Company lists · Data refreshed September 2026

Top 25 Sustainable development firms worldwide

Name: Sustainable development firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 22, 2026 26,262 companies tracked

RevenueBase identified 26,262 company matches for sustainable development firms worldwide as of September 2026 and tracks 326,748 professional contacts across them, including 89,778 with verified work emails. Brazil is the largest market and London the largest hub.

This list covers company matches for sustainable development 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 September 22, 2026. Country and city lists for sustainable development 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 Sep 22, 2026 How this list was built

26,262Companies

326,748Contacts tracked

89,778Verified emails

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The 25 largest sustainable development firms worldwide

Ranked by team size

Top 25 of 26,262 company matches for sustainable development firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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	Worley	Exact match	Sydney, AustraliaHQ recorded Sep 22, 2026	10001+	34,763 contacts →
	Exact match “Worley is a global professional services company of energy, chemicals and resources experts headquartered in Australia.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2	Acciona	Exact match	Madrid, SpainHQ recorded Sep 22, 2026	10001+	27,028 contacts →
	Exact match “ACCIONA champions a different way of doing business: Business as Unusual, delivering benefits far beyond the corporate realm.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3	ERM	Exact match	London, United KingdomHQ recorded Sep 22, 2026	5,001-10,000	9,119 contacts →
	Exact match “Sustainability is our business.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4	Chemonics International	Exact match	Washington, DC, United StatesHQ recorded Sep 22, 2026	1,001-5,000	4,410 contacts →
	Exact match “In a world where conditions are changing faster, resources are tighter, and the path to results is increasingly complex, delivery matters more than ever.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5	SLR Consulting	Exact match	London, United KingdomHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
6	WSP I Sverige	Exact match	Stockholm-marievik, SwedenHQ recorded Sep 22, 2026	10001+	2,607 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 22, 2026 · View company records in RevenueBase
7	Swca Environmental Consultants	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
8	Vulcain Engineering Group	Exact match	Neuilly-sur-seine, FranceHQ recorded Sep 22, 2026	5,001-10,000	1,496 contacts →
	Exact match “Vulcain Engineering Group is a multi-specialist engineering and consulting group serving industrial companies across the globe, focused on critical sectors: energy, health…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9	HMV Ingenieros	Exact match	Medellín, ColombiaHQ recorded Sep 22, 2026	1,001-5,000	1,455 contacts →
	Exact match “Somos una empresa de soluciones de ingeniería y tecnología que brinda servicios de consultoría, interventoría o supervisión y gerencia de proyectos para múltiples sectores.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10	GFA Consulting Group Gmbh	Exact match	Hamburg, GermanyHQ recorded Sep 22, 2026	1,001-5,000	1,382 contacts →
	Exact match “GFA Consulting Group is one of Europe's leading consulting firms in the field of international development cooperation.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11	Posco E&c	Exact match	United StatesHQ recorded Sep 22, 2026	5,001-10,000	1,345 contacts →
	Exact match “Construction & Engineering” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12	IPE Global Limited	Exact match	New Delhi, IndiaHQ recorded Sep 22, 2026	501-1,000	1,322 contacts →
	Exact match “Headquartered in India with six international offices in Cambodia, Ethiopia, Kenya, the Philippines, Germany and the United Kingdom, IPE Global Group offers a range of integrated…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13	Fichtner	Exact match	Stuttgart, GermanyHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
14	OLA	Exact match	Austin, TX, United StatesHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
15	Lycopodium	Exact match	Perth, AustraliaHQ recorded Sep 22, 2026	1,001-5,000	1,143 contacts →
	Exact match “Lycopodium is an Australian headquartered engineering and project management consultancy which provides a complete range of services for the evaluation, development…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16	TSE	Exact match	São Paulo/sp, BrazilHQ recorded Sep 22, 2026	5,001-10,000	1,067 contacts →
	Exact match “Somos a TSE - Total Sustainable Engineering.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17	Associated Engineering	Exact match	Edmonton, AB, CanadaHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
18	Penspen	Exact match	London, United KingdomHQ recorded Sep 22, 2026	1,001-5,000	1,007 contacts →
	Exact match “Penspen designs, maintains, and optimises energy infrastructure to improve access to secure and sustainable energy for communities worldwide.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19	Pares&alvarez	Exact match	Santiago, ChileHQ recorded Sep 22, 2026	501-1,000	807 contacts →
	Exact match “We are Pares & Alvarez, our extensive experience and the recognition of our clients makes us one of the leading Engineering Companies in environmental, consulting, engineering and…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20	Tauw Nederland	Exact match	Deventer, NetherlandsHQ recorded Sep 22, 2026	1,001-5,000	800 contacts →
	Exact match “TAUW is een Europees advies- en ingenieursbureau.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21	Telsan Engenharia E Serviços S A	Exact match	Belo Horizonte, BrazilHQ recorded Sep 22, 2026	1,001-5,000	765 contacts →
	Exact match “Em 26 de julho de 1995 foi criada a Telsan, uma empresa de engenharia consultiva que tem o orgulho de ter como missão principal a prestação de serviços diferenciados, visando à…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22	Mars Planning & Engineering Services Private Limited	Exact match	Ahmedabad, IndiaHQ recorded Sep 22, 2026	1,001-5,000	712 contacts →
	Exact match “In the wake of the devastation caused by the earthquake in Gujarat in 2001, MaRS was established with the objective to provide assistance and aid to the local & state governing…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23	Inerco	Exact match	Sevilla, SpainHQ recorded Sep 22, 2026	1,001-5,000	688 contacts →
	Exact match “INERCO, with 30 years of experience, offers comprehensive services and develops advanced technologies that contribute to sustainable industrial development, acting as a leader in…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24	Schwager	Exact match	Santiago, ChileHQ recorded Sep 22, 2026	501-1,000	671 contacts →
	Exact match “Misión En todas sus áreas de negocios, SCHWAGER proveerá servicios y bienes de excelencia, ofreciendo, confianza y credibilidad a nuestros clientes, colaboradores y accionistas…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25	Ricardo PLC	Exact match	London, United KingdomHQ recorded Sep 22, 2026	1,001-5,000	670 contacts →
	Exact match “Click the 'Follow' button and explore careers at Ricardo on our 'Jobs' and 'Life' tabs and at careers.ricardo.com.” Recorded in the RevenueBase company graph · Sep 22, 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 “sustainable development 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 26,262 sustainable development firms worldwide

See the full list, filter by size, metro and specialty, and access 89,778 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Sustainable development firms worldwide at a glance

As of Sep 22, 2026

27.5%Verified-email coverage

12.4Average contacts per company

1-10Median size (employees)

1.6%Largest-city concentration · London

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

17,325

11-50

6,762

51-200

1,502

201-500

354

501-1,000

114

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 sustainable development firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “sustainable development 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 89,778 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 22, 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.

Sustainable development firms by location

117 lists · largest first

Every Sustainable development 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 “sustainable development firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sustainable development firms are there worldwide?

RevenueBase identified 26,262 company matches for sustainable development firms 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?

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

Which country has the most sustainable development firms?

Brazil leads with 2,357 companies, followed by the United States (1,649) and France (1,369). Every sustainable development firms list by country and city is linked on this page.

Which city has the most sustainable development firms?

London leads with 409 company records, followed by Sao Paulo (360) and Paris (270).

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 89,778 professional contacts with verified work emails tracked across these 26,262 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 22, 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.