Company lists · Data refreshed November 2026

Top 25 Data center sustainability consultants worldwide

RevenueBase identified 3,702 company matches for data center sustainability consultants worldwide as of November 2026 and tracks 57,323 professional contacts across them, including 20,713 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for data center sustainability consultants 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 data center sustainability consultants 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
3,702Companies
57,323Contacts tracked
20,713Verified emails
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The 25 largest data center sustainability consultants worldwide

Ranked by team size
Top 25 of 3,702 company matches for data center sustainability consultants 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 matchLondon, United KingdomHQ recorded Nov 6, 20265,001-10,0009,761 contacts →

Exact match

“Sustainability is our business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLas Vegas, TX, United StatesHQ recorded Nov 6, 20261,001-5,0001,261 contacts →

Exact match

“Switch was founded in by CEO Rob Roy and stands at the forefront as the premier data center designer, builder and operator, owning 100% of its land and facilities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchAustin, TX, United StatesHQ recorded Nov 6, 2026n/a1,164 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 · Nov 6, 2026 · View company records in RevenueBase
4Exact matchFranklin, WI, United StatesHQ recorded Nov 6, 20261,001-5,0001,093 contacts →

Exact match

“We provide high-end technical and professional services for the entire lifecycle of data centers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSao Paulo, BrazilHQ recorded Nov 6, 20261,001-5,0001,043 contacts →

Exact match

“Scala Data Centers is the leading sustainable data center platform in the Hyperscale market.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchRaleigh, NC, United StatesHQ recorded Nov 6, 2026501-1,000857 contacts →

Exact match

“Consult Engineer Commission At Syska Hennessy Group, we create exceptional environments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Nov 6, 2026501-1,000705 contacts →

Exact match

“RED Engineering Design, a company of Tractebel, is a global engineering consultancy specialising in the design of complex, mission-critical Data Centre and digital infrastructure…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchGurgaon, IndiaHQ recorded Nov 6, 202651-200546 contacts →

Exact match

“Shaping a future where technology meets responsibility.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchHollywood, United StatesHQ recorded Nov 6, 2026501-1,000543 contacts →

Exact match

“NV5 Mission Critical is a trusted leader in mission-critical design and commissioning management with a strong international presence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchMumbai, IndiaHQ recorded Nov 6, 2026501-1,000513 contacts →

Exact match

“STTGDC is a leading data centre platform enabling the cloud, AI and digital services that power how people live, work and connect.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMelbourne, AustraliaHQ recorded Nov 6, 2026201-500472 contacts →

Exact match

“ADP Consulting, an Ayesa company, is a sustainability-led engineering consultancy on a quest to inspire a better world through influence and design.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchAshburn, OR, United StatesHQ recorded Nov 6, 2026501-1,000401 contacts →

Exact match

“Hanley Energy are global innovators in Critical Power and Energy Management solutions, with a stable of world-class engineers shared between European headquarters in Ireland…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchIrvine, MA, United StatesHQ recorded Nov 6, 2026201-500393 contacts →

Exact match

“We are Trio – global energy and sustainability advisors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLong Beach, CA, United StatesHQ recorded Nov 6, 2026201-500379 contacts →

Exact match

“P2S has brought forward-thinking, sustainable engineering solutions to the West Coast and beyond for over 35 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchPark Ridge, United StatesHQ recorded Nov 6, 2026201-500363 contacts →

Exact match

“National Utility Service, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSingaporeHQ recorded Nov 6, 202651-200360 contacts →

Exact match

“Pro-Matrix, prides on developing and designing data centers tailored to meet all our client’s business needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLouisville, KY, United StatesHQ recorded Nov 6, 20261,001-5,000348 contacts →

Exact match

“We are your digital partner for sustainability and efficiency, ensuring Life Is On, for homes, buildings, data centers, infrastructure and industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchManlleu, SpainHQ recorded Nov 6, 2026201-500343 contacts →

Exact match

“Som una empresa especialitzada en sostenibilitat, aliada amb les organitzacions, territoris i persones compromesos amb un món més sostenible, als quals acompanyem en la seva…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchAustin, TX, United StatesHQ recorded Nov 6, 2026201-500320 contacts →

Exact match

“Overwatch is building the workforce behind the future of AI and digital infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchHafnarfjörður, IcelandHQ recorded Nov 6, 202651-200314 contacts →

Exact match

“atNorth is a leading Nordic data center company specializing in scalable high-density colocation and built-to-suit facilities that meet the unique needs of today’s AI and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200313 contacts →

Exact match

“As environmental design consultants, building services engineers and lighting designers, we are committed to high performance and sustainable design within the built environment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact 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
23Exact matchDallas, TX, United StatesHQ recorded Nov 6, 202651-200306 contacts →

Exact match

“Compass Datacenters does data centers differently.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchPortland, OR, United StatesHQ recorded Nov 6, 2026201-500304 contacts →

Exact match

“At Cascade Energy, we believe in better.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Nov 6, 2026501-1,000293 contacts →

Exact match

“Over the last 15 years, we have worked in the world's top data centres and commercial facilities, providing quality engineering services.”

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

Showing 25 of 3,702 data center sustainability consultants worldwide

See the full list, filter by size, metro and specialty, and access 20,713 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Data center sustainability consultants worldwide at a glance

As of Nov 6, 2026
36.1%Verified-email coverage
15.5Average contacts per company
1-10Median size (employees)
2.7%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
2,341
11-50
986
51-200
260
201-500
50
501-1,000
23
1,001-5,000
12
5,001-10,000
5
10001+
3

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 data center sustainability consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “data center sustainability consultants” 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 20,713 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.

Data center sustainability consultants by location

26 lists · largest first

Every Data center sustainability consultants 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 “data center sustainability consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many data center sustainability consultants are there worldwide?

RevenueBase identified 3,702 company matches for data center sustainability consultants 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 data center sustainability consultants?

The United States leads with 730 companies, followed by the United Kingdom (306) and Germany (166). Every data center sustainability consultants list by country and city is linked on this page.

Which city has the most data center sustainability consultants?

London leads with 99 company records, followed by Paris (47) and New York (35).

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 20,713 professional contacts with verified work emails tracked across these 3,702 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.