Company lists · Data refreshed September 2026

Top 25 Green building consultancies worldwide

Name: Green building consultancies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 30,445 companies tracked

RevenueBase identified 30,445 company matches for green building consultancies worldwide as of September 2026 and tracks 391,200 professional contacts across them, including 147,398 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for green building consultancies 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 September 28, 2026. Country and city lists for green building consultancies 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 Sep 28, 2026 How this list was built

30,445Companies

391,200Contacts tracked

147,398Verified emails

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The 25 largest green building consultancies worldwide

Ranked by team size

Top 25 of 30,445 company matches for green building consultancies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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, NetherlandsHQ recorded Sep 28, 2026	10001+	33,846 contacts →
	Exact match “Arcadis is a leading global partner, delivering transformative projects with businesses, cities and industries.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Stantec	Exact match	Edmonton, AB, CanadaHQ recorded Sep 28, 2026	10001+	28,416 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 · Sep 28, 2026 · View company records in RevenueBase
3	WSP In The U.S	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	10001+	9,318 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 · Sep 28, 2026 · View company records in RevenueBase
4	ERM	Exact match	London, United KingdomHQ recorded Sep 28, 2026	5,001-10,000	9,119 contacts →
	Exact match “Sustainability is our business.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	SLR Consulting	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	3,848 contacts →
	Exact match “SLR is a committed partner in our clients’ sustainability journeys.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Drees & Sommer	Exact match	Stuttgart, GermanyHQ recorded Sep 28, 2026	5,001-10,000	3,475 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 · Sep 28, 2026 · View company records in RevenueBase
7	KEO International Consultants	Exact match	Safat, KuwaitHQ recorded Sep 28, 2026	1,001-5,000	3,038 contacts →
	Exact match “From shaping iconic skylines to crafting sustainable communities, KEO builds legacies for a better tomorrow.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Gleeds	Exact match	Americas, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,874 contacts →
	Exact match “We’re not just a construction consultancy, we're a catalyst for change.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	NIRAS	Exact match	Allerød, DenmarkHQ recorded Sep 28, 2026	1,001-5,000	2,699 contacts →
	Exact match “At NIRAS, we engineer solutions for a shared future.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Mckinstry	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,213 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 · Sep 28, 2026 · View company records in RevenueBase
11	IMEG	Exact match	Rock Island, IL, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,985 contacts →
	Exact match “Leaders in Engineering and Innovation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Swca Environmental Consultants	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,629 contacts →
	Exact match “Founded on a commitment to sound science and creative solutions, SWCA is a leader in environmental and management consulting services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Ridge And Partners LLP	Exact match	Woodstock, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	1,427 contacts →
	Exact match “Ridge is a built environment consultancy, helping clients turn complex briefs into buildings and infrastructure that perform in the real world.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Posco E&c	Exact match	United StatesHQ recorded Sep 28, 2026	5,001-10,000	1,345 contacts →
	Exact match “Construction & Engineering” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Fichtner	Exact match	Stuttgart, GermanyHQ recorded Sep 28, 2026	1,001-5,000	1,279 contacts →
	Exact match “As a leading, independent engineering and consultancy enterprise active in the sectors of energy and infrastructure, Fichtner handles challenging projects in countries all over…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Cundall	Exact match	Newcastle Upon Tyne, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	1,269 contacts →
	Exact match “We are a global, multi-disciplinary consultancy delivering sustainable engineering and design solutions across the built environment.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	DGE Danmark	Exact match	Højbjerg, DenmarkHQ recorded Sep 28, 2026	n/a	1,176 contacts →
	Exact match “Miljø er vores kernekompetence og vores ansvar.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	GK	Exact match	Oslo, NorwayHQ recorded Sep 28, 2026	1,001-5,000	1,150 contacts →
	Exact match “GK er en ledende teknisk entreprenør og servicepartner.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	OLA	Exact match	Austin, TX, United StatesHQ recorded Sep 28, 2026	n/a	1,145 contacts →
	Exact match “OLA Sustainability, LLC OLA Sustainability is a consulting firm that focuses on integrating sustainable practices into commercial and multifamily design projects.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Hoare LEA	Exact match	London, United KingdomHQ recorded Sep 28, 2026	501-1,000	1,103 contacts →
	Exact match “We are an award-winning engineering consultancy with a creative team of engineers, designers, and technical specialists.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	TSE	Exact match	São Paulo/sp, BrazilHQ recorded Sep 28, 2026	5,001-10,000	1,067 contacts →
	Exact match “Somos a TSE - Total Sustainable Engineering.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	BTP Consultants	Exact match	Montigny-le-bretonneux, FranceHQ recorded Sep 28, 2026	201-500	1,066 contacts →
	Exact match “BTP Consultants est un bureau de ̂, et présent à l'échelle nationale depuis plus de.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Granlund	Exact match	Helsinki, FinlandHQ recorded Sep 28, 2026	1,001-5,000	1,027 contacts →
	Exact match “Granlund on voimakkaasti kasvava kiinteistö- ja rakennusalan asiantuntijayhtiö.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Associated Engineering	Exact match	Edmonton, AB, CanadaHQ recorded Sep 28, 2026	501-1,000	1,021 contacts →
	Exact match “At Associated, we are passionate about building communities that are vibrant, healthy and resilient and support economic growth.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	IEA	Exact match	Brooklyn Park, MN, United StatesHQ recorded Sep 28, 2026	n/a	982 contacts →
	Exact match “The Institute for Environmental Assessment, Inc.(IEA) is small business committed to providing trusted environmental safety consulting services for private and public…” Recorded in the RevenueBase company graph · Sep 28, 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 building consultancies”. 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 30,445 green building consultancies worldwide

See the full list, filter by size, metro and specialty, and access 147,398 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Green building consultancies worldwide at a glance

As of Sep 28, 2026

37.7%Verified-email coverage

12.8Average contacts per company

1-10Median size (employees)

1.5%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

20,243

11-50

7,761

51-200

1,697

201-500

333

501-1,000

106

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 building consultancies are linked below.
What qualifies: Company records worldwide whose business descriptions match “green building consultancies” 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 147,398 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 28, 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 building consultancies by location

143 lists · largest first

Every Green building consultancies 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 building consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many green building consultancies are there worldwide?

RevenueBase identified 30,445 company matches for green building consultancies worldwide 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?

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

Which country has the most green building consultancies?

The United States leads with 3,087 companies, followed by the United Kingdom (2,064) and Brazil (1,940). Every green building consultancies list by country and city is linked on this page.

Which city has the most green building consultancies?

London leads with 466 company records, followed by Sao Paulo (279) and Paris (228).

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 147,398 professional contacts with verified work emails tracked across these 30,445 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 28, 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.