Company lists · Data refreshed November 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 Nov 5, 2026 19,337 companies tracked

RevenueBase identified 19,337 company matches for enterprise IT sustainability services providers worldwide as of November 2026 and tracks 221,640 professional contacts across them, including 67,960 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 November 5, 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 Nov 5, 2026 How this list was built

19,337Companies

221,640Contacts tracked

67,960Verified emails

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The 25 largest enterprise IT sustainability services providers worldwide

Ranked by team size

Top 25 of 19,337 company matches for enterprise IT sustainability services providers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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	ERM	Exact match	London, United KingdomHQ recorded Nov 5, 2026	5,001-10,000	9,761 contacts →
	Exact match “Sustainability is our business.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	SLR Consulting	Exact match	London, United KingdomHQ recorded Nov 5, 2026	1,001-5,000	4,208 contacts →
	Exact match “SLR is a committed partner in our clients’ sustainability journeys.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3	Atos IT Solutions And Services A S	Exact match	Taastrup, DenmarkHQ recorded Nov 5, 2026	n/a	3,713 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 · Nov 5, 2026 · View company records in RevenueBase
4	Urbaser	Exact match	Madrid, SpainHQ recorded Nov 5, 2026	10001+	3,713 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 · Nov 5, 2026 · View company records in RevenueBase
5	Ambipar	Exact match	Sao Paulo, BrazilHQ recorded Nov 5, 2026	10001+	2,883 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 · Nov 5, 2026 · View company records in RevenueBase
6	Dominion Global	Exact match	Bilbao-bilbo, SpainHQ recorded Nov 5, 2026	10001+	2,437 contacts →
	Exact match “We provide sustainable services and 360 projects.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	Clearesult	Exact match	Austin, TX, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,264 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 · Nov 5, 2026 · View company records in RevenueBase
8	TRT	Exact match	Singapore, GermanyHQ recorded Nov 5, 2026	n/a	2,153 contacts →
	Exact match “TRT is a Global Provider of IT Server, Storage and Networking Services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	Ecovadis	Exact match	Paris, JapanHQ recorded Nov 5, 2026	1,001-5,000	1,842 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	Swca Environmental Consultants	Exact match	Phoenix, MA, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
11	Adec Innovations	Exact match	Irvine, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,567 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 · Nov 5, 2026 · View company records in RevenueBase
12	Sphera	Exact match	Chicago, IL, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,410 contacts →
	Exact match “Sphera helps companies understand and manage risk across their operations, products and supply chains by bringing safety, sustainability and performance data into one clear…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	Onitio	Exact match	Oslo, NorwayHQ recorded Nov 5, 2026	1,001-5,000	1,187 contacts →
	Exact match “Onitio is an IT service and infrastructure provider working across the Nordic region.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	ACP Gruppe	Exact match	Wien Und München, AustriaHQ recorded Nov 5, 2026	1,001-5,000	1,149 contacts →
	Exact match “ACP bietet herstellerunabhängig Consulting, Beschaffung und Integration, Managed Services, Datacenter Services sowie IT-Finanzierung für das gesamte IT-Sortiment und betreut…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	Triumvirate Environmental	Exact match	Somerville, MD, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,145 contacts →
	Exact match “Triumvirate Environmental provides sustainable environmental solutions to leading companies in the Life Sciences, Healthcare, Education, and Advanced Manufacturing markets.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	TSE	Exact match	São Paulo/sp, BrazilHQ recorded Nov 5, 2026	5,001-10,000	1,084 contacts →
	Exact match “Somos a TSE - Total Sustainable Engineering.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	Franklin Energy	Exact match	Port Washington, WI, United StatesHQ recorded Nov 5, 2026	1,001-5,000	899 contacts →
	Exact match “Franklin Energy delivers end-to-end sustainability solutions through a portfolio of intelligent products and services that lower energy costs, reduce carbon and waste, and grow…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	Kaizen IT Services Pvt. LTD	Exact match	Kolkata, IndiaHQ recorded Nov 5, 2026	501-1,000	885 contacts →
	Exact match “Kaizen is a premier IT Services company headquartered in Kolkata and having its presence in Pan India with 750 Plus Touch Points.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	Frontier Business Systems Pvt. LTD	Exact match	Bangalore, IndiaHQ recorded Nov 5, 2026	1,001-5,000	864 contacts →
	Exact match “One of India's leading IT players, Frontier is an ISO 27001:2013 certified Company & operates from a USGBC LEED GOLD certified Green building in the heart of Bangalore.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	Uniqus Consultech INC	Exact match	San Jose, CA, United StatesHQ recorded Nov 5, 2026	501-1,000	813 contacts →
	Exact match “Uniqus Consultech is an AI and global tech-enabled consulting company that specializes in Accounting & Reporting Consulting, Governance, Risk & Compliance, Sustainability &…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	G-Able Group	Exact match	Bangkok, ThailandHQ recorded Nov 5, 2026	1,001-5,000	752 contacts →
	Exact match “We help organizations across industries create the innovations that matter with our IT and Digital expertise.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Decisionone	Exact match	Havertown, PA, United StatesHQ recorded Nov 5, 2026	501-1,000	691 contacts →
	Exact match “DecisionOne is the largest global independent technology support organization in the TPM and ISO markets.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	Antea Group USA	Exact match	St. Paul, MD, United StatesHQ recorded Nov 5, 2026	1,001-5,000	649 contacts →
	Exact match “Antea Group is an international engineering and environmental consulting firm specializing in full-service solutions in the fields of environment, health and safety, and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	Ecoonline	Exact match	London, United KingdomHQ recorded Nov 5, 2026	501-1,000	639 contacts →
	Exact match “EcoOnline delivers uncomplicated environment, health and safety (EHS), chemical management and ESG/sustainability technology solutions to forward-thinking leaders.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Engie Digital & IT	Exact match	Courbevoie, FranceHQ recorded Nov 5, 2026	501-1,000	593 contacts →
	Exact match “ENGIE IT brings the best IT solutions to all Business Units of the ENGIE Group and helps them to address all today and tomorrow’s energy challenges.” Recorded in the RevenueBase company graph · Nov 5, 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 19,337 enterprise IT sustainability services providers worldwide

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Enterprise IT sustainability services providers worldwide at a glance

As of Nov 5, 2026

30.7%Verified-email coverage

11.5Average contacts per company

1-10Median size (employees)

2.4%Largest-city concentration · London

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

12,890

11-50

4,753

51-200

1,116

201-500

257

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 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 67,960 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 November 5, 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

158 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 19,337 company matches for enterprise IT sustainability services providers 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?

ERM 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 1,719 companies, followed by Brazil (1,543) and India (1,390). 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 455 company records, followed by Sao Paulo (295) and Paris (238).

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 67,960 professional contacts with verified work emails tracked across these 19,337 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 5, 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.