Company lists · Data refreshed September 2026
Top 25 Internet infrastructure providers based in the United Kingdom
RevenueBase identified 194 company matches for internet infrastructure providers associated with the United Kingdom as of September 2026 and tracks 11,628 professional contacts across them, including 5,114 with verified work emails. London is the largest hub.
This list covers company matches for internet 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 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.
The 25 largest internet infrastructure providers based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,233 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 | |||||
| 2 | 470 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 416 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 362 contacts → | ||||
Exact match “euNetworks (@euNetworks) is a European provider of bandwidth infrastructure services.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 273 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 | |||||
| 6 | 226 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 179 contacts → | ||||
Exact match “RETN is one of the fastest-growing independent Eurasian network services providers, awarded the title of Innovation Disruptor of the Year, at the prestigious Global Connectivity…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 158 contacts → | ||||
Exact match “Viberoptix delivers frontline services to fibre networks providers across the UK and Ireland.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 122 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 115 contacts → | ||||
Exact match “Sparta Telecom was established in Luton Bedfordshire in 2011.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 99 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 93 contacts → | ||||
Exact match “SkyVision is a leading global communications service provider, offering solutions over satellite and fiber optic systems.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 93 contacts → | ||||
Exact match “Talia is a market-leading teleport, satellite and terrestrial network operator; providing secure global IP communications that allow enterprises to thrive.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 68 contacts → | ||||
Exact match “We're Lightning Fibre, a multi-award-winning, community-focused Full Fibre Hyperfast network operator and internet service provider based in the South East of England.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 61 contacts → | ||||
Exact match “KCOM has been a driver of innovation in the telecoms industry for more than a century; pushing the boundaries and pioneering new technology from our earliest days as a local phone…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 55 contacts → | ||||
Exact match “TNP Ltd.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 54 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 50 contacts → | ||||
Exact match “Operating at the intersection of renewable energy and digital infrastructure, we’re delivering the backbone of the digital world; powering critical services that blend efficiency…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 40 contacts → | ||||
Exact match “KNTC builds infrastructure for telecoms to deliver next generation access and connectivity for voice and data communication services on behalf of consumers and businesses.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 37 contacts → | ||||
Exact match “Exa Networks is one of the leading independent Internet Service Providers in the UK, specialising in providing businesses and schools with bespoke Internet services built from the…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 35 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 | |||||
| 22 | 28 contacts → | ||||
Exact match “Eloquent operates a range of platforms across various secure data centres in the UK, all of which are connected to our network and serve as the delivery point for our services.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 24 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 22 contacts → | ||||
Exact match “With over 30 years of experience in the telecoms industry we specialise in the installation of award-winning phone systems from some of the biggest names like Samsung, Siemens…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 22 contacts → | ||||
Exact match “nynet operates its own fibre network.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “internet 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 194 internet infrastructure providers based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 5,114 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Internet infrastructure providers based in the United Kingdom at a glance
As of Sep 20, 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 194 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 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 5,114 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 “internet infrastructure providers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many internet infrastructure providers are there based in the United Kingdom?
RevenueBase identified 194 company matches for internet infrastructure providers 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 internet infrastructure providers?
London leads with 38 company records, followed by Edinburgh (6) and Leeds (6).
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 5,114 professional contacts with verified work emails tracked across these 194 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.
Ready to reach these companies? Verified emails and direct dials for all 194 internet infrastructure providers based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Internet infrastructure providers by geography
- Internet infrastructure providers based in Argentina
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- Internet infrastructure providers based in Brazil
- Internet infrastructure providers based in Canada
- Internet infrastructure providers based in Czechia
- Internet infrastructure providers based in France
- Internet infrastructure providers based in Germany
- Internet infrastructure providers based in India
- Internet infrastructure providers based in Indonesia
- Internet infrastructure providers based in Iraq
- Internet infrastructure providers based in Italy
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 infrastructure providers based in Argentina
- Internet infrastructure providers based in Australia
- Internet infrastructure providers based in Bangladesh
- Internet infrastructure providers based in Brazil
- Internet infrastructure providers based in Canada
- Internet infrastructure providers based in Czechia
Company intelligence · public preview
Top 25 internet 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 194 matching company records for internet infrastructure providers based in the United Kingdom, with 11,628 tracked contacts and 5,114 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: September 20, 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 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 | 6,233 contacts → |
“Colt Technology Services (Colt) is a global digital infrastructure company which creates extraordinary connections to help businesses succeed.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Indigoindigotg.com HQ: Magor, United KingdomReported employees: 201-500 | Magor, United Kingdom | 201-500 | Exact match | 470 contacts → |
“Indigo engineers a digital future by designing, deploying, and supporting digital infrastructure for network owners and operators.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  EXA Infrastructureexainfra.netHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 416 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Eunetworkseunetworks.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 362 contacts → |
“euNetworks (@euNetworks) is a European provider of bandwidth infrastructure services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Magdalenemagdalene.co.ukHQ: St Ives, United KingdomReported employees: 201-500 | St Ives, United Kingdom | 201-500 | Exact match | 273 contacts → |
“Magdalene provides comprehensive independent solutions which address the individual needs of our customers throughout the Telecommunications Industry.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Airband Community Internetairband.co.ukHQ: Droitwich, United KingdomReported employees: 201-500 | Droitwich, United Kingdom | 201-500 | Exact match | 226 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  RETNretn.netHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 179 contacts → |
“RETN is one of the fastest-growing independent Eurasian network services providers, awarded the title of Innovation Disruptor of the Year, at the prestigious Global Connectivity…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Viberoptixviberoptix.com HQ: Coalisland, United KingdomReported employees: 501-1,000 | Coalisland, United Kingdom | 501-1,000 | Exact match | 158 contacts → |
“Viberoptix delivers frontline services to fibre networks providers across the UK and Ireland.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Commsworldcommsworld.comHQ: Edinburgh, United KingdomReported employees: 51-200 | Edinburgh, United Kingdom | 51-200 | Exact match | 122 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Sparta Telecom LTDspartatelecom.comHQ: Luton, United KingdomReported employees: 51-200 | Luton, United Kingdom | 51-200 | Exact match | 115 contacts → |
“Sparta Telecom was established in Luton Bedfordshire in 2011.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Spitfire Network Services LTDspitfire.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 99 contacts → |
“Spitfire Network Services is a UK-based, multi-award winning telecoms and ISP provider for businesses.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Skyvisionskyvision.netHQ: Borehamwood, United KingdomReported employees: 51-200 | Borehamwood, United Kingdom | 51-200 | Exact match | 93 contacts → |
“SkyVision is a leading global communications service provider, offering solutions over satellite and fiber optic systems.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Talia Communications Limitedtalia.net HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 93 contacts → |
“Talia is a market-leading teleport, satellite and terrestrial network operator; providing secure global IP communications that allow enterprises to thrive.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Lightning Fibrelightningfibre.co.ukHQ: Polegate, United KingdomReported employees: 51-200 | Polegate, United Kingdom | 51-200 | Exact match | 68 contacts → |
“We're Lightning Fibre, a multi-award-winning, community-focused Full Fibre Hyperfast network operator and internet service provider based in the South East of England.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Kcom Wholesalekcom.comHQ: Hull, United KingdomReported employees: 501-1,000 | Hull, United Kingdom | 501-1,000 | Exact match | 61 contacts → |
“KCOM has been a driver of innovation in the telecoms industry for more than a century; pushing the boundaries and pioneering new technology from our earliest days as a local phone…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | The Networking People TNPtnp.net.uk HQ: Lancaster, United KingdomReported employees: 51-200 | Lancaster, United Kingdom | 51-200 | Exact match | 55 contacts → |
“TNP Ltd.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Locktel LTDlocktelltd.co.uk HQ: Livingston, United KingdomReported employees: 51-200 | Livingston, United Kingdom | 51-200 | Exact match | 54 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 |  Apaturaapatura.energyHQ: York, United KingdomReported employees: 51-200 | York, United Kingdom | 51-200 | Exact match | 50 contacts → |
“Operating at the intersection of renewable energy and digital infrastructure, we’re delivering the backbone of the digital world; powering critical services that blend efficiency…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Kntc LTDkntc.co.ukHQ: Sidcup, United KingdomReported employees: 51-200 | Sidcup, United Kingdom | 51-200 | Exact match | 40 contacts → |
“KNTC builds infrastructure for telecoms to deliver next generation access and connectivity for voice and data communication services on behalf of consumers and businesses.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | EXA EXA Networks Limitedexa.net.uk HQ: Bradford, United KingdomReported employees: 11-50 | Bradford, United Kingdom | 11-50 | Exact match | 37 contacts → |
“Exa Networks is one of the leading independent Internet Service Providers in the UK, specialising in providing businesses and schools with bespoke Internet services built from the…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Telelink Infra Services UKtelelinkinfra.com HQ: Theale, United KingdomReported employees: 51-200 | Theale, United Kingdom | 51-200 | Exact match | 35 contacts → |
“Telelink provide the critical infrastructure that we all take for granted but has a major impact on our day-to-day life.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Eloquent Technologies Limitedeloquent-technologies-group.comHQ: Stratford Upon Avon, United KingdomReported employees: 11-50 | Stratford Upon Avon, United Kingdom | 11-50 | Exact match | 28 contacts → |
“Eloquent operates a range of platforms across various secure data centres in the UK, all of which are connected to our network and serve as the delivery point for our services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Horsebridge Network Systemshorsebridge.netHQ: Cheltenham, United KingdomReported employees: 51-200 | Cheltenham, United Kingdom | 51-200 | Exact match | 24 contacts → |
“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…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Fibre Telecoms UKfibretelecomsuk.co.uk HQ: Southampton, United KingdomReported employees: 11-50 | Southampton, United Kingdom | 11-50 | Exact match | 22 contacts → |
“With over 30 years of experience in the telecoms industry we specialise in the installation of award-winning phone systems from some of the biggest names like Samsung, Siemens…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | NYNETnynet.co.uk HQ: Harrogate, United KingdomReported employees: 11-50 | Harrogate, United Kingdom | 11-50 | Exact match | 22 contacts → |
“nynet operates its own fibre network.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 194 company matches
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Internet infrastructure providers: dataset insights
September 20, 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
192 records in the displayed employee bands.
2 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 194 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: September 20, 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 ↗
Questions about this company list
What does Exact match mean for internet 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 infrastructure providers did RevenueBase find based in the United Kingdom?
The saved snapshot records 194 matching company records, 11,628 tracked contacts and 5,114 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: September 20, 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 infrastructure providers by geography
- Internet infrastructure providers based in Argentina
- Internet infrastructure providers based in Australia
- Internet infrastructure providers based in Bangladesh
- Internet infrastructure providers based in Brazil
- Internet infrastructure providers based in Canada
- Internet infrastructure providers based in Czechia
- Internet infrastructure providers based in France
- Internet infrastructure providers based in Germany
- Internet infrastructure providers based in India
- Internet infrastructure providers based in Indonesia
- Internet infrastructure providers based in Iraq
- Internet infrastructure providers based in Italy
Cite this list
RevenueBase Data Team. Top 25 internet infrastructure providers based in the United Kingdom. Snapshot: September 20, 2026. https://revenuebase.ai/companies/internet-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 infrastructure providers based in Argentina
- Internet infrastructure providers based in Australia
- Internet infrastructure providers based in Bangladesh
- Internet infrastructure providers based in Brazil
- Internet infrastructure providers based in Canada
- Internet infrastructure providers based in Czechia
Company intelligence · public preview
Top 25 internet infrastructure providers based in the United Kingdom
RevenueBase records 194 matching company records for internet infrastructure providers based in the United Kingdom, with 11,628 tracked contacts and 5,114 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: September 20, 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 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 | 6,233 contacts → |
“Colt Technology Services (Colt) is a global digital infrastructure company which creates extraordinary connections to help businesses succeed.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Indigoindigotg.com HQ: Magor, United KingdomReported employees: 201-500 | Magor, United Kingdom | 201-500 | Exact match | 470 contacts → |
“Indigo engineers a digital future by designing, deploying, and supporting digital infrastructure for network owners and operators.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | EXA Infrastructureexainfra.net HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 416 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Eunetworkseunetworks.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 362 contacts → |
“euNetworks (@euNetworks) is a European provider of bandwidth infrastructure services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Magdalenemagdalene.co.uk HQ: St Ives, United KingdomReported employees: 201-500 | St Ives, United Kingdom | 201-500 | Exact match | 273 contacts → |
“Magdalene provides comprehensive independent solutions which address the individual needs of our customers throughout the Telecommunications Industry.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Airband Community Internetairband.co.uk HQ: Droitwich, United KingdomReported employees: 201-500 | Droitwich, United Kingdom | 201-500 | Exact match | 226 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | RETNretn.net HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 179 contacts → |
“RETN is one of the fastest-growing independent Eurasian network services providers, awarded the title of Innovation Disruptor of the Year, at the prestigious Global Connectivity…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Viberoptixviberoptix.com HQ: Coalisland, United KingdomReported employees: 501-1,000 | Coalisland, United Kingdom | 501-1,000 | Exact match | 158 contacts → |
“Viberoptix delivers frontline services to fibre networks providers across the UK and Ireland.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Commsworldcommsworld.com HQ: Edinburgh, United KingdomReported employees: 51-200 | Edinburgh, United Kingdom | 51-200 | Exact match | 122 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Sparta Telecom LTDspartatelecom.com HQ: Luton, United KingdomReported employees: 51-200 | Luton, United Kingdom | 51-200 | Exact match | 115 contacts → |
“Sparta Telecom was established in Luton Bedfordshire in 2011.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Spitfire Network Services LTDspitfire.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 99 contacts → |
“Spitfire Network Services is a UK-based, multi-award winning telecoms and ISP provider for businesses.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Skyvisionskyvision.net HQ: Borehamwood, United KingdomReported employees: 51-200 | Borehamwood, United Kingdom | 51-200 | Exact match | 93 contacts → |
“SkyVision is a leading global communications service provider, offering solutions over satellite and fiber optic systems.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Talia Communications Limitedtalia.net HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 93 contacts → |
“Talia is a market-leading teleport, satellite and terrestrial network operator; providing secure global IP communications that allow enterprises to thrive.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Lightning Fibrelightningfibre.co.uk HQ: Polegate, United KingdomReported employees: 51-200 | Polegate, United Kingdom | 51-200 | Exact match | 68 contacts → |
“We're Lightning Fibre, a multi-award-winning, community-focused Full Fibre Hyperfast network operator and internet service provider based in the South East of England.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Kcom Wholesalekcom.com HQ: Hull, United KingdomReported employees: 501-1,000 | Hull, United Kingdom | 501-1,000 | Exact match | 61 contacts → |
“KCOM has been a driver of innovation in the telecoms industry for more than a century; pushing the boundaries and pioneering new technology from our earliest days as a local phone…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | The Networking People TNPtnp.net.uk HQ: Lancaster, United KingdomReported employees: 51-200 | Lancaster, United Kingdom | 51-200 | Exact match | 55 contacts → |
“TNP Ltd.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Locktel LTDlocktelltd.co.uk HQ: Livingston, United KingdomReported employees: 51-200 | Livingston, United Kingdom | 51-200 | Exact match | 54 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Apaturaapatura.energy HQ: York, United KingdomReported employees: 51-200 | York, United Kingdom | 51-200 | Exact match | 50 contacts → |
“Operating at the intersection of renewable energy and digital infrastructure, we’re delivering the backbone of the digital world; powering critical services that blend efficiency…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Kntc LTDkntc.co.uk HQ: Sidcup, United KingdomReported employees: 51-200 | Sidcup, United Kingdom | 51-200 | Exact match | 40 contacts → |
“KNTC builds infrastructure for telecoms to deliver next generation access and connectivity for voice and data communication services on behalf of consumers and businesses.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | EXA EXA Networks Limitedexa.net.uk HQ: Bradford, United KingdomReported employees: 11-50 | Bradford, United Kingdom | 11-50 | Exact match | 37 contacts → |
“Exa Networks is one of the leading independent Internet Service Providers in the UK, specialising in providing businesses and schools with bespoke Internet services built from the…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Telelink Infra Services UKtelelinkinfra.com HQ: Theale, United KingdomReported employees: 51-200 | Theale, United Kingdom | 51-200 | Exact match | 35 contacts → |
“Telelink provide the critical infrastructure that we all take for granted but has a major impact on our day-to-day life.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Eloquent Technologies Limitedeloquent-technologies-group.com HQ: Stratford Upon Avon, United KingdomReported employees: 11-50 | Stratford Upon Avon, United Kingdom | 11-50 | Exact match | 28 contacts → |
“Eloquent operates a range of platforms across various secure data centres in the UK, all of which are connected to our network and serve as the delivery point for our services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Horsebridge Network Systemshorsebridge.net HQ: Cheltenham, United KingdomReported employees: 51-200 | Cheltenham, United Kingdom | 51-200 | Exact match | 24 contacts → |
“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…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Fibre Telecoms UKfibretelecomsuk.co.uk HQ: Southampton, United KingdomReported employees: 11-50 | Southampton, United Kingdom | 11-50 | Exact match | 22 contacts → |
“With over 30 years of experience in the telecoms industry we specialise in the installation of award-winning phone systems from some of the biggest names like Samsung, Siemens…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | NYNETnynet.co.uk HQ: Harrogate, United KingdomReported employees: 11-50 | Harrogate, United Kingdom | 11-50 | Exact match | 22 contacts → |
“nynet operates its own fibre network.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 194 company matches
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Internet infrastructure providers: dataset insights
September 20, 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
192 records in the displayed employee bands.
2 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 194 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: September 20, 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 ↗
Questions about this company list
What does Exact match mean for internet 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 infrastructure providers did RevenueBase find based in the United Kingdom?
The saved snapshot records 194 matching company records, 11,628 tracked contacts and 5,114 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: September 20, 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.
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Cite this list
RevenueBase Data Team. Top 25 internet infrastructure providers based in the United Kingdom. Snapshot: September 20, 2026. https://revenuebase.ai/companies/internet-infrastructure-providers/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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