NY, United StatesHQ recorded Oct 13, 2026	10001+	10,184 contacts →
	Exact match “What if you could shape built and natural environments – and the future of those that use them?” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
9	COWI	Exact match	Lyngby, DenmarkHQ recorded Oct 13, 2026	5,001-10,000	7,558 contacts →
	Exact match “Together with customers, partners and colleagues, we shape a future where people and societies grow and flourish.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
10	TRC Companies, INC	Exact match	Windsor, CT, United StatesHQ recorded Oct 13, 2026	5,001-10,000	7,140 contacts →
	Exact match “TRC, a member of WSP, stands for adaptability.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
11	Khatib & Alami	Exact match	Downtown, PolandHQ recorded Oct 13, 2026	5,001-10,000	6,200 contacts →
	Exact match “Khatib & Alami (K&A) is a multidisciplinary design consultancy which operates primarily across the Middle East & Africa, Levant, Central and South-East Asia, and Europe.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
12	Drees & Sommer	Exact match	Stuttgart, GermanyHQ recorded Oct 13, 2026	5,001-10,000	3,469 contacts →
	Exact match “Uniting opposites to create a world we want to live in Drees & Sommer is a partner-managed, global consulting company providing a single source of consultation and implementation…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
13	Julius Berger Nigeria PLC	Exact match	Utako, NigeriaHQ recorded Oct 13, 2026	10001+	3,467 contacts →
	Exact match “Julius Berger Nigeria Plc is a leading construction company offering integrated construction solutions and related services.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
14	Perkins&will	Exact match	Chicago, IL, United StatesHQ recorded Oct 13, 2026	1,001-5,000	3,165 contacts →
	Exact match “Since 1935, we’ve believed that design has the power to make the world a better, more beautiful place.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
15	Foster Partners	Exact match	London, United KingdomHQ recorded Oct 13, 2026	1,001-5,000	2,929 contacts →
	Exact match “Foster + Partners is a global studio for architecture, urbanism and design, all rooted in sustainability and founded by Norman Foster in 1967.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
16	Dewberry	Exact match	Fairfax, VA, United StatesHQ recorded Oct 13, 2026	1,001-5,000	2,918 contacts →
	Exact match “Dewberry is a leading, market-facing firm with a proven history of providing professional services to a wide variety of public- and private-sector clients.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
17	HOK	Exact match	New York, NY, United StatesHQ recorded Oct 13, 2026	1,001-5,000	2,772 contacts →
	Exact match “HOK is a global interdisciplinary design firm.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
18	NIRAS	Exact match	Allerød, DenmarkHQ recorded Oct 13, 2026	1,001-5,000	2,701 contacts →
	Exact match “At NIRAS, we engineer solutions for a shared future.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
19	Hks, INC	Exact match	Dallas, TX, United StatesHQ recorded Oct 13, 2026	1,001-5,000	2,618 contacts →
	Exact match “We are a global firm of architects, designers, planners and advisors who create places noted for their beauty and performance.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
20	TYPSA	Exact match	San Sebastian De Los Reyes, SpainHQ recorded Oct 13, 2026	1,001-5,000	2,548 contacts →
	Exact match “TYPSA is an independent consulting and engineering services group, and a leader in infrastructure, energy, environmental and city solutions.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
21	KEO International Consultants	Exact match	Safat, KuwaitHQ recorded Oct 13, 2026	1,001-5,000	2,111 contacts →
	Exact match “From shaping iconic skylines to crafting sustainable communities, KEO builds legacies for a better tomorrow.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
22	Skidmore, Owings & Merrill SOM	Exact match	New York, NY, United StatesHQ recorded Oct 13, 2026	1,001-5,000	2,102 contacts →
	Exact match “Skidmore, Owings & Merrill (SOM) is a global practice of architects, designers, engineers, and planners, responsible for some of the world’s most technically and environmentally…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
23	YIT	Exact match	Helsinki, FinlandHQ recorded Oct 13, 2026	1,001-5,000	2,079 contacts →
	Exact match “We build and develop sustainable living environments: functional and attractive homes, future-proof public and commercial buildings, infrastructure to support the green transition…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
24	IMEG	Exact match	Rock Island, IL, United StatesHQ recorded Oct 13, 2026	1,001-5,000	2,064 contacts →
	Exact match “Leaders in Engineering and Innovation.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
25	DLR Group	Exact match	30 Offices, MN, United StatesHQ recorded Oct 13, 2026	1,001-5,000	2,039 contacts →
	Exact match “DLR Group is an integrated design firm delivering architecture, engineering, interiors, planning, and building optimization for new construction, renovation, and adaptive reuse.” Recorded in the RevenueBase company graph · Oct 13, 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 “green 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 31,212 green architecture firms worldwide

See the full list, filter by size, metro and specialty, and access 205,511 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Green architecture firms worldwide at a glance

As of Oct 13, 2026

34.9%Verified-email coverage

18.8Average contacts per company

1-10Median size (employees)

1.5%Largest-city concentration · London

Oct 13, 2026Page data refreshed

Companies by employee count

1-10

20,142

11-50

8,432

51-200

1,751

201-500

438

501-1,000

124

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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.
Coverage: Every country. Country and city lists for green architecture firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “green 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. 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 205,511 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 13, 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.

Green architecture firms by location

158 lists · largest first

Every Green architecture firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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

How many green architecture firms are there worldwide?

RevenueBase identified 31,212 company matches for green architecture firms worldwide 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?

Arcadis tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most green architecture firms?

The United States leads with 4,370 companies, followed by India (2,460) and Germany (1,859). Every green architecture firms list by country and city is linked on this page.

Which city has the most green architecture firms?

London leads with 475 company records, followed by Paris (395) and New York (310).

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 205,511 professional contacts with verified work emails tracked across these 31,212 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 13, 2026.

Ready to reach these companies? Verified emails and direct dials for all 31,212 green architecture firms worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.