Company lists · Data refreshed October 2026
Top 25 Internet service infrastructure providers based in the United Kingdom
RevenueBase identified 523 company matches for internet service infrastructure providers associated with the United Kingdom as of October 2026 and tracks 21,561 professional contacts across them, including 9,133 with verified work emails. London is the largest hub.
This list covers company matches for internet service infrastructure 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 October 17, 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.
The 25 largest internet service infrastructure providers based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,457 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 · Oct 17, 2026 · View company records in RevenueBase | |||||
| 2 | 1,431 contacts → | ||||
Exact match “At CityFibre, we’re building a new, intelligent, open-access fibre network, purpose built for the data age.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 3 | 1,312 contacts → | ||||
Exact match “Hyperoptic was founded in 2011 to shake up the broadband market, and we're proud to be forever in our customers' corner.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 4 | 1,111 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 · Oct 17, 2026 · View company records in RevenueBase | |||||
| 5 | 547 contacts → | ||||
Exact match “WHP is one of the UK's leading suppliers of network infrastructure services.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 6 | 512 contacts → | ||||
Exact match “Indigo engineers a digital future by designing, deploying, and supporting digital infrastructure for network owners and operators.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 7 | 487 contacts → | ||||
Exact match “Whichever way you look at it, we are London’s best broadband- London's fastest broadband network - London’s best quality broadband network (Opensignal)*- Which?” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 8 | 431 contacts → | ||||
Exact match “EXA Infrastructure is an award-winning portfolio company of I Squared Capital and one of the largest dedicated digital infrastructure platforms throughout Europe, connecting North…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 9 | 373 contacts → | ||||
Exact match “euNetworks (@euNetworks) is a European provider of bandwidth infrastructure services.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 10 | 281 contacts → | ||||
Exact match “We're a future-ready full fibre wholesaler, offering a seamless route to the UK’s largest full fibre networks.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 11 | 275 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 · Oct 17, 2026 · View company records in RevenueBase | |||||
| 12 | 255 contacts → | ||||
Exact match “Fast, reliable broadband.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 13 | 227 contacts → | ||||
Exact match “ASK4: Empowering connected living and working spaces Specialist managed Internet service provider for multi-tenant buildings.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 14 | 207 contacts → | ||||
Exact match “Founded in 2009, Airband is an independent internet service provider bringing superfast broadband to homes, business and industry in rural and hard-to-reach areas, with a rapidly…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 15 | 206 contacts → | ||||
Exact match “Welcome to Glide, the UK's leading business broadband provider specialising in hard-to-reach and difficult-to-serve locations.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 16 | 200 contacts → | ||||
Exact match “Technetix provides critical broadband infrastructure for network operators globally.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 17 | 179 contacts → | ||||
Exact match “Founded and based in the Scottish Borders, QubeGB operates nationwide, covering 98% of the UK.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 18 | 171 contacts → | ||||
Exact match “Viberoptix delivers frontline services to fibre networks providers across the UK and Ireland.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 19 | 132 contacts → | ||||
Exact match “The networks of the future are here.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 20 | 131 contacts → | ||||
Exact match “CASS (Cabling and Splicing Services) is a services driven telecommunications specialist business.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 21 | 130 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 · Oct 17, 2026 · View company records in RevenueBase | |||||
| 22 | 129 contacts → | ||||
Exact match “Welcome to Nano Fibre UK!” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 23 | 124 contacts → | ||||
Exact match “As a UK fibre network provider, we believe that high-speed broadband should be available for everyone.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 24 | 123 contacts → | ||||
Exact match “Founded in 1994, Commsworld is a leading UK Telecommunications Network Provider and ISP and supports thousands of the UK’s leading organisations, both in public and private…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 25 | 106 contacts → | ||||
Exact match “Spitfire Network Services is a UK-based, multi-award winning telecoms and ISP provider for businesses.” Recorded in the RevenueBase company graph · Oct 17, 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 “internet service infrastructure providers”. 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 523 internet service infrastructure providers based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 9,133 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Internet service infrastructure providers based in the United Kingdom at a glance
As of Oct 17, 2026Companies by employee count
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 523 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 “internet service infrastructure 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 9,133 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 17, 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.
Internet service infrastructure providers by metro
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 “internet service infrastructure providers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many internet service infrastructure providers are there based in the United Kingdom?
RevenueBase identified 523 company matches for internet service infrastructure providers 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?
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 internet service infrastructure providers?
London leads with 74 company records, followed by Leeds (11) and Hull (10).
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 9,133 professional contacts with verified work emails tracked across these 523 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 17, 2026.
Ready to reach these companies? Verified emails and direct dials for all 523 internet service infrastructure providers based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Internet service infrastructure providers by geography
- Internet service infrastructure providers based in Dhaka, Bangladesh
- Internet service infrastructure providers based in Curitiba, Brazil
- Internet service infrastructure providers based in Fortaleza, Brazil
- Internet service infrastructure providers based in Sao Paulo, Brazil
- Internet service infrastructure providers based in Paris, France
- Internet service infrastructure providers based in Bangalore, India
- Internet service infrastructure providers based in Mumbai, India
- Internet service infrastructure providers based in Noida, India
- Internet service infrastructure providers based in Milan, Italy
- Internet service infrastructure providers based in Cape Town, South Africa
- Internet service infrastructure providers based in Johannesburg, South Africa
- Internet service infrastructure providers based in London, United Kingdom
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Internet service infrastructure providers based in Dhaka, Bangladesh
- Internet service infrastructure providers based in Curitiba, Brazil
- Internet service infrastructure providers based in Fortaleza, Brazil
- Internet service infrastructure providers based in Sao Paulo, Brazil
- Internet service infrastructure providers based in Paris, France
- Internet service infrastructure providers based in Bangalore, India
Company intelligence · public preview
Top 25 internet service infrastructure providers based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 523 matching company records for internet service infrastructure providers based in the United Kingdom, with 21,561 tracked contacts and 9,133 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 17, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 internet service infrastructure providers based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Colt Technology Servicescolt.netHQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 6,457 contacts → |
“Colt Technology Services (Colt) is a global digital infrastructure company which creates extraordinary connections to help businesses succeed.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Cityfibrecityfibre.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,431 contacts → |
“At CityFibre, we’re building a new, intelligent, open-access fibre network, purpose built for the data age.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Hyperoptichyperoptic.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,312 contacts → |
“Hyperoptic was founded in 2011 to shake up the broadband market, and we're proud to be forever in our customers' corner.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Kelly Groupkelly.co.ukHQ: Wembley, United KingdomReported employees: 1,001-5,000 | Wembley, United Kingdom | 1,001-5,000 | Exact match | 1,111 contacts → |
“Established in 1985 to support the emerging UK cable television market, Kelly Group has diversified to meet the needs of our clients.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  WHP Telecoms Limitedwhptelecoms.comHQ: Warrington, United KingdomReported employees: 501-1,000 | Warrington, United Kingdom | 501-1,000 | Exact match | 547 contacts → |
“WHP is one of the UK's leading suppliers of network infrastructure services.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Indigoindigotg.com HQ: Magor, United KingdomReported employees: 201-500 | Magor, United Kingdom | 201-500 | Exact match | 512 contacts → |
“Indigo engineers a digital future by designing, deploying, and supporting digital infrastructure for network owners and operators.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Community Fibre Limitedcommunityfibre.co.ukHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 487 contacts → |
“Whichever way you look at it, we are London’s best broadband- London's fastest broadband network - London’s best quality broadband network (Opensignal)*- Which?” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  EXA Infrastructureexainfra.netHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 431 contacts → |
“EXA Infrastructure is an award-winning portfolio company of I Squared Capital and one of the largest dedicated digital infrastructure platforms throughout Europe, connecting North…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Eunetworkseunetworks.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 373 contacts → |
“euNetworks (@euNetworks) is a European provider of bandwidth infrastructure services.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Allpoints Fibre Networksallpointsfibre.ukHQ: Reading, United KingdomReported employees: 201-500 | Reading, United Kingdom | 201-500 | Exact match | 281 contacts → |
“We're a future-ready full fibre wholesaler, offering a seamless route to the UK’s largest full fibre networks.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Magdalenemagdalene.co.ukHQ: St Ives, United KingdomReported employees: 201-500 | St Ives, United Kingdom | 201-500 | Exact match | 275 contacts → |
“Magdalene provides comprehensive independent solutions which address the individual needs of our customers throughout the Telecommunications Industry.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Quickline Communications Limitedquickline.co.ukHQ: Hull, United KingdomReported employees: 201-500 | Hull, United Kingdom | 201-500 | Exact match | 255 contacts → |
“Fast, reliable broadband.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Ask4ask4.comHQ: Sheffield, United KingdomReported employees: 201-500 | Sheffield, United Kingdom | 201-500 | Exact match | 227 contacts → |
“ASK4: Empowering connected living and working spaces Specialist managed Internet service provider for multi-tenant buildings.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Airband Community Internetairband.co.ukHQ: Droitwich, United KingdomReported employees: 201-500 | Droitwich, United Kingdom | 201-500 | Exact match | 207 contacts → |
“Founded in 2009, Airband is an independent internet service provider bringing superfast broadband to homes, business and industry in rural and hard-to-reach areas, with a rapidly…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Glide UKglide.co.ukHQ: Kenn, United KingdomReported employees: 201-500 | Kenn, United Kingdom | 201-500 | Exact match | 206 contacts → |
“Welcome to Glide, the UK's leading business broadband provider specialising in hard-to-reach and difficult-to-serve locations.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Technetixtechnetix.comHQ: Albourne, United KingdomReported employees: 51-200 | Albourne, United Kingdom | 51-200 | Exact match | 200 contacts → |
“Technetix provides critical broadband infrastructure for network operators globally.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Qubegbqubegb.com HQ: Selkirk, United KingdomReported employees: 201-500 | Selkirk, United Kingdom | 201-500 | Exact match | 179 contacts → |
“Founded and based in the Scottish Borders, QubeGB operates nationwide, covering 98% of the UK.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Viberoptixviberoptix.com HQ: Coalisland, United KingdomReported employees: 501-1,000 | Coalisland, United Kingdom | 501-1,000 | Exact match | 171 contacts → |
“Viberoptix delivers frontline services to fibre networks providers across the UK and Ireland.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Freshwavefreshwavegroup.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 132 contacts → |
“The networks of the future are here.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Cass Worldwidecassworldwide.comHQ: Snitterfield, United KingdomReported employees: 201-500 | Snitterfield, United Kingdom | 201-500 | Exact match | 131 contacts → |
“CASS (Cabling and Splicing Services) is a services driven telecommunications specialist business.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Linbrooke Services LTDlinbrooke.co.ukHQ: Sheffield, United KingdomReported employees: 201-500 | Sheffield, United Kingdom | 201-500 | Exact match | 130 contacts → |
“We connect people, technologies and locations, enabling service providers, OEM's and internet service providers to deploy, scale, support and maintain network infrastructure…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Nano Fibre UK Limitednanofibre.co.ukHQ: Bradford, United KingdomReported employees: 201-500 | Bradford, United Kingdom | 201-500 | Exact match | 129 contacts → |
“Welcome to Nano Fibre UK!” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Freedom Fibrefreedomfibre.comHQ: Irlam, United KingdomReported employees: 51-200 | Irlam, United Kingdom | 51-200 | Exact match | 124 contacts → |
“As a UK fibre network provider, we believe that high-speed broadband should be available for everyone.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Commsworldcommsworld.comHQ: Edinburgh, United KingdomReported employees: 51-200 | Edinburgh, United Kingdom | 51-200 | Exact match | 123 contacts → |
“Founded in 1994, Commsworld is a leading UK Telecommunications Network Provider and ISP and supports thousands of the UK’s leading organisations, both in public and private…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Spitfire Network Services LTDspitfire.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 106 contacts → |
“Spitfire Network Services is a UK-based, multi-award winning telecoms and ISP provider for businesses.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 523 company matches
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Internet service infrastructure providers: dataset insights
October 17, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
517 records in the displayed employee bands.
6 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 523 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 17, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Internet service infrastructure providers by metro
Questions about this company list
What does Exact match mean for internet service infrastructure providers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many internet service infrastructure providers did RevenueBase find based in the United Kingdom?
The saved snapshot records 523 matching company records, 21,561 tracked contacts and 9,133 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 17, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Internet service infrastructure providers by geography
- Internet service infrastructure providers based in Dhaka, Bangladesh
- Internet service infrastructure providers based in Curitiba, Brazil
- Internet service infrastructure providers based in Fortaleza, Brazil
- Internet service infrastructure providers based in Sao Paulo, Brazil
- Internet service infrastructure providers based in Paris, France
- Internet service infrastructure providers based in Bangalore, India
- Internet service infrastructure providers based in Mumbai, India
- Internet service infrastructure providers based in Noida, India
- Internet service infrastructure providers based in Milan, Italy
- Internet service infrastructure providers based in Cape Town, South Africa
- Internet service infrastructure providers based in Johannesburg, South Africa
- Internet service infrastructure providers based in London, United Kingdom
Cite this list
RevenueBase Data Team. Top 25 internet service infrastructure providers based in the United Kingdom. Snapshot: October 17, 2026. https://revenuebase.ai/companies/internet-service-infrastructure-providers/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Internet service infrastructure providers based in Dhaka, Bangladesh
- Internet service infrastructure providers based in Curitiba, Brazil
- Internet service infrastructure providers based in Fortaleza, Brazil
- Internet service infrastructure providers based in Sao Paulo, Brazil
- Internet service infrastructure providers based in Paris, France
- Internet service infrastructure providers based in Bangalore, India
Company intelligence · public preview
Top 25 internet service infrastructure providers based in the United Kingdom
RevenueBase records 523 matching company records for internet service infrastructure providers based in the United Kingdom, with 21,561 tracked contacts and 9,133 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 17, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 internet service infrastructure providers based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Colt Technology Servicescolt.net HQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 6,457 contacts → |
“Colt Technology Services (Colt) is a global digital infrastructure company which creates extraordinary connections to help businesses succeed.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Cityfibrecityfibre.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,431 contacts → |
“At CityFibre, we’re building a new, intelligent, open-access fibre network, purpose built for the data age.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Hyperoptichyperoptic.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,312 contacts → |
“Hyperoptic was founded in 2011 to shake up the broadband market, and we're proud to be forever in our customers' corner.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Kelly Groupkelly.co.uk HQ: Wembley, United KingdomReported employees: 1,001-5,000 | Wembley, United Kingdom | 1,001-5,000 | Exact match | 1,111 contacts → |
“Established in 1985 to support the emerging UK cable television market, Kelly Group has diversified to meet the needs of our clients.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | WHP Telecoms Limitedwhptelecoms.com HQ: Warrington, United KingdomReported employees: 501-1,000 | Warrington, United Kingdom | 501-1,000 | Exact match | 547 contacts → |
“WHP is one of the UK's leading suppliers of network infrastructure services.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Indigoindigotg.com HQ: Magor, United KingdomReported employees: 201-500 | Magor, United Kingdom | 201-500 | Exact match | 512 contacts → |
“Indigo engineers a digital future by designing, deploying, and supporting digital infrastructure for network owners and operators.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Community Fibre Limitedcommunityfibre.co.uk HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 487 contacts → |
“Whichever way you look at it, we are London’s best broadband- London's fastest broadband network - London’s best quality broadband network (Opensignal)*- Which?” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | EXA Infrastructureexainfra.net HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 431 contacts → |
“EXA Infrastructure is an award-winning portfolio company of I Squared Capital and one of the largest dedicated digital infrastructure platforms throughout Europe, connecting North…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Eunetworkseunetworks.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 373 contacts → |
“euNetworks (@euNetworks) is a European provider of bandwidth infrastructure services.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Allpoints Fibre Networksallpointsfibre.uk HQ: Reading, United KingdomReported employees: 201-500 | Reading, United Kingdom | 201-500 | Exact match | 281 contacts → |
“We're a future-ready full fibre wholesaler, offering a seamless route to the UK’s largest full fibre networks.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Magdalenemagdalene.co.uk HQ: St Ives, United KingdomReported employees: 201-500 | St Ives, United Kingdom | 201-500 | Exact match | 275 contacts → |
“Magdalene provides comprehensive independent solutions which address the individual needs of our customers throughout the Telecommunications Industry.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Quickline Communications Limitedquickline.co.uk HQ: Hull, United KingdomReported employees: 201-500 | Hull, United Kingdom | 201-500 | Exact match | 255 contacts → |
“Fast, reliable broadband.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Ask4ask4.com HQ: Sheffield, United KingdomReported employees: 201-500 | Sheffield, United Kingdom | 201-500 | Exact match | 227 contacts → |
“ASK4: Empowering connected living and working spaces Specialist managed Internet service provider for multi-tenant buildings.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Airband Community Internetairband.co.uk HQ: Droitwich, United KingdomReported employees: 201-500 | Droitwich, United Kingdom | 201-500 | Exact match | 207 contacts → |
“Founded in 2009, Airband is an independent internet service provider bringing superfast broadband to homes, business and industry in rural and hard-to-reach areas, with a rapidly…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Glide UKglide.co.uk HQ: Kenn, United KingdomReported employees: 201-500 | Kenn, United Kingdom | 201-500 | Exact match | 206 contacts → |
“Welcome to Glide, the UK's leading business broadband provider specialising in hard-to-reach and difficult-to-serve locations.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Technetixtechnetix.com HQ: Albourne, United KingdomReported employees: 51-200 | Albourne, United Kingdom | 51-200 | Exact match | 200 contacts → |
“Technetix provides critical broadband infrastructure for network operators globally.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Qubegbqubegb.com HQ: Selkirk, United KingdomReported employees: 201-500 | Selkirk, United Kingdom | 201-500 | Exact match | 179 contacts → |
“Founded and based in the Scottish Borders, QubeGB operates nationwide, covering 98% of the UK.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Viberoptixviberoptix.com HQ: Coalisland, United KingdomReported employees: 501-1,000 | Coalisland, United Kingdom | 501-1,000 | Exact match | 171 contacts → |
“Viberoptix delivers frontline services to fibre networks providers across the UK and Ireland.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Freshwavefreshwavegroup.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 132 contacts → |
“The networks of the future are here.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Cass Worldwidecassworldwide.com HQ: Snitterfield, United KingdomReported employees: 201-500 | Snitterfield, United Kingdom | 201-500 | Exact match | 131 contacts → |
“CASS (Cabling and Splicing Services) is a services driven telecommunications specialist business.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Linbrooke Services LTDlinbrooke.co.uk HQ: Sheffield, United KingdomReported employees: 201-500 | Sheffield, United Kingdom | 201-500 | Exact match | 130 contacts → |
“We connect people, technologies and locations, enabling service providers, OEM's and internet service providers to deploy, scale, support and maintain network infrastructure…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Nano Fibre UK Limitednanofibre.co.uk HQ: Bradford, United KingdomReported employees: 201-500 | Bradford, United Kingdom | 201-500 | Exact match | 129 contacts → |
“Welcome to Nano Fibre UK!” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Freedom Fibrefreedomfibre.com HQ: Irlam, United KingdomReported employees: 51-200 | Irlam, United Kingdom | 51-200 | Exact match | 124 contacts → |
“As a UK fibre network provider, we believe that high-speed broadband should be available for everyone.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Commsworldcommsworld.com HQ: Edinburgh, United KingdomReported employees: 51-200 | Edinburgh, United Kingdom | 51-200 | Exact match | 123 contacts → |
“Founded in 1994, Commsworld is a leading UK Telecommunications Network Provider and ISP and supports thousands of the UK’s leading organisations, both in public and private…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Spitfire Network Services LTDspitfire.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 106 contacts → |
“Spitfire Network Services is a UK-based, multi-award winning telecoms and ISP provider for businesses.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 523 company matches
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Internet service infrastructure providers: dataset insights
October 17, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
517 records in the displayed employee bands.
6 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 523 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 17, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Internet service infrastructure providers by metro
Questions about this company list
What does Exact match mean for internet service infrastructure providers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many internet service infrastructure providers did RevenueBase find based in the United Kingdom?
The saved snapshot records 523 matching company records, 21,561 tracked contacts and 9,133 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 17, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Internet service infrastructure providers by geography
- Internet service infrastructure providers based in Dhaka, Bangladesh
- Internet service infrastructure providers based in Curitiba, Brazil
- Internet service infrastructure providers based in Fortaleza, Brazil
- Internet service infrastructure providers based in Sao Paulo, Brazil
- Internet service infrastructure providers based in Paris, France
- Internet service infrastructure providers based in Bangalore, India
- Internet service infrastructure providers based in Mumbai, India
- Internet service infrastructure providers based in Noida, India
- Internet service infrastructure providers based in Milan, Italy
- Internet service infrastructure providers based in Cape Town, South Africa
- Internet service infrastructure providers based in Johannesburg, South Africa
- Internet service infrastructure providers based in London, United Kingdom
Cite this list
RevenueBase Data Team. Top 25 internet service infrastructure providers based in the United Kingdom. Snapshot: October 17, 2026. https://revenuebase.ai/companies/internet-service-infrastructure-providers/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
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- Internet service infrastructure providers based in Dhaka, Bangladesh
- Internet service infrastructure providers based in Curitiba, Brazil
- Internet service infrastructure providers based in Fortaleza, Brazil
- Internet service infrastructure providers based in Sao Paulo, Brazil
- Internet service infrastructure providers based in Paris, France
- Internet service infrastructure providers based in Bangalore, India