Company lists · Data refreshed September 2026

Top 25 Network infrastructure management companies based in the United Kingdom

RevenueBase identified 289 company matches for network infrastructure management companies associated with the United Kingdom as of September 2026 and tracks 12,719 professional contacts across them, including 5,243 with verified work emails. London is the largest hub.

This list covers company matches for network infrastructure management 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
289Companies
12,719Contacts tracked
5,243Verified emails
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The 25 largest network infrastructure management companies based in the United Kingdom

Ranked by team size
Top 25 of 289 company matches for network infrastructure management 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Sep 20, 20265,001-10,0006,233 contacts →

Exact match

“Colt Technology Services (Colt) is a global digital infrastructure company which creates extraordinary connections to help businesses succeed.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchWembley, United KingdomHQ recorded Sep 20, 20261,001-5,0001,053 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
3Exact matchWarrington, United KingdomHQ recorded Sep 20, 2026501-1,000519 contacts →

Exact match

“WHP is one of the UK's leading suppliers of network infrastructure services.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 20, 2026201-500453 contacts →

Exact match

“Redstone is now part of RedstoneConnect PLC.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 20, 2026201-500341 contacts →

Exact match

“Maintel is a communications managed services provider.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchSt Ives, United KingdomHQ recorded Sep 20, 2026201-500273 contacts →

Exact match

“Magdalene provides comprehensive independent solutions which address the individual needs of our customers throughout the Telecommunications Industry.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchManchester, United KingdomHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-200141 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
9Exact matchWigan, United KingdomHQ recorded Sep 20, 202651-200137 contacts →

Exact match

“Our service-first managed network solutions help multi-site Retail, Hospitality, Quick-serve Restaurants and Fuel Forecourt operators ensure reliable, compliant and scalable…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchHitchin, United KingdomHQ recorded Sep 20, 202651-200131 contacts →

Exact match

“Modern Networks helps commercial property owners and managing agents turn buildings into high-performing, tenant-ready assets.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchSheffield, United KingdomHQ recorded Sep 20, 2026201-50089 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
12Exact matchKimpton, United KingdomHQ recorded Sep 20, 202651-20079 contacts →

Exact match

“Switchshop is a specialist designer, installer and provider of IT network equipment solutions and one of the UK's leading resellers of networking hardware.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchNelson, United KingdomHQ recorded Sep 20, 2026201-50076 contacts →

Exact match

“ISG Tech is a market-leading provider of services for the design, deployment and management of enterprise network connectivity with over 35 years of experience.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchGlenrothes, United KingdomHQ recorded Sep 20, 2026201-50063 contacts →

Exact match

“Leviton Network Solutions Europe supports commercial and residential networks with high-performance network infrastructure.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchOswestry, United KingdomHQ recorded Sep 20, 202651-20054 contacts →

Exact match

“SNO is a specialist network operations and security partner, helping organisations design, secure, and manage the networks they rely on every day.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchRuncorn, United KingdomHQ recorded Sep 20, 202611-5053 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 · Sep 20, 2026 · View company records in RevenueBase
17Exact matchDerby, United KingdomHQ recorded Sep 20, 202651-20051 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
18Exact matchReigate, United KingdomHQ recorded Sep 20, 2026501-1,00042 contacts →

Exact match

“Updata Infrastructure part of Capita plc, is a pioneering connectivity services integrator.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchAndover, United KingdomHQ recorded Sep 20, 202651-20041 contacts →

Exact match

“Lynx-UK is a telecommunications engineering and network asset management company.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchDroitwich, United KingdomHQ recorded Sep 20, 202611-5036 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 · Sep 20, 2026 · View company records in RevenueBase
21Exact matchTheale, United KingdomHQ recorded Sep 20, 202651-20035 contacts →

Exact match

“Telelink provide the critical infrastructure that we all take for granted but has a major impact on our day-to-day life.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchGrays, United KingdomHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
23Exact matchEpsom, United KingdomHQ recorded Sep 20, 202651-20034 contacts →

Exact match

“DELTEQ Ltd is a leading company in the telecommunications and infrastructure industry.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-20033 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 · Sep 20, 2026 · View company records in RevenueBase
25Exact matchCroydon, United KingdomHQ recorded Sep 20, 202651-20033 contacts →

Exact match

“Founded by Wayne East in 2009, TDA Telecoms has been driving telecom transformation for over a decade.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 289 network infrastructure management companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 5,243 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Network infrastructure management companies based in the United Kingdom at a glance

As of Sep 20, 2026
41.2%Verified-email coverage
44.0Average contacts per company
11-50Median size (employees)
20.4%Largest-city concentration · London
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
136
11-50
92
51-200
41
201-500
12
501-1,000
4
1,001-5,000
1
5,001-10,000
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 289 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 management 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 5,243 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 “network infrastructure management companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many network infrastructure management companies are there based in the United Kingdom?

RevenueBase identified 289 company matches for network infrastructure management 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?

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

Which city has the most network infrastructure management companies?

London leads with 59 company records, followed by Leeds (6) and Birmingham (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 5,243 professional contacts with verified work emails tracked across these 289 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.