Company lists · Data refreshed September 2026

Top 25 Data center consulting firms based in the United Kingdom

RevenueBase identified 542 company matches for data center consulting firms associated with the United Kingdom as of September 2026 and tracks 8,529 professional contacts across them, including 3,201 with verified work emails and 824 with mobile numbers. London is the largest hub.

This list covers company matches for data center 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 1, 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 1, 2026 How this list was built
542Companies
8,529Contacts tracked
3,201Verified emails
824Mobile numbers
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The 25 largest data center consulting firms based in the United Kingdom

Ranked by team size
Top 25 of 542 company matches for data center consulting firms based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 1, 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 Kingdom501-1,000580 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
2Exact matchLondon, United Kingdom501-1,000529 contacts →

Exact match

“Maintech: A trusted global partner for IT Infrastructure Solutions and Managed Services, leveraging over 50 years of experience to empower businesses worldwide.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
3Exact matchLondon, United Kingdom201-500421 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 1, 2026 · View company records in RevenueBase
4Exact matchCoventry, United Kingdom501-1,000403 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
5Exact matchLondon, United Kingdom501-1,000264 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 1, 2026 · View company records in RevenueBase
6Exact matchLondon, United Kingdom201-500230 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 1, 2026 · View company records in RevenueBase
7Exact matchLeeds, United Kingdom1,001-5,000224 contacts →

Exact match

“Proact is a leading IT expert helping customers secure business critical data via best in class hybrid cloud solutions.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
8Exact matchGlasgow, United Kingdom1,001-5,000206 contacts →

Exact match

“Proact is Europe’s leading specialist in data and information management with focus on cloud services and data centre solutions.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
9Exact matchBuntingford Herts, United Kingdom51-200179 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 1, 2026 · View company records in RevenueBase
10Exact matchLondon, United Kingdom201-500175 contacts →

Exact match

“Creative ITC is a global cloud and managed services provider built for complex design, engineering, and business critical IT environments.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
11Exact matchReading, United Kingdom51-20091 contacts →

Exact match

“The founders of MiCiM (Mission Critical Management)[pronounced "My Sim"] created the company with a shared vision: to offer a focused, end-to-end, hands-on project management and…”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
12Exact matchLondon, United Kingdom51-20088 contacts →

Exact match

“SysGroup is the services leader for realising AI transformation, as an award-winning managed IT services, cloud hosting, and IT consultancy provider.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
13Exact matchLondon, United Kingdom51-20086 contacts →

Exact match

“We are Technimove.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
14Exact matchBromsgrove, United Kingdom201-50086 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 1, 2026 · View company records in RevenueBase
15Exact matchLondon, United Kingdom51-20082 contacts →

Exact match

“ORM is now Paragon DCX.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
16Exact matchWokingham, United Kingdom51-20080 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
17Exact matchDundee, United Kingdom51-20077 contacts →

Exact match

“Brightsolid is expert in all things colocation, cloud and cyber security.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
18Exact matchLondon, United Kingdom201-50073 contacts →

Exact match

“6point6 drives the right change in an organisation through the positive impact of technology.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
19Exact matchLondon, United Kingdom51-20070 contacts →

Exact match

“Teknicor is a global provider of data centre infrastructure, data protection and managed cloud solutions.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
20Exact matchSouthampton, United Kingdom501-1,00067 contacts →

Exact match

“Cogeco Peer 1 has changed its name to Aptum Technologies.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
21Exact matchGateshead, United Kingdom51-20066 contacts →

Exact match

“We would like to share some exciting news – Onyx Group has been acquired by cloud, colocation and managed hosting expert Pulsant, expanding its network to 15 UK-based datacentres.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
22Exact matchLondon, United Kingdom51-20055 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 1, 2026 · View company records in RevenueBase
23Exact matchBirmingham, United Kingdom51-20048 contacts →

Exact match

“nesevo – Your Trusted Partner in Data Center & IT Solutions At nesevo, we deliver end-to-end IT and data center solutions with precision, efficiency, and full control.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
24Exact matchLondon London, United Kingdom51-20039 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 1, 2026 · View company records in RevenueBase
25Exact matchLeamington Spa, United Kingdom51-20036 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 1, 2026 · View company records in RevenueBase

Showing 25 of 542 data center consulting firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 3,201 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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

As of Sep 1, 2026
37.5%Verified-email coverage
9.7%Mobile-number coverage
15.7Average contacts per company
1-10Median size (employees)
40.2%Largest-city concentration · London
Sep 1, 2026Page data refreshed

Companies by employee count

1-10
319
11-50
151
51-200
50
201-500
7
501-1,000
5
1,001-5,000
5

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 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 3,201 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 1, 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 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 consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 542 company matches for data center 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?

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

Which city has the most data center consulting firms?

London leads with 218 company records, followed by Manchester (11) and Reading (11).

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 3,201 professional contacts with verified work emails tracked across these 542 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 1, 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.