Company lists · Data refreshed November 2026

Top 25 IT sustainability auditing firms worldwide

RevenueBase identified 1,986 company matches for IT sustainability auditing firms worldwide as of November 2026 and tracks 18,745 professional contacts across them, including 6,031 with verified work emails. India is the largest market and London the largest hub.

This list covers company matches for IT sustainability auditing 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 November 6, 2026. Country and city lists for IT sustainability auditing 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 Nov 6, 2026 How this list was built
1,986Companies
18,745Contacts tracked
6,031Verified emails
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The 25 largest IT sustainability auditing firms worldwide

Ranked by team size
Top 25 of 1,986 company matches for IT sustainability auditing firms 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchParis, JapanHQ recorded Nov 6, 20261,001-5,0001,842 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchOslo, NorwayHQ recorded Nov 6, 20261,001-5,0001,402 contacts →

Exact match

“KPMG er mest kjent som revisorer, forretningskonsulenter og advokater, men vi er også mye mer.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchBrazilHQ recorded Nov 6, 2026501-1,000342 contacts →

Exact match

“Desde 1997 no Brasil, somos membros da Moore Global, uma das principais redes de Auditoria, Consultoria, Outsourcing e Tributos presente em mais de 114 países e entre as maiores…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLausanne, SwitzerlandHQ recorded Nov 6, 2026201-500311 contacts →

Exact match

“Quantis, part of BCG, is a sustainability consulting firm that helps organizations translate sustainability ambition into measurable business value.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchJoinville, United StatesHQ recorded Nov 6, 2026201-500282 contacts →

Exact match

“Fundada em 1973, a MARTINELLI consolidou posição como referência em auditoria e consultoria para empresas de todos os portes e segmentos do mercado nacional.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMilan, ItalyHQ recorded Nov 6, 2026201-500263 contacts →

Exact match

“Fondata nel 1983 come Società indipendente di revisione e organizzazione contabile, e associata al network Nexia dal 2005, oggi Audirevi affianca le imprese con servizi di Audit &…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500201 contacts →

Exact match

“ESG Book and EthiFinance have merged!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchParis, FranceHQ recorded Nov 6, 202651-200196 contacts →

Exact match

“Sweep is the enterprise sustainability data management platform trusted by the world’s leading companies and financial institutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact match千代田区, JapanHQ recorded Nov 6, 20265,001-10,000196 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchNantes, FranceHQ recorded Nov 6, 202651-200176 contacts →

Exact match

“Established in 2015, EVEA is a consulting firm, a software tools publisher, and a training organization.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchIndianapolis, NY, United StatesHQ recorded Nov 6, 202651-200172 contacts →

Exact match

“Founded in 1988, KERAMIDA is a multidisciplinary Sustainability, EHS & Engineering consulting firm grounded in evidence-based research and development.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMontreal, QC, CanadaHQ recorded Nov 6, 202651-200166 contacts →

Exact match

“Novisto is the sustainability data management and reporting software of choice for global enterprises.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchGurgaon, IndiaHQ recorded Nov 6, 202651-200143 contacts →

Exact match

“Earthood is a pioneering force in the carbon offset verification industry with a reputation as an internationally acclaimed auditing & certification firm, providing strategic…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchNoida, IndiaHQ recorded Nov 6, 202651-200136 contacts →

Exact match

“GreenTree Global is one of the leading Sustainability Consulting organisations providing Energy Efficiency & Climate Change Services like Integrated Sustainability Services…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchJaipur, IndiaHQ recorded Nov 6, 2026501-1,000135 contacts →

Exact match

“Greenfinch Real Estate Engineers and Consultants Pvt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchKalmar, SwedenHQ recorded Nov 6, 202611-50132 contacts →

Exact match

“DGE i Sverige grundades 2004 med tydligt fokus på miljöfrågor, kundrelationer och medarbetare.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchIrvine, ON, United StatesHQ recorded Nov 6, 202651-200127 contacts →

Exact match

“With more than 37 years of experience, FirstCarbon Solutions (FCS), is a leading provider of environmental, sustainability, and compliance solutions, delivering fully-integrated…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchFaridabad, IndiaHQ recorded Nov 6, 202651-200116 contacts →

Exact match

“KBS Certification is a pioneer and global leader in Climate Change and Sustainability Services, supporting organizations worldwide in achieving compliance, credibility, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchStuttgart, GermanyHQ recorded Nov 6, 2026201-500112 contacts →

Exact match

“Die PKF Wulf Gruppe ist eine der führenden mittelständischen Prüfungs- und Beratungsgesellschaften.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchParis, FranceHQ recorded Nov 6, 202651-200108 contacts →

Exact match

“Normec Verifavia is a global leader in environmental validation, verification, and auditing within the transport and industrial sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200106 contacts →

Exact match

“ERM CVS provides science-based, independent assurance, verification certification and training services for the world’s leading organizations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchPune, IndiaHQ recorded Nov 6, 202651-20088 contacts →

Exact match

“Techknowgreen Solutions Limited is a leading environmental consulting firm in India with 24+ years of expertise in regulatory compliance, cutting-edge technology, and IT solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchGreifenberg, GermanyHQ recorded Nov 6, 202611-5086 contacts →

Exact match

“Seit unterstützt die DFGE Unternehmen dabei, Nachhaltigkeit messbar und strategisch nutzbar zu machen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchTiverton, United KingdomHQ recorded Nov 6, 202651-20084 contacts →

Exact match

“AES Sustainability Consultants is a leading technical consultancy that delivers value engineered solutions across the homebuilding and construction industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchGateshead, United KingdomHQ recorded Nov 6, 202651-20078 contacts →

Exact match

“We enable businesses to succeed in the environmental components of their ESG strategies through comprehensive net zero consulting services and ground-breaking carbon and energy…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,986 IT sustainability auditing firms worldwide

See the full list, filter by size, metro and specialty, and access 6,031 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT sustainability auditing firms worldwide at a glance

As of Nov 6, 2026
32.2%Verified-email coverage
9.4Average contacts per company
1-10Median size (employees)
2.6%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,333
11-50
507
51-200
103
201-500
19
501-1,000
4
1,001-5,000
4
5,001-10,000
3
10001+
1

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 IT sustainability auditing firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “IT sustainability auditing 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 6,031 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.

IT sustainability auditing firms by location

15 lists · largest first

Every IT sustainability auditing 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 “IT sustainability auditing firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT sustainability auditing firms are there worldwide?

RevenueBase identified 1,986 company matches for IT sustainability auditing firms 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?

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

Which country has the most IT sustainability auditing firms?

India leads with 182 companies, followed by the United States (179) and Brazil (122). Every IT sustainability auditing firms list by country and city is linked on this page.

Which city has the most IT sustainability auditing firms?

London leads with 51 company records, followed by Sao Paulo (29) and Paris (25).

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 6,031 professional contacts with verified work emails tracked across these 1,986 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.