Company lists · Data refreshed September 2026

Top 25 5g infrastructure providers based in the United Kingdom

RevenueBase identified 134 5g infrastructure providers headquartered in the United Kingdom as of September 2026 and tracks 13,687 professional contacts across them, including 2,888 with verified work emails. London is the largest hub.

This list covers 5g infrastructure providers headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review
134Companies
13,687Contacts tracked
2,888Verified emails
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The 25 largest 5g infrastructure providers based in the United Kingdom

Ranked by team size
Top 25 of 134 5g infrastructure providers based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to 5g infrastructure providers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceReading, United KingdomHQ checked Sep 19, 20261,001-5,0005,121 contacts →

Indirect evidence

“Three UK is a big network for the little or life-changing connections that make life richer.”

Source: RevenueBase Database · checked Sep 19, 2026
2Indirect evidenceLondon, United KingdomHQ checked Sep 19, 2026501-1,0001,319 contacts →

Indirect evidence

“At Boldyn Networks we unlock the power of an interconnected future.”

Source: RevenueBase Database · checked Sep 19, 2026
3Partial evidenceMagor, United KingdomHQ checked Sep 19, 2026201-500470 contacts →

Partial evidence

“Indigo engineers a digital future by designing, deploying, and supporting digital infrastructure for network owners and operators.”

Source: RevenueBase Database · checked Sep 19, 2026
4Partial evidenceTheale, United KingdomHQ checked Sep 19, 2026201-500300 contacts →

Partial evidence

“Welcome to Cornerstone, the leading UK mobile infrastructure services company.”

Source: RevenueBase Database · checked Sep 19, 2026
5Indirect evidenceSt Ives, United KingdomHQ checked Sep 19, 2026201-500273 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
6Indirect evidenceLondon, United KingdomHQ checked Sep 19, 2026501-1,000248 contacts →

Indirect evidence

“Building on more than seven decades of experience in engineering and technology innovation, Telrad Networks is an award-winning, recognized global leader in wireless…”

Source: RevenueBase Database · checked Sep 19, 2026
7Partial evidenceAlbourne, United KingdomHQ checked Sep 19, 202651-200190 contacts →

Partial evidence

“Technetix provides critical broadband infrastructure for network operators globally.”

Source: RevenueBase Database · checked Sep 19, 2026
8Indirect evidenceLondon, United KingdomHQ checked Sep 19, 202651-200134 contacts →

Indirect evidence

“The networks of the future are here.”

Source: RevenueBase Database · checked Sep 19, 2026
9Partial evidenceStrathclyde Business Park, United KingdomHQ checked Sep 19, 202651-200115 contacts →

Partial evidence

“We’re trusted partners in delivering sustainable, long-term infrastructure that powers exceptional mobile connectivity where and when it matters most.”

Source: RevenueBase Database · checked Sep 19, 2026
10Indirect evidenceCambridge, United KingdomHQ checked Sep 19, 202651-20098 contacts →

Indirect evidence

“Pioneering next generation millimetre wave (mmW) & microwave transmission equipment since CBNL is the global leader in carrier-class, point-to-multipoint microwave and millimeter…”

Source: RevenueBase Database · checked Sep 19, 2026
11Partial evidenceWest Byfleet, United KingdomHQ checked Sep 19, 202651-20093 contacts →

Partial evidence

“Providing high quality, dedicated telecom infrastructure services to Operators across the country.”

Source: RevenueBase Database · checked Sep 19, 2026
12Partial evidenceWaterbeach, United KingdomHQ checked Sep 19, 202651-20068 contacts →

Partial evidence

“Sitec Infrastructure Services is a dynamic, delivery-focussed company providing Mobile infrastructure ADC services and Fixed/Fibre E2E network delivery capabilities.”

Source: RevenueBase Database · checked Sep 19, 2026
13Partial evidenceLymington, United KingdomHQ checked Sep 19, 202651-20065 contacts →

Partial evidence

“Shared Access is an independent wireless telecommunications infrastructure company.”

Source: RevenueBase Database · checked Sep 19, 2026
14Indirect evidenceFarnborough, United KingdomHQ checked Sep 19, 202651-20054 contacts →

Indirect evidence

“At UK Connect, we specialise in advanced wireless connectivity solutions.”

Source: RevenueBase Database · checked Sep 19, 2026
15Indirect evidenceLivingston, United KingdomHQ checked Sep 19, 202651-20054 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 19, 2026
16Indirect evidenceCambridge, United KingdomHQ checked Sep 19, 202651-20053 contacts →

Indirect evidence

“Ranplan Wireless pioneer software solutions that help perfect the design, optimisation and automation of in-building and urban outdoor wireless networks.”

Source: RevenueBase Database · checked Sep 19, 2026
17Indirect evidenceDerby, United KingdomHQ checked Sep 19, 202651-20051 contacts →

Indirect evidence

“Fortitude Nicsa Global (FNG) is a leading provider of comprehensive IT services, supporting businesses in over 160 countries with innovative, 24/7 solutions.”

Source: RevenueBase Database · checked Sep 19, 2026
18Indirect evidenceLondon, United KingdomHQ checked Sep 19, 202651-20044 contacts →

Indirect evidence

“We design build and operate high performance private networks for industrial, business and government customers.”

Source: RevenueBase Database · checked Sep 19, 2026
19Partial evidenceSidcup, United KingdomHQ checked Sep 19, 202651-20040 contacts →

Partial evidence

“KNTC builds infrastructure for telecoms to deliver next generation access and connectivity for voice and data communication services on behalf of consumers and businesses.”

Source: RevenueBase Database · checked Sep 19, 2026
20Partial evidenceTheale, United KingdomHQ checked Sep 19, 202651-20035 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
21Indirect evidenceEgham, United KingdomHQ checked Sep 19, 202611-5032 contacts →

Indirect evidence

“Experts in cellular wireless services for mobile operators, neutral host providers and property owners for businesses, commercial property and public buildings.”

Source: RevenueBase Database · checked Sep 19, 2026
22Indirect evidenceCambridge, United KingdomHQ checked Sep 19, 202611-5028 contacts →

Indirect evidence

“Zinwave provides the indoor cellular and public safety coverage that businesses need in a five-component, fiber-based solution that’s easy and affordable to install.”

Source: RevenueBase Database · checked Sep 19, 2026
23Partial evidenceCheltenham, United KingdomHQ checked Sep 19, 202651-20024 contacts →

Partial evidence

“As one of the UK’s leading network infrastructure providers, Horsebridge Network Systems operates a market leading Network as a Service solution (NaaS) and proudly to be support…”

Source: RevenueBase Database · checked Sep 19, 2026
24Indirect evidenceCheltenham, United KingdomHQ checked Sep 19, 202611-5024 contacts →

Indirect evidence

“Projex Cellular is an experienced, professional team committed to providing innovative products and turnkey project services to Mobile Network Operators, delivering all aspects of…”

Source: RevenueBase Database · checked Sep 19, 2026
25Indirect evidencePulborough, United KingdomHQ checked Sep 19, 202611-5022 contacts →

Indirect evidence

“The Real Wireless team of more than 35 experts delivers deep technology, business, market and economics experience.”

Source: RevenueBase Database · checked Sep 19, 2026

Showing 25 of 134 5g infrastructure providers based in the United Kingdom

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5g infrastructure providers based in the United Kingdom at a glance

As of Sep 19, 2026
21.1%Verified-email coverage
102.1Average contacts per company
11-50Median size (employees)
18.7%Largest-city concentration · London
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
48
11-50
46
51-200
21
201-500
12
501-1,000
4
1,001-5,000
2
10001+
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 134 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among 5g infrastructure providers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United Kingdom whose own description of what they do matches “5g infrastructure providers”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names 5g infrastructure providers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among 5g infrastructure providers, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 2,888 across the full list. 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 19, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

5g infrastructure providers by metro

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names 5g infrastructure providers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many 5g infrastructure providers are there based in the United Kingdom?

RevenueBase identified 134 5g infrastructure providers headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Three UK, headquartered in Reading, tops this list with the largest team on record.

Which city has the most 5g infrastructure providers?

London leads with 25 headquartered companies, followed by Cambridge (6) and Reading (6).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 2,888 verified decision-maker contacts tracked across these 134 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 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 Smart Search, 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.