Company lists · Data refreshed September 2026

Top 25 IT infrastructure installation companies based in the United Kingdom

Name: IT infrastructure installation companies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 405 companies tracked

RevenueBase identified 405 company matches for IT infrastructure installation companies associated with the United Kingdom as of September 2026 and tracks 6,171 professional contacts across them, including 2,236 with verified work emails. London is the largest hub.

This list covers company matches for IT infrastructure installation companies 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 20, 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 20, 2026 How this list was built

405Companies

6,171Contacts tracked

2,236Verified emails

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The 25 largest IT infrastructure installation companies based in the United Kingdom

Ranked by team size

Top 25 of 405 company matches for IT infrastructure installation companies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Kelly Group	Exact match	Wembley, United KingdomHQ recorded Sep 20, 2026	1,001-5,000	1,053 contacts →
	Exact match “Established in 1985 to support the emerging UK cable television market, Kelly Group has diversified to meet the needs of our clients.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2	ONNEC	Exact match	London, United KingdomHQ recorded Sep 20, 2026	501-1,000	585 contacts →
	Exact match “Onnec is a leading partner for IT Infrastructure design, installation and operational support services.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3	Redstone Converged Solutions	Exact match	London, United KingdomHQ recorded Sep 20, 2026	201-500	453 contacts →
	Exact match “Redstone is now part of RedstoneConnect PLC.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4	Sudlows	Exact match	Manchester, United KingdomHQ recorded Sep 20, 2026	201-500	228 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 20, 2026 · View company records in RevenueBase
5	Vohkus	Exact match	Fareham, United KingdomHQ recorded Sep 20, 2026	51-200	184 contacts →
	Exact match “Vohkus is a rapidly growing, highly agile UK IT supplier specialising in end-to-end IT supply, enterprise infrastructure solutions, and comprehensive managed services.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	Datalec Precision Installations Limited	Exact match	Buntingford Herts, United KingdomHQ recorded Sep 20, 2026	51-200	178 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 20, 2026 · View company records in RevenueBase
7	LMG Lmgiq.com	Exact match	London, United KingdomHQ recorded Sep 20, 2026	201-500	153 contacts →
	Exact match “For 40 years, LMG has delivered secure, resilient and proven digital infrastructure solutions across the built environment.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	Block Solutions	Exact match	London, United KingdomHQ recorded Sep 20, 2026	51-200	141 contacts →
	Exact match “Block was created for one reason: to empower people and inspire change through technology.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9	Deepscale Technologies LTD	Exact match	London, United KingdomHQ recorded Sep 20, 2026	51-200	141 contacts →
	Exact match “Deepscale Technologies provide data center, enterprise & managed IT solutions across the globe that enhance how businesses operate.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10	Linbrooke Services LTD	Exact match	Sheffield, United KingdomHQ recorded Sep 20, 2026	201-500	89 contacts →
	Exact match “We connect people, technologies and locations, enabling service providers, OEM's and internet service providers to deploy, scale, support and maintain network infrastructure…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11	Redex IT Limited	Exact match	London, United KingdomHQ recorded Sep 20, 2026	51-200	89 contacts →
	Exact match “Ultimate IT solutions.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12	Technimove	Exact match	London, United KingdomHQ recorded Sep 20, 2026	51-200	87 contacts →
	Exact match “We are Technimove.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13	CST	Exact match	Wooburn Green, United KingdomHQ recorded Sep 20, 2026	51-200	76 contacts →
	Exact match “CST is an I.T.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14	ADM Computing	Exact match	Canterbury, United KingdomHQ recorded Sep 20, 2026	51-200	72 contacts →
	Exact match “ADM Computing is an independent, family-owned IT services provider headquartered in Canterbury, supporting organisations across Kent, London and the South East since 1984.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15	Cloudbox	Exact match	London, United KingdomHQ recorded Sep 20, 2026	51-200	60 contacts →
	Exact match “We build and maintain a highly secure, compliant IT infrastructure for our clients – with total peace of mind – so they can focus on the market.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16	FNG Fortitude Nicsa Global LTD	Exact match	Derby, United KingdomHQ recorded Sep 20, 2026	51-200	51 contacts →
	Exact match “Fortitude Nicsa Global (FNG) is a leading provider of comprehensive IT services, supporting businesses in over 160 countries with innovative, 24/7 solutions.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	Kinetic IT LTD	Exact match	Erith, United KingdomHQ recorded Sep 20, 2026	11-50	47 contacts →
	Exact match “It’s all about making a difference The world of IT is an ever-evolving industry with new developments in technology emerging constantly.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18	Bluekong Networks	Exact match	Theale, United KingdomHQ recorded Sep 20, 2026	51-200	42 contacts →
	Exact match “BlueKong Networks is an International technical engineering services provider; an agile, customer-focused provider of end-to-end next generation IT and Network services.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	Select Technology	Exact match	Paddock Wood, United KingdomHQ recorded Sep 20, 2026	11-50	40 contacts →
	Exact match “Select Technology is one of the South East’s leading technology service providers, with 30 years of expertise in designing, implementing and supporting IT networks of all sizes.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20	Phoenix47	Exact match	London, United KingdomHQ recorded Sep 20, 2026	51-200	40 contacts →
	Exact match “Phoenix47 is an IT infrastructure services company providing Support Desk, Managed Services and Professional Services.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21	Phoenix Trescray	Exact match	London, United KingdomHQ recorded Sep 20, 2026	51-200	39 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 20, 2026 · View company records in RevenueBase
22	Aceda Limited	Exact match	Thornaby, United KingdomHQ recorded Sep 20, 2026	51-200	39 contacts →
	Exact match “Established in 1991, ACEDA are a leading provider of IT Infrastructure’s, Security Systems, Electrical & Instrumentation and Smart Building Technologies.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23	Excel IT	Exact match	Grays, United KingdomHQ recorded Sep 20, 2026	201-500	35 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 20, 2026 · View company records in RevenueBase
24	Tech Services Global	Exact match	London, United KingdomHQ recorded Sep 20, 2026	51-200	35 contacts →
	Exact match “Ultimate IT Solutions.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25	Talkwire	Exact match	Melksham, United KingdomHQ recorded Sep 20, 2026	51-200	34 contacts →
	Exact match “Experts for Physical IT Installations Nationwide Whether building network cabinets, fitting devices, integrating complex IT systems, or installing professional IT infrastructure…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “IT infrastructure installation companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 405 IT infrastructure installation companies based in the United Kingdom

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IT infrastructure installation companies based in the United Kingdom at a glance

As of Sep 20, 2026

36.2%Verified-email coverage

15.2Average contacts per company

1-10Median size (employees)

20.2%Largest-city concentration · London

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

204

11-50

139

51-200

201-500

501-1,000

1,001-5,000

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 405 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 “IT infrastructure installation companies” 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 2,236 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 20, 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 “IT infrastructure installation companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT infrastructure installation companies are there based in the United Kingdom?

RevenueBase identified 405 company matches for IT infrastructure installation companies 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?

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

Which city has the most IT infrastructure installation companies?

London leads with 82 company records, followed by Manchester (7) and Nottingham (7).

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 2,236 professional contacts with verified work emails tracked across these 405 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 20, 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.