Company lists · Data refreshed October 2026

Top 25 Network infrastructure maintenance contractors based in the United Kingdom

Name: Network infrastructure maintenance contractors based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 18, 2026 326 companies tracked

RevenueBase identified 326 company matches for network infrastructure maintenance contractors associated with the United Kingdom as of October 2026 and tracks 2,643 professional contacts across them, including 792 with verified work emails. London is the largest hub.

This list covers company matches for network infrastructure maintenance contractors 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 October 18, 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 Oct 18, 2026 How this list was built

326Companies

2,643Contacts tracked

792Verified emails

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The 25 largest network infrastructure maintenance contractors based in the United Kingdom

Ranked by team size

Top 25 of 326 company matches for network infrastructure maintenance contractors based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 18, 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	Carnell	Exact match	Penkridge, United KingdomHQ recorded Oct 18, 2026	201-500	212 contacts →
	Exact match “Carnell provide specialist maintenance and support services that help ensure safety and efficiency for the UK’s highway infrastructure.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
2	Field Work Technologies LTD	Exact match	London, United KingdomHQ recorded Oct 18, 2026	51-200	97 contacts →
	Exact match “Promise to deliver Servicing Certainty worldwide.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
3	Redex IT Limited	Exact match	London, United KingdomHQ recorded Oct 18, 2026	51-200	82 contacts →
	Exact match “Ultimate IT solutions.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
4	CST	Exact match	Wooburn Green, United KingdomHQ recorded Oct 18, 2026	51-200	76 contacts →
	Exact match “CST is an I.T.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
5	ADM Computing	Exact match	Canterbury, United KingdomHQ recorded Oct 18, 2026	51-200	75 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 · Oct 18, 2026 · View company records in RevenueBase
6	FNG Fortitude Nicsa Global LTD	Exact match	Derby, United KingdomHQ recorded Oct 18, 2026	51-200	52 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 · Oct 18, 2026 · View company records in RevenueBase
7	MLR Networks LTD	Exact match	Runcorn, United KingdomHQ recorded Oct 18, 2026	11-50	52 contacts →
	Exact match “We are an IT network infrastructure managed services provider delivering enterprise networking, wireless networks, structured cabling and security solutions to customers across…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
8	Beryl Technologies	Exact match	Yiewsley, United KingdomHQ recorded Oct 18, 2026	51-200	51 contacts →
	Exact match “Beryl Technologies promises to deliver servicing, and network optimization around the globe.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
9	Select Technology	Exact match	Paddock Wood, United KingdomHQ recorded Oct 18, 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 · Oct 18, 2026 · View company records in RevenueBase
10	GGR Communications LTD	Exact match	Droitwich, United KingdomHQ recorded Oct 18, 2026	11-50	40 contacts →
	Exact match “GGR Communications, a Cisco Premier Partner, offer the latest solutions and technologies for Managed Network Services, Wireless Networking, Unified Communications, Network and…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
11	Express Communication Services LTD	Exact match	Luton, United KingdomHQ recorded Oct 18, 2026	51-200	37 contacts →
	Exact match “Established in 2012, Express Telecommunication Services Ltd (ExComS) is a UK based IT & Network Support company.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
12	Excel IT	Exact match	Grays, United KingdomHQ recorded Oct 18, 2026	201-500	36 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 · Oct 18, 2026 · View company records in RevenueBase
13	B-612 Remote Hands & Eyes Support	Exact match	London, United KingdomHQ recorded Oct 18, 2026	51-200	33 contacts →
	Exact match “Trusted Partner of Your Network Infrastructure Managing network infrastructure in Data-Centres on behalf of a wide range of colocation users since 2009, B-612 offers a…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
14	Tech Services Global	Exact match	London, United KingdomHQ recorded Oct 18, 2026	51-200	30 contacts →
	Exact match “Ultimate IT Solutions.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
15	NOVEM	Exact match	Cheadle, United KingdomHQ recorded Oct 18, 2026	11-50	30 contacts →
	Exact match “We help businesses run at optimal efficiency via reliable, proactive & responsive IT support & managed services Whether your business is a fledgling start-up or an established…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
16	Brilliant Computers Citadel And Information Technology	Exact match	London, United KingdomHQ recorded Oct 18, 2026	11-50	28 contacts →
	Exact match “We managed IT Infrastructures with dedicated Team of vibrant young Professionals.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
17	IP Performance	Exact match	Bristol, United KingdomHQ recorded Oct 18, 2026	11-50	24 contacts →
	Exact match “How can we be of service?” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
18	OX IT Solutions LTD	Exact match	Kidlington, United KingdomHQ recorded Oct 18, 2026	11-50	22 contacts →
	Exact match “OX IT are fully trained technical and sales consultants focused on Networking, Infrastructure, and the many Security solutions available to keep your business running and secure.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
19	Nvoy Technologies	Exact match	London, United KingdomHQ recorded Oct 18, 2026	11-50	20 contacts →
	Exact match “NVOY began in 2018 with a focus on helping modern businesses work in smarter, more flexible ways.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
20	IKM Network Communications LTD	Exact match	Hook, United KingdomHQ recorded Oct 18, 2026	11-50	20 contacts →
	Exact match “IKM Network Communications is a leading provider of cutting-edge IP network infrastructure systems.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
21	DS Total Solutions	Exact match	Swindon, United KingdomHQ recorded Oct 18, 2026	11-50	18 contacts →
	Exact match “DS Technologies is a network and infrastructure hardware solutions provider offering hardware, advice and maintenance.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
22	Computer Links	Exact match	Livingston, United KingdomHQ recorded Oct 18, 2026	11-50	18 contacts →
	Exact match “We’re proven experts in IT infrastructure and we’re here to help you.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
23	Pcexpress	Exact match	Edgware, United KingdomHQ recorded Oct 18, 2026	11-50	18 contacts →
	Exact match “Below is an overview of what PC Express are about.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
24	Quantum Comms Group LTD	Exact match	Rugeley, United KingdomHQ recorded Oct 18, 2026	51-200	16 contacts →
	Exact match “We work on a range of contracts supporting blue chip organisations including BT, City Fibre, Vodafone and Highway England.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
25	Checkmark IT LTD	Exact match	Heywood, United KingdomHQ recorded Oct 18, 2026	11-50	15 contacts →
	Exact match “About Checkmark IT Checkmark IT is a trusted provider of IT infrastructure, security solutions, endpoint device solutions, and global IT support services, serving both SMBs and…” Recorded in the RevenueBase company graph · Oct 18, 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 “network infrastructure maintenance contractors”. 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 326 network infrastructure maintenance contractors based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 792 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Network infrastructure maintenance contractors based in the United Kingdom at a glance

As of Oct 18, 2026

30.0%Verified-email coverage

8.1Average contacts per company

1-10Median size (employees)

19.6%Largest-city concentration · London

Oct 18, 2026Page data refreshed

Companies by employee count

1-10

195

11-50

51-200

201-500

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 326 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 “network infrastructure maintenance contractors” 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 792 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 October 18, 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.

Network infrastructure maintenance contractors by metro

Network infrastructure maintenance contractors in London64

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 “network infrastructure maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many network infrastructure maintenance contractors are there based in the United Kingdom?

RevenueBase identified 326 company matches for network infrastructure maintenance contractors associated with the United Kingdom as of October 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?

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

Which city has the most network infrastructure maintenance contractors?

London leads with 64 company records, followed by Manchester (11) and Birmingham (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 792 professional contacts with verified work emails tracked across these 326 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 October 18, 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.