Company lists · Data refreshed September 2026

Top 16 Rack and stack service providers based in the United Kingdom

RevenueBase identified 40 company matches for rack and stack service providers associated with the United Kingdom as of September 2026 and tracks 872 professional contacts across them, including 513 with verified work emails. London is the largest hub.

This list covers company matches for rack and stack service providers 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 21, 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 21, 2026 How this list was built
40Companies
872Contacts tracked
513Verified emails
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The 16 largest rack and stack service providers based in the United Kingdom

Ranked by team size
Top 16 of 40 company matches for rack and stack service providers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 21, 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 21, 2026 · View company records in RevenueBase
2Exact matchFleet, United KingdomHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
3Exact matchDalbeattie, United KingdomHQ recorded Sep 21, 202651-20049 contacts →

Exact match

“ETB Technologies are one of Europe's largest stockists of new and refurbished servers, storage, networking and components.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
5Exact matchSwindon, United KingdomHQ recorded Sep 21, 202611-5018 contacts →

Exact match

“DS Technologies is a network and infrastructure hardware solutions provider offering hardware, advice and maintenance.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchDoncaster, United KingdomHQ recorded Sep 21, 202611-5014 contacts →

Exact match

“Secure & Critical Environments”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchLondon London, United KingdomHQ recorded Sep 21, 202611-5014 contacts →

Exact match

“Although we started out selling just Memory the best part of fifteen years ago, we have diversified organically over the years at the request of our customers.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchKingsbury, United KingdomHQ recorded Sep 21, 202611-5010 contacts →

Exact match

“Cables and so much more.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchSalford, United KingdomHQ recorded Sep 21, 202611-507 contacts →

Exact match

“Award winning data centres and server rooms from the Number 1 Schneider Elite partner in the UK.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 21, 20261-105 contacts →

Exact match

“Data Centre Professionals Ltd (also known as Dacpros) is a leading smart-hand service provider in the UK, renowned for its proactive and innovative approach.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchWitney, United KingdomHQ recorded Sep 21, 20261-104 contacts →

Exact match

“Systems & Solutions is a trusted IT support provider based in Witney, Oxfordshire, helping businesses keep their technology secure, reliable, and working exactly as it should.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 21, 20261-104 contacts →

Exact match

“XPRO IT Solution Ltd, IT solutions provider committed to delivering innovative and tailored technology solutions.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Sep 21, 202651-2003 contacts →

Exact match

“The Data Centre Group provides high-performance, secure, and energy-efficient data centre solutions, ensuring seamless data management and storage for businesses of all sizes.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 21, 202611-502 contacts →

Exact match

“Over 40 years experience in Offices and Data Centres, working throughout the UK and mainland Europe.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchBrentford, United KingdomHQ recorded Sep 21, 20261-102 contacts →

Exact match

“At The Rack Room, we place a high level of importance on delivering not just a well-wired rack, but one that is aesthetically pleasing, practical, and highly functional for any…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchHeathrow, United KingdomHQ recorded Sep 21, 202611-501 contacts →

Exact match

“Source Servers have been in the IT Industry since 2012 and our technicians and sales team have worked with the Tier 1 Vendors for over 10 years.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 16 of 40 rack and stack service providers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 513 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Rack and stack service providers based in the United Kingdom at a glance

As of Sep 21, 2026
58.8%Verified-email coverage
21.8Average contacts per company
11-50Median size (employees)
35.0%Largest-city concentration · London
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
19
11-50
12
51-200
7
201-500
1
501-1,000
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 40 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 “rack and stack service 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. 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 513 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 21, 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.

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 “rack and stack service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many rack and stack service providers are there based in the United Kingdom?

RevenueBase identified 40 company matches for rack and stack service providers 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 rack and stack service providers?

London leads with 14 company records, followed by London London (2) and Aberdeen (1).

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 513 professional contacts with verified work emails tracked across these 40 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 21, 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.