Company lists · Data refreshed November 2026

Top 25 Ecological design consultants worldwide

Name: Ecological design consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 15,897 companies tracked

RevenueBase identified 15,897 company matches for ecological design consultants worldwide as of November 2026 and tracks 258,788 professional contacts across them, including 107,916 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for ecological design consultants 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 November 6, 2026. Country and city lists for ecological design consultants 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 Nov 6, 2026 How this list was built

15,897Companies

258,788Contacts tracked

107,916Verified emails

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The 25 largest ecological design consultants worldwide

Ranked by team size

Top 25 of 15,897 company matches for ecological design consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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	Stantec	Exact match	Edmonton, AB, CanadaHQ recorded Nov 6, 2026	10001+	30,633 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 · Nov 6, 2026 · View company records in RevenueBase
2	SWECO	Exact match	Stockholm, SwedenHQ recorded Nov 6, 2026	10001+	19,587 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 · Nov 6, 2026 · View company records in RevenueBase
3	Tetra Tech	Exact match	Pasadena, CA, United StatesHQ recorded Nov 6, 2026	10001+	14,232 contacts →
	Exact match “Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end technical and engineering services for projects worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	WSP In The U.S	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	10001+	10,188 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 · Nov 6, 2026 · View company records in RevenueBase
5	DLR Group	Exact match	30 Offices, TN, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,118 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 · Nov 6, 2026 · View company records in RevenueBase
6	Swca Environmental Consultants	Exact match	Phoenix, MA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,695 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 · Nov 6, 2026 · View company records in RevenueBase
7	Verdantas	Exact match	Tampa, FL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,275 contacts →
	Exact match “At Verdantas, we blend engineering and environmental science together with advanced technology and world-renowned labs to create solutions with the big picture in mind.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	OLA	Exact match	Austin, TX, United StatesHQ recorded Nov 6, 2026	n/a	1,164 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 · Nov 6, 2026 · View company records in RevenueBase
9	WSB	Exact match	Minneapolis, MN, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,159 contacts →
	Exact match “Forge ahead.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Braun Intertec Corporation	Exact match	Minneapolis, MN, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,149 contacts →
	Exact match “At Braun Intertec, we work at the intersection of the natural and built environments, combining science, technology, and engineering.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	URBIS	Exact match	Melbourne, AustraliaHQ recorded Nov 6, 2026	501-1,000	1,144 contacts →
	Exact match “Urbis is more than just a consultancy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Trinity Consultants	Exact match	Dallas, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,114 contacts →
	Exact match “Trinity Consultants is a global team of specialists helping organizations solve complex challenges in environmental compliance, ecological protection, infrastructure and built…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Associated Engineering	Exact match	Edmonton, MB, CanadaHQ recorded Nov 6, 2026	501-1,000	1,084 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 · Nov 6, 2026 · View company records in RevenueBase
14	Dialog	Exact match	Calgary, CA, CanadaHQ recorded Nov 6, 2026	501-1,000	1,084 contacts →
	Exact match “Hello.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	TSE	Exact match	São Paulo/sp, BrazilHQ recorded Nov 6, 2026	5,001-10,000	1,084 contacts →
	Exact match “Somos a TSE - Total Sustainable Engineering.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Parametrix	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	501-1,000	923 contacts →
	Exact match “At Parametrix, we help our clients imagine what's possible.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	ATC Group Services LLC	Exact match	Lafayette, MA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	876 contacts →
	Exact match “ATC Group Services LLC is now Atlas.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Urban Systems LTD	Exact match	Kamloops, BC, CanadaHQ recorded Nov 6, 2026	201-500	835 contacts →
	Exact match “Together, we are building vibrant communities UrbanSystems® is the collective passion of great people.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	DUDEK	Exact match	Encinitas, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	829 contacts →
	Exact match “Dudek is an environmental, planning, and engineering consulting firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Psomas	Exact match	Los Angeles, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	786 contacts →
	Exact match “Our award-winning projects are produced through innovation, creativity, and technical expertise.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Environmental Science Associates	Exact match	San Francisco, OR, United StatesHQ recorded Nov 6, 2026	501-1,000	748 contacts →
	Exact match “ESA is a 100% employee-owned environmental consulting firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Resource Environmental Solutions LLC	Exact match	Bellaire, NC, United StatesHQ recorded Nov 6, 2026	501-1,000	695 contacts →
	Exact match “As the nation’s largest dedicated provider of nature-based solutions, RES (Resource Environmental Solutions) is restoring a resilient earth for a modern world, project by project.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	H2m Architects Engineers	Exact match	Melville, CT, United StatesHQ recorded Nov 6, 2026	501-1,000	692 contacts →
	Exact match “About H2M H2M architects + engineers is a multi-disciplinary professional consulting and design firm, proud of its long history of client service and consistent ability to meet…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Tighe & Bond	Exact match	Westfield, MA, United StatesHQ recorded Nov 6, 2026	501-1,000	685 contacts →
	Exact match “Tighe & Bond is the Northeast’s leading engineering, environmental, planning, and design consulting firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Parkhill	Exact match	Lubbock, OK, United StatesHQ recorded Nov 6, 2026	501-1,000	665 contacts →
	Exact match “We are a full-service design firm of extraordinary planners, designers, architects, and engineers.” Recorded in the RevenueBase company graph · Nov 6, 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 “ecological design consultants”. 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 15,897 ecological design consultants worldwide

See the full list, filter by size, metro and specialty, and access 107,916 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Ecological design consultants worldwide at a glance

As of Nov 6, 2026

41.7%Verified-email coverage

16.3Average contacts per company

1-10Median size (employees)

1.1%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

10,700

11-50

3,993

51-200

795

201-500

174

501-1,000

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 ecological design consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “ecological design consultants” 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 107,916 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 November 6, 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.

Ecological design consultants by location

94 lists · largest first

Every Ecological design consultants 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 “ecological design consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many ecological design consultants are there worldwide?

RevenueBase identified 15,897 company matches for ecological design consultants worldwide as of November 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?

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

Which country has the most ecological design consultants?

The United States leads with 3,581 companies, followed by Brazil (983) and France (870). Every ecological design consultants list by country and city is linked on this page.

Which city has the most ecological design consultants?

London leads with 174 company records, followed by Sao Paulo (136) and New York (123).

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 107,916 professional contacts with verified work emails tracked across these 15,897 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 November 6, 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.