Company lists · Data refreshed October 2026

Top 25 Enterprise IT sustainability services providers worldwide

Name: Enterprise IT sustainability services providers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 19, 2026 27,263 companies tracked

RevenueBase identified 27,263 company matches for enterprise IT sustainability services providers worldwide as of October 2026 and tracks 382,286 professional contacts across them, including 128,960 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for enterprise IT sustainability services providers 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 19, 2026. Country and city lists for enterprise IT sustainability services providers 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 19, 2026 How this list was built

27,263Companies

382,286Contacts tracked

128,960Verified emails

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The 25 largest enterprise IT sustainability services providers worldwide

Ranked by team size

Top 25 of 27,263 company matches for enterprise IT sustainability services providers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 19, 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 Oct 19, 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 19, 2026 · View company records in RevenueBase
2	Engie Solutions France	Exact match	La Garenne-colombes, FranceHQ recorded Oct 19, 2026	10001+	11,566 contacts →
	Exact match “Les activités Infrastructures Energétiques Locales d’ENGIE accompagnent les collectivités, les industries et le secteur du bâtiment sur la voie de la décarbonation.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
3	ERM	Exact match	London, United KingdomHQ recorded Oct 19, 2026	5,001-10,000	9,532 contacts →
	Exact match “Sustainability is our business.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
4	Dalkia	Exact match	Saint-andré-lez-lille, FranceHQ recorded Oct 19, 2026	10001+	8,823 contacts →
	Exact match “Dalkia : ensemble, relevons le défi climatique!” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
5	Wavestone	Exact match	100-101 Terrasse Boieldieu, FranceHQ recorded Oct 19, 2026	1,001-5,000	6,369 contacts →
	Exact match “Wavestone is a leading consulting firm operating at the intersection of business and technology.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
6	Roland Berger	Exact match	Munich, GermanyHQ recorded Oct 19, 2026	1,001-5,000	4,936 contacts →
	Exact match “Roland Berger is the only leading global strategy consultancy of European origin.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
7	SLR Consulting	Exact match	London, United KingdomHQ recorded Oct 19, 2026	1,001-5,000	4,083 contacts →
	Exact match “SLR is a committed partner in our clients’ sustainability journeys.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
8	Atos IT Solutions And Services A S	Exact match	Taastrup, DenmarkHQ recorded Oct 19, 2026	n/a	3,652 contacts →
	Exact match “Atos er en international IT-serviceleverandør med en årlig omsætning i 2012 på 8.8 milliarder EUR og 76.400 medarbejdere i 47 lande.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
9	Urbaser	Exact match	Madrid, SpainHQ recorded Oct 19, 2026	10001+	3,564 contacts →
	Exact match “Urbaser es uno de los líderes mundiales en gestión medioambiental, una compañía global orientada a la sostenibilidad, que da servicio a más de 50 millones de personas en 20 países…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
10	Ambipar	Exact match	Sao Paulo, BrazilHQ recorded Oct 19, 2026	10001+	2,782 contacts →
	Exact match “Our mission is to promote ecological transformation by investing in decarbonization projects, circular economy, energy transition, and environmental regeneration.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
11	WSP I Sverige	Exact match	Stockholm-marievik, SwedenHQ recorded Oct 19, 2026	10001+	2,699 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 19, 2026 · View company records in RevenueBase
12	APTIM	Exact match	Baton Rouge, LA, United StatesHQ recorded Oct 19, 2026	1,001-5,000	2,692 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 19, 2026 · View company records in RevenueBase
13	Equans Nederland	Exact match	Bunnik, NetherlandsHQ recorded Oct 19, 2026	5,001-10,000	2,429 contacts →
	Exact match “Bij Equans combineren we technische expertise met digitale innovatie voor klanten in de industrie, utiliteit en infrastructuur.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
14	Dominion Global	Exact match	Bilbao-bilbo, SpainHQ recorded Oct 19, 2026	10001+	2,338 contacts →
	Exact match “We provide sustainable services and 360 projects.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
15	Mckinstry	Exact match	Seattle, WA, United StatesHQ recorded Oct 19, 2026	1,001-5,000	2,293 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 · Oct 19, 2026 · View company records in RevenueBase
16	Baringa	Exact match	London, United KingdomHQ recorded Oct 19, 2026	1,001-5,000	2,263 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 19, 2026 · View company records in RevenueBase
17	Clearesult	Exact match	Austin, TX, United StatesHQ recorded Oct 19, 2026	1,001-5,000	2,206 contacts →
	Exact match “CLEAResult is the largest provider of energy efficiency, energy transition and energy sustainability services in North America.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
18	TRT	Exact match	Singapore, GermanyHQ recorded Oct 19, 2026	n/a	2,132 contacts →
	Exact match “TRT is a Global Provider of IT Server, Storage and Networking Services.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
19	BBA Consultants	Exact match	Mont-saint-hilaire, QC, CanadaHQ recorded Oct 19, 2026	1,001-5,000	1,925 contacts →
	Exact match “We help companies with their challenges and transformation by relying on our sharp business acumen, extensive practical experience and vast technological curiosity.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
20	Ricardo	Exact match	West Sussex, United KingdomHQ recorded Oct 19, 2026	1,001-5,000	1,896 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 19, 2026 · View company records in RevenueBase
21	Ecovadis	Exact match	Paris, JapanHQ recorded Oct 19, 2026	1,001-5,000	1,820 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
22	Swca Environmental Consultants	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 19, 2026	1,001-5,000	1,661 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 19, 2026 · View company records in RevenueBase
23	Vulcain Engineering Group	Exact match	Neuilly-sur-seine, FranceHQ recorded Oct 19, 2026	5,001-10,000	1,643 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 · Oct 19, 2026 · View company records in RevenueBase
24	Ameresco	Exact match	Framingham, MA, United StatesHQ recorded Oct 19, 2026	1,001-5,000	1,513 contacts →
	Exact match “Ameresco, Inc.(NYSE:AMRC) is a leading energy infrastructure solutions provider dedicated to helping customers reduce costs, enhance resilience, and decarbonize to net zero in the…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
25	Adec Innovations	Exact match	Irvine, CA, United StatesHQ recorded Oct 19, 2026	1,001-5,000	1,508 contacts →
	Exact match “ADEC Innovations seamlessly delivers fully integrated, cost-effective industry expertise, business process & data management, and software services.” Recorded in the RevenueBase company graph · Oct 19, 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 “enterprise IT sustainability services providers”. 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 27,263 enterprise IT sustainability services providers worldwide

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Enterprise IT sustainability services providers worldwide at a glance

As of Oct 19, 2026

33.7%Verified-email coverage

14.0Average contacts per company

1-10Median size (employees)

2.0%Largest-city concentration · London

Oct 19, 2026Page data refreshed

Companies by employee count

1-10

18,089

11-50

6,893

51-200

1,576

201-500

346

501-1,000

121

1,001-5,000

134

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 enterprise IT sustainability services providers are linked below.
What qualifies: Company records worldwide whose business descriptions match “enterprise IT sustainability services providers” 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 128,960 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 19, 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.

Enterprise IT sustainability services providers by location

155 lists · largest first

Every Enterprise IT sustainability services providers 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 “enterprise IT sustainability services providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many enterprise IT sustainability services providers are there worldwide?

RevenueBase identified 27,263 company matches for enterprise IT sustainability services providers 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?

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

Which country has the most enterprise IT sustainability services providers?

The United States leads with 2,535 companies, followed by Brazil (2,030) and the United Kingdom (1,678). Every enterprise IT sustainability services providers list by country and city is linked on this page.

Which city has the most enterprise IT sustainability services providers?

London leads with 547 company records, followed by Sao Paulo (387) and Paris (359).

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 128,960 professional contacts with verified work emails tracked across these 27,263 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 19, 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.