Company lists · Data refreshed October 2026

Top 25 Climate resilience consulting firms worldwide

Name: Climate resilience consulting firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 9,946 companies tracked

RevenueBase identified 9,946 company matches for climate resilience consulting firms worldwide as of October 2026 and tracks 309,623 professional contacts across them, including 133,636 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for climate resilience consulting 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 1, 2026. Country and city lists for climate resilience consulting 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 1, 2026 How this list was built

9,946Companies

309,623Contacts tracked

133,636Verified emails

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The 25 largest climate resilience consulting firms worldwide

Ranked by team size

Top 25 of 9,946 company matches for climate resilience consulting firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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	AECOM	Exact match	Dallas, TX, United StatesHQ recorded Oct 1, 2026	10001+	63,914 contacts →
	Exact match “AECOM is the global infrastructure leader, committed to delivering a better world.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	Arcadis	Exact match	Amsterdam, NetherlandsHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
3	Stantec	Exact match	Edmonton, AB, CanadaHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
4	Tetra Tech	Exact match	Pasadena, CA, United StatesHQ recorded Oct 1, 2026	10001+	12,999 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 · Oct 1, 2026 · View company records in RevenueBase
5	WSP In The U.S	Exact match	New York, NY, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
6	ERM	Exact match	London, United KingdomHQ recorded Oct 1, 2026	5,001-10,000	9,119 contacts →
	Exact match “Sustainability is our business.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Oliver Wyman	Exact match	New York, NY, United StatesHQ recorded Oct 1, 2026	5,001-10,000	8,230 contacts →
	Exact match “At Oliver Wyman, a Marsh business, we bring deep industry insight, bold innovation, and a collaborative approach that cuts through complexity to help organizations navigate their…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	SLR Consulting	Exact match	London, United KingdomHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
9	APTIM	Exact match	Baton Rouge, LA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	2,639 contacts →
	Exact match “APTIM enhances the quality of the environment, wellbeing of people, resilience of communities, and opportunity for employees to make a difference, not just a living.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Geosyntec Consultants	Exact match	Boca Raton, FL, United StatesHQ recorded Oct 1, 2026	1,001-5,000	2,393 contacts →
	Exact match “Geosyntec is a consulting and engineering firm that works with private and public sector clients to address new ventures and complex problems involving our environment, natural…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Baringa	Exact match	London, United KingdomHQ recorded Oct 1, 2026	1,001-5,000	2,179 contacts →
	Exact match “Baringa is a global consulting firm that helps leaders drive meaningful change and create value.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	Ricardo	Exact match	West Sussex, United KingdomHQ recorded Oct 1, 2026	1,001-5,000	2,104 contacts →
	Exact match “Ricardo, a member of @WSP, is a global engineering company, specialising in complex propulsion, driveline and energy systems, delivering high integrity solutions for customers…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Hazen And Sawyer	Exact match	New York, NY, United StatesHQ recorded Oct 1, 2026	1,001-5,000	2,100 contacts →
	Exact match “As Hazen marks 75 years, we celebrate a legacy of absolute commitment to our clients while delivering the best technical work available anywhere.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Jensen Hughes	Exact match	Columbia, MD, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,655 contacts →
	Exact match “Worldwide, we are most recognized for our leadership in fire protection engineering, a tradition of responsibility we have advanced with pride since 1939.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Swca Environmental Consultants	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
16	Exponent	Exact match	Menlo Park, CA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,560 contacts →
	Exact match “In an era of accelerating change, Exponent is the only premium engineering and scientific consulting firm with the depth and breadth of expertise to solve our clients’ most…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	DHI	Exact match	Hørsholm, DenmarkHQ recorded Oct 1, 2026	1,001-5,000	1,427 contacts →
	Exact match “There is no substitute for water.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Antea Group Nederland	Exact match	Heerenveen, NetherlandsHQ recorded Oct 1, 2026	1,001-5,000	1,397 contacts →
	Exact match “Antea Group is het thuis van 1800 trotse ingenieurs en adviseurs.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	Pennoni	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,264 contacts →
	Exact match “Since our founding more than five decades ago, our clients trust Pennoni’s commitment to elevating the impact of projects on our communities.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	Ardurra	Exact match	Miami, FL, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,260 contacts →
	Exact match “Expertly balancing experience and innovation to deliver unique solutions to public and private clients.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	IEM	Exact match	Morrisville, NC, United StatesHQ recorded Oct 1, 2026	501-1,000	1,175 contacts →
	Exact match “IEM is a professional services firm dedicated to building a safe, secure, and resilient world.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	OLA	Exact match	Austin, TX, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
23	Verdantas	Exact match	Tampa, FL, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,139 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 · Oct 1, 2026 · View company records in RevenueBase
24	Apex Companies	Exact match	Rockville, MD, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,137 contacts →
	Exact match “Who is Apex?” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	Haley & Aldrich	Exact match	Burlington, MA, United StatesHQ recorded Oct 1, 2026	501-1,000	1,124 contacts →
	Exact match “Haley & Aldrich is committed to solving our clients’ most meaningful challenges in the built and natural environments.” Recorded in the RevenueBase company graph · Oct 1, 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 “climate resilience consulting 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 9,946 climate resilience consulting firms worldwide

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Climate resilience consulting firms worldwide at a glance

As of Oct 1, 2026

43.2%Verified-email coverage

31.1Average contacts per company

1-10Median size (employees)

2.5%Largest-city concentration · London

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

7,017

11-50

2,207

51-200

493

201-500

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 climate resilience consulting firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “climate resilience consulting 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 133,636 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 1, 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.

Climate resilience consulting firms by location

76 lists · largest first

Every Climate resilience consulting 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 “climate resilience consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many climate resilience consulting firms are there worldwide?

RevenueBase identified 9,946 company matches for climate resilience consulting 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?

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

Which country has the most climate resilience consulting firms?

The United States leads with 1,962 companies, followed by the United Kingdom (756) and France (681). Every climate resilience consulting firms list by country and city is linked on this page.

Which city has the most climate resilience consulting firms?

London leads with 253 company records, followed by Paris (138) and New York (97).

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 133,636 professional contacts with verified work emails tracked across these 9,946 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 1, 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.