Company lists · Data refreshed September 2026

Top 25 Data center design and consulting firms based in the United Kingdom

RevenueBase identified 226 company matches for data center design and consulting firms associated with the United Kingdom as of September 2026 and tracks 4,873 professional contacts across them, including 2,382 with verified work emails. London is the largest hub.

This list covers company matches for data center design and consulting firms associated with the United Kingdom, 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 28, 2026.

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 28, 2026 How this list was built
226Companies
4,873Contacts tracked
2,382Verified emails
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The 25 largest data center design and consulting firms based in the United Kingdom

Ranked by team size
Top 25 of 226 company matches for data center design and consulting firms based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 Sep 28, 2026501-1,000785 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 · Sep 28, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 28, 2026501-1,000585 contacts →

Exact match

“Onnec is a leading partner for IT Infrastructure design, installation and operational support services.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 28, 2026201-500415 contacts →

Exact match

“At Colt Data Centre Services, we aspire to our customers’ success, ensuring your growth is supported by the best infrastructure solution for your business’ unique vision.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 28, 2026501-1,000401 contacts →

Exact match

“We believe successful businesses are underpinned by quality IT infrastructure.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 28, 2026501-1,000259 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 · Sep 28, 2026 · View company records in RevenueBase
6Exact matchManchester, United KingdomHQ recorded Sep 28, 2026201-500228 contacts →

Exact match

“Sudlows is a multi-award winning Critical Infrastructures, Enterprise Services and Facilities Management specialist which provides a full range of technical services for…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchBuntingford Herts, United KingdomHQ recorded Sep 28, 202651-200178 contacts →

Exact match

“OFFICIAL ACCOUNT* Datalec Precision Installations provides world-class data centre design, build, and installation services that leverage unique technical expertise, including…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 28, 202651-200132 contacts →

Exact match

“Bringing data centre projects to life on time and budget.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchBromsgrove, United KingdomHQ recorded Sep 28, 2026201-50090 contacts →

Exact match

“Established in 2010, Excool has consistently led the industry in designing, developing, and delivering unique energy-efficient cooling solutions for data centers across the globe.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchWokingham, United KingdomHQ recorded Sep 28, 202651-20082 contacts →

Exact match

“Future-tech is a specialist data centre engineering services provider.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchFleet, United KingdomHQ recorded Sep 28, 202651-20056 contacts →

Exact match

“IDS Group are a global data centre and colocation specialist providing a variety of services to support our customers around the world from both our UK and Netherlands office…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchMiddlesbrough, United KingdomHQ recorded Sep 28, 202611-5047 contacts →

Exact match

“Durata is the trusted partner your business needs for critical power, legacy optimisation and modular data centre solutions.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Sep 28, 202651-20039 contacts →

Exact match

“We are a leading IT installation company offering complete infrastructure solutions within data centre and commercial sectors.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 28, 202651-20037 contacts →

Exact match

“Sheehan Nagle Hartray Associates, Ltd.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchCheltenham, United KingdomHQ recorded Sep 28, 202651-20037 contacts →

Exact match

“BladeRoom Data Centres are designed to be globally consistent and deployable anywhere in the world with speed and precision.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchLeeds, United KingdomHQ recorded Sep 28, 202611-5035 contacts →

Exact match

“ITP provides an efficient, accurate and professional experience to industry leaders across the globe.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchGrays, United KingdomHQ recorded Sep 28, 2026201-50035 contacts →

Exact match

“Excel builds, supports and optimises the IT infrastructure, networks and connectivity which drive global business performance.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchSt Albans, United KingdomHQ recorded Sep 28, 202611-5033 contacts →

Exact match

“studioNWA is founded on a vast understanding and experience of the data centre design.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5032 contacts →

Exact match

“MiX is an independent consultancy specialising in IT Infrastructure, Communication, Data Centre, Audio Visual, Physical Security & SMART Buildings Technology Solutions.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 28, 202651-20031 contacts →

Exact match

“Formed in 2008 PPA is a specialist Mission Critical Solutions consultancy delivering turnkey Data Centre solutions including Mechanical, Electrical, Public Health, ICT and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5030 contacts →

Exact match

“A new breed of digital technology consultancy.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5030 contacts →

Exact match

“DCD Academy is the data center industry’s premier workforce development partner.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchWitney, United KingdomHQ recorded Sep 28, 20261-1029 contacts →

Exact match

“INFINITI is a one-stop data centre services provider with an eye for detail and outstanding customer service.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchWatford, United KingdomHQ recorded Sep 28, 202651-20026 contacts →

Exact match

“Prism DCS is a data centre solutions provider specialising in the provision of hot & cold aisle containment, server cabinets, and security cages.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchLymington, United KingdomHQ recorded Sep 28, 202611-5025 contacts →

Exact match

“Established over 20 years ago, JB Associates is an independent, specialist data centre and critical infrastructure consultancy delivering agile, reliable and relationship driven…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 226 data center design and consulting firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 2,382 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Data center design and consulting firms based in the United Kingdom at a glance

As of Sep 28, 2026
48.9%Verified-email coverage
21.6Average contacts per company
1-10Median size (employees)
38.9%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
122
11-50
68
51-200
23
201-500
5
501-1,000
6
1,001-5,000
1

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 226 companies.

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.
What qualifies
Company records associated with the United Kingdom whose business descriptions match “data center design and consulting 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 2,382 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 28, 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 design and consulting firms by metro

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 design and consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many data center design and consulting firms are there based in the United Kingdom?

RevenueBase identified 226 company matches for data center design and consulting firms associated with the United Kingdom 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?

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

Which city has the most data center design and consulting firms?

London leads with 88 company records, followed by Manchester (6) and Leeds (4).

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 2,382 professional contacts with verified work emails tracked across these 226 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 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 226 data center design and consulting firms based in the United Kingdom. Start with a free account, no credit card.

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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.