Company lists · Data refreshed November 2026
Top 19 Dark fiber network operators based in the United Kingdom
RevenueBase identified 38 company matches for dark fiber network operators associated with the United Kingdom as of November 2026 and tracks 2,227 professional contacts across them, including 898 with verified work emails. London is the largest hub.
This list covers company matches for dark fiber network operators 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 November 6, 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 19 largest dark fiber network operators based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 462 contacts → | ||||
Exact match “We’re Neos Networks, a leading B2B telecoms provider with Britain’s biggest business-dedicated network.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 385 contacts → | ||||
Exact match “euNetworks (@euNetworks) is a European provider of bandwidth infrastructure services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 321 contacts → | ||||
Exact match “Interoute is part of EXA Infrastructure, the largest dedicated digital infrastructure platform connecting Europe and North America, and owns kilometres of fibre network across 34…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 286 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 238 contacts → | ||||
Exact match “ITS designs, builds and operates gigabit-capable full fibre networks, delivering the digital infrastructure that powers modern Britain.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 83 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 63 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 32 contacts → | ||||
Exact match “F&W Networks aims at deploying Fibre to the Premises (FTTP) and FWA systems in multiple locations across the UK to complement existing FTTP rollouts with the ultimate objective of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 23 contacts → | ||||
Exact match “nynet operates its own fibre network.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 13 contacts → | ||||
Exact match “OneFibre is an internet service created especially for the modern workplace.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 11 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 10 contacts → | ||||
Exact match “Boundless Networks was formed in 2015 following the merger of Boundless Communications and LN Communications.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 6 contacts → | ||||
Exact match “MyFibre designs, builds, owns and maintains fibre optic connectivity for metropolitan and campus-based clients, both on an Open-Access and private Point to Point basis.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 5 contacts → | ||||
Exact match “A locally owned and operated fibre provider for Cambridge and surrounding villages.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 4 contacts → | ||||
Exact match “FibreSpeed operates a high performance fibre network connecting North Wales to the global digital economy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 3 contacts → | ||||
Exact match “Metro Technologies, power and connectivity for the North's digital future.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 3 contacts → | ||||
Exact match “NextGenAccess network consists of 64 Exchange street cabinets across the UK with the ability to serve over premises with either copper or fibre services, ranging from xDSL to dark…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 1 contacts → | ||||
Exact match “Our model is to offer the lowest cost, widest footprint dark fibre telecoms networks.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 1 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 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 “dark fiber network operators”. 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 19 of 38 dark fiber network operators based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 898 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Dark fiber network operators based in the United Kingdom at a glance
As of Nov 6, 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 38 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 “dark fiber network operators” 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 898 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 November 6, 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 “dark fiber network operators”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many dark fiber network operators are there based in the United Kingdom?
RevenueBase identified 38 company matches for dark fiber network operators associated with the United Kingdom as of November 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?
Neos Networks tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most dark fiber network operators?
London leads with 13 company records, followed by Hull (2) and Leeds (2).
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 898 professional contacts with verified work emails tracked across these 38 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 38 dark fiber network operators based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Dark fiber network operators by geography
- Dark fiber network operators based in Brazil
- Dark fiber network operators based in France
- Dark fiber network operators based in Germany
- Dark fiber network operators based in Italy
- Dark fiber network operators based in the Netherlands
- Dark fiber network operators based in Spain
- Dark fiber network operators based in the United States
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
- Dark fiber network operators based in Brazil
- Dark fiber network operators based in France
- Dark fiber network operators based in Germany
- Dark fiber network operators based in Italy
- Dark fiber network operators based in the Netherlands
- Dark fiber network operators based in Spain
Company intelligence · public preview
Top 19 dark fiber network operators 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 38 matching company records for dark fiber network operators based in the United Kingdom, with 2,227 tracked contacts and 898 verified work emails.
This public preview shows 19 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 19 dark fiber network operators 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 |  Neos Networksneosnetworks.comHQ: Reading, United KingdomReported employees: 501-1,000 | Reading, United Kingdom | 501-1,000 | Exact match | 462 contacts → |
“We’re Neos Networks, a leading B2B telecoms provider with Britain’s biggest business-dedicated network.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Eunetworkseunetworks.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 385 contacts → |
“euNetworks (@euNetworks) is a European provider of bandwidth infrastructure services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Interouteexainfra.netHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 321 contacts → |
“Interoute is part of EXA Infrastructure, the largest dedicated digital infrastructure platform connecting Europe and North America, and owns kilometres of fibre network across 34…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Allpoints Fibre Networksallpointsfibre.ukHQ: Reading, United KingdomReported employees: 201-500 | Reading, United Kingdom | 201-500 | Exact match | 286 contacts → |
“We're a future-ready full fibre wholesaler, offering a seamless route to the UK’s largest full fibre networks.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  ITSitstechnologygroup.comHQ: Warrington, United KingdomReported employees: 51-200 | Warrington, United Kingdom | 51-200 | Exact match | 238 contacts → |
“ITS designs, builds and operates gigabit-capable full fibre networks, delivering the digital infrastructure that powers modern Britain.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Lightning Fibrelightningfibre.co.ukHQ: Polegate, United KingdomReported employees: 51-200 | Polegate, United Kingdom | 51-200 | Exact match | 83 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Kcom Wholesalekcom.comHQ: Hull, United KingdomReported employees: 501-1,000 | Hull, United Kingdom | 501-1,000 | Exact match | 63 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  F&w Networksfwnetworks.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 32 contacts → |
“F&W Networks aims at deploying Fibre to the Premises (FTTP) and FWA systems in multiple locations across the UK to complement existing FTTP rollouts with the ultimate objective of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  NYNETnynet.co.ukHQ: Harrogate, United KingdomReported employees: 11-50 | Harrogate, United Kingdom | 11-50 | Exact match | 23 contacts → |
“nynet operates its own fibre network.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Onefibreonefibre.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 13 contacts → |
“OneFibre is an internet service created especially for the modern workplace.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Cityfibre Wholesalecityfibre.comHQ: Telford Shropshire, United KingdomReported employees: 51-200 | Telford Shropshire, United Kingdom | 51-200 | Exact match | 11 contacts → |
“At CityFibre, we’re building a new, intelligent, open-access fibre network, purpose built for the data age.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Boundless Networksboundlessnetworks.co.uk HQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Boundless Networks was formed in 2015 following the merger of Boundless Communications and LN Communications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Myfibremyfibre.co.ukHQ: Southampton, United KingdomReported employees: 1-10 | Southampton, United Kingdom | 1-10 | Exact match | 6 contacts → |
“MyFibre designs, builds, owns and maintains fibre optic connectivity for metropolitan and campus-based clients, both on an Open-Access and private Point to Point basis.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Cambridge Fibre Networks Limitedcambridgefibre.ukHQ: Cambridge, United KingdomReported employees: 11-50 | Cambridge, United Kingdom | 11-50 | Exact match | 5 contacts → |
“A locally owned and operated fibre provider for Cambridge and surrounding villages.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Fibrespeedfibrespeed.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 4 contacts → |
“FibreSpeed operates a high performance fibre network connecting North Wales to the global digital economy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Metro Technologies LTDmetrotechnologies.co.ukHQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 3 contacts → |
“Metro Technologies, power and connectivity for the North's digital future.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Nextgenaccess LTDnextgenaccess.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 3 contacts → |
“NextGenAccess network consists of 64 Exchange street cabinets across the UK with the ability to serve over premises with either copper or fibre services, ranging from xDSL to dark…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  ATI Fibrenet LTDatifibrenet.comHQ: United KingdomReported employees: 1-10 | United Kingdom | 1-10 | Exact match | 1 contacts → |
“Our model is to offer the lowest cost, widest footprint dark fibre telecoms networks.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Custodiandc Limitedcustodiandc.comHQ: Maidstone, United KingdomReported employees: 1-10 | Maidstone, United Kingdom | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 19 of 38 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Dark fiber network operators: dataset insights
November 6, 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
36 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 38 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: November 6, 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 dark fiber network operators?
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 dark fiber network operators did RevenueBase find based in the United Kingdom?
The saved snapshot records 38 matching company records, 2,227 tracked contacts and 898 verified emails. The public preview displays 19 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: November 6, 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
Dark fiber network operators by geography
- Dark fiber network operators based in Brazil
- Dark fiber network operators based in France
- Dark fiber network operators based in Germany
- Dark fiber network operators based in Italy
- Dark fiber network operators based in the Netherlands
- Dark fiber network operators based in Spain
- Dark fiber network operators based in the United States
Cite this list
RevenueBase Data Team. Top 19 dark fiber network operators based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/dark-fiber-network-operators/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
- Dark fiber network operators based in Brazil
- Dark fiber network operators based in France
- Dark fiber network operators based in Germany
- Dark fiber network operators based in Italy
- Dark fiber network operators based in the Netherlands
- Dark fiber network operators based in Spain
Company intelligence · public preview
Top 19 dark fiber network operators based in the United Kingdom
RevenueBase records 38 matching company records for dark fiber network operators based in the United Kingdom, with 2,227 tracked contacts and 898 verified work emails.
This public preview shows 19 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 19 dark fiber network operators 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 | Neos Networksneosnetworks.com HQ: Reading, United KingdomReported employees: 501-1,000 | Reading, United Kingdom | 501-1,000 | Exact match | 462 contacts → |
“We’re Neos Networks, a leading B2B telecoms provider with Britain’s biggest business-dedicated network.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Eunetworkseunetworks.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 385 contacts → |
“euNetworks (@euNetworks) is a European provider of bandwidth infrastructure services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Interouteexainfra.net HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 321 contacts → |
“Interoute is part of EXA Infrastructure, the largest dedicated digital infrastructure platform connecting Europe and North America, and owns kilometres of fibre network across 34…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Allpoints Fibre Networksallpointsfibre.uk HQ: Reading, United KingdomReported employees: 201-500 | Reading, United Kingdom | 201-500 | Exact match | 286 contacts → |
“We're a future-ready full fibre wholesaler, offering a seamless route to the UK’s largest full fibre networks.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | ITSitstechnologygroup.com HQ: Warrington, United KingdomReported employees: 51-200 | Warrington, United Kingdom | 51-200 | Exact match | 238 contacts → |
“ITS designs, builds and operates gigabit-capable full fibre networks, delivering the digital infrastructure that powers modern Britain.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Lightning Fibrelightningfibre.co.uk HQ: Polegate, United KingdomReported employees: 51-200 | Polegate, United Kingdom | 51-200 | Exact match | 83 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Kcom Wholesalekcom.com HQ: Hull, United KingdomReported employees: 501-1,000 | Hull, United Kingdom | 501-1,000 | Exact match | 63 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | F&w Networksfwnetworks.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 32 contacts → |
“F&W Networks aims at deploying Fibre to the Premises (FTTP) and FWA systems in multiple locations across the UK to complement existing FTTP rollouts with the ultimate objective of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | NYNETnynet.co.uk HQ: Harrogate, United KingdomReported employees: 11-50 | Harrogate, United Kingdom | 11-50 | Exact match | 23 contacts → |
“nynet operates its own fibre network.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Onefibreonefibre.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 13 contacts → |
“OneFibre is an internet service created especially for the modern workplace.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Cityfibre Wholesalecityfibre.com HQ: Telford Shropshire, United KingdomReported employees: 51-200 | Telford Shropshire, United Kingdom | 51-200 | Exact match | 11 contacts → |
“At CityFibre, we’re building a new, intelligent, open-access fibre network, purpose built for the data age.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Boundless Networksboundlessnetworks.co.uk HQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Boundless Networks was formed in 2015 following the merger of Boundless Communications and LN Communications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Myfibremyfibre.co.uk HQ: Southampton, United KingdomReported employees: 1-10 | Southampton, United Kingdom | 1-10 | Exact match | 6 contacts → |
“MyFibre designs, builds, owns and maintains fibre optic connectivity for metropolitan and campus-based clients, both on an Open-Access and private Point to Point basis.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Cambridge Fibre Networks Limitedcambridgefibre.uk HQ: Cambridge, United KingdomReported employees: 11-50 | Cambridge, United Kingdom | 11-50 | Exact match | 5 contacts → |
“A locally owned and operated fibre provider for Cambridge and surrounding villages.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Fibrespeedfibrespeed.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 4 contacts → |
“FibreSpeed operates a high performance fibre network connecting North Wales to the global digital economy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Metro Technologies LTDmetrotechnologies.co.uk HQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 3 contacts → |
“Metro Technologies, power and connectivity for the North's digital future.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Nextgenaccess LTDnextgenaccess.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 3 contacts → |
“NextGenAccess network consists of 64 Exchange street cabinets across the UK with the ability to serve over premises with either copper or fibre services, ranging from xDSL to dark…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | ATI Fibrenet LTDatifibrenet.com HQ: United KingdomReported employees: 1-10 | United Kingdom | 1-10 | Exact match | 1 contacts → |
“Our model is to offer the lowest cost, widest footprint dark fibre telecoms networks.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Custodiandc Limitedcustodiandc.com HQ: Maidstone, United KingdomReported employees: 1-10 | Maidstone, United Kingdom | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 19 of 38 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Dark fiber network operators: dataset insights
November 6, 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
36 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 38 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: November 6, 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 dark fiber network operators?
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 dark fiber network operators did RevenueBase find based in the United Kingdom?
The saved snapshot records 38 matching company records, 2,227 tracked contacts and 898 verified emails. The public preview displays 19 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: November 6, 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
Dark fiber network operators by geography
- Dark fiber network operators based in Brazil
- Dark fiber network operators based in France
- Dark fiber network operators based in Germany
- Dark fiber network operators based in Italy
- Dark fiber network operators based in the Netherlands
- Dark fiber network operators based in Spain
- Dark fiber network operators based in the United States
Cite this list
RevenueBase Data Team. Top 19 dark fiber network operators based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/dark-fiber-network-operators/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
- Dark fiber network operators based in Brazil
- Dark fiber network operators based in France
- Dark fiber network operators based in Germany
- Dark fiber network operators based in Italy
- Dark fiber network operators based in the Netherlands
- Dark fiber network operators based in Spain