Company lists · Data refreshed November 2026
Top 25 Internet service providers based in the United Kingdom
Find 166 internet service providers based in the United Kingdom, with company records and 11,068 contacts, including 2,898 email addresses. The list was updated in November 2026 and includes providers across the market, with London as the single most-represented city. Use it to research potential vendors, partners, and sales prospects.
Internet service providers are companies that provide internet access to households, businesses, public organizations, or other customers through wired, wireless, fiber, cable, satellite, or other network connections. This list covers companies that provide internet access services directly to residential, commercial, government, or institutional customers. Ranked by team size, largest first. Data current as of November 5, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest internet service providers based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 7,455 contacts → | ||||
Indirect evidence “We’re in the process of growing all parts of our business so we can connect more customers to the things and to the people they care about.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 2 | 539 contacts → | ||||
Indirect evidence “Zen is a B Corp certified telecommunications and technology service provider in the UK.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 3 | 421 contacts → | ||||
Indirect evidence “Comex is an established major strategic partner of choice within the telecommunication sector, across the United Kingdom and Ireland, offering an end to end solution.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 4 | 252 contacts → | ||||
Indirect evidence “Fast, reliable broadband.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 5 | 217 contacts → | ||||
Strong evidence “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…” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 6 | 207 contacts → | ||||
Indirect evidence “Welcome to Glide, the UK's leading business broadband provider specialising in hard-to-reach and difficult-to-serve locations.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 7 | 197 contacts → | ||||
Strong evidence “toob is a full-fibre broadband provider on a mission to bring fast, affordable and reliable internet for homes and businesses across England and Scotland.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 8 | 138 contacts → | ||||
Indirect evidence “At Truespeed, we're on a mission to bring ultrafast, full fibre broadband to homes, businesses and communities across the South West.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 9 | 137 contacts → | ||||
Indirect evidence “Welcome to Nano Fibre UK!” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 10 | 123 contacts → | ||||
Indirect evidence “Sparta Telecom was established in Luton Bedfordshire in 2011.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 11 | 110 contacts → | ||||
Indirect evidence “Spitfire Network Services is a UK-based, multi-award winning telecoms and ISP provider for businesses.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 12 | 101 contacts → | ||||
Strong evidence “Jurassic Fibre is a Devon based independent telecommunications company taking the internet experience for families and businesses to a whole new level.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 13 | 83 contacts → | ||||
Strong evidence “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.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 14 | 63 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 15 | 36 contacts → | ||||
Indirect evidence “Onestream is an independent home broadband provider growing fast by delivering an industry changing, world class customer experience, coupled with strong, reliable, and superfast…” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 16 | 29 contacts → | ||||
Indirect evidence “Telelink provide the critical infrastructure that we all take for granted but has a major impact on our day-to-day life.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 17 | 26 contacts → | ||||
Indirect evidence “At Atlas we’re in the business of communication, focusing on powering relationships by supplying technology that keeps you and your customers connected.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 18 | 25 contacts → | ||||
Indirect evidence “National Business Communications or NBC, is a Broadband, Connectivity and Telecoms Service Provider to Small Businesses across the British Isles.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 19 | 25 contacts → | ||||
Indirect evidence “Bigblu Broadband Plc is a broadband provider that delivers super-fast broadband using alternative technologies to homes and businesses that are unserved or underserved by fibre.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 20 | 24 contacts → | ||||
Indirect evidence “BeFibre's vision is simple: to future-proof the UK’s connectivity and deliver 'Broadband as it should Be™ ', by being the provider that keeps its promises.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 21 | 24 contacts → | ||||
Indirect evidence “Future proof with full fibre – where a fibre optic cable comes right into homes and businesses rather than to a street side cabinet.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 22 | 23 contacts → | ||||
Indirect evidence “nynet operates its own fibre network.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 23 | 23 contacts → | ||||
Indirect evidence “Award winning Business ISP.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 24 | 21 contacts → | ||||
Strong evidence “Origin Broadband is an internet service provider.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
| 25 | 18 contacts → | ||||
Indirect evidence “Our promise: Rural communities first 1Gb/s download speed with an unlimited, reliable connection Low environmental impact 🥳 Free for the first year.” Source: RevenueBase Database · checked Nov 5, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: internet service providers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names internet service providers.
- Partial evidence
- Its own public description names part of internet service providers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name internet service providers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 166 internet service providers based in the United Kingdom
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Internet service providers based in the United Kingdom at a glance
As of Nov 5, 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 166 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among internet service providers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United Kingdom whose own description of what they do matches “internet service providers”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names internet service providers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among internet service providers, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 2,898 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 5, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
How many internet service providers are based in the United Kingdom?
RevenueBase counts 166 internet service providers listed based in the United Kingdom. The directory also includes 11,068 contacts and 2,898 email addresses.
What does an internet service provider do?
An internet service provider delivers internet access to customers through network connections such as fiber, cable, wireless, or satellite. Providers may serve residential, business, government, or institutional customers.
Which city has the most internet service providers in the list?
London is the single most-represented city among the internet service providers on the list. The list was updated in November 2026.
Ready to reach these companies? Verified emails and direct dials for all 166 internet service providers based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Internet service providers by geography
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- Internet service providers based in Germany
- Internet service providers based in France
- Internet service providers based in Argentina
- Internet service providers based in Poland
- Internet service providers based in Australia
- Internet service providers based in the Netherlands
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Internet service providers based in Brazil
- Internet service providers based in the United States
- Internet service providers based in South Africa
- Internet service providers based in Spain
- Internet service providers based in Canada
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Company intelligence · public preview
Top 25 internet service 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 166 matching company records for internet service providers based in the United Kingdom, with 11,068 tracked contacts and 2,898 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: November 5, 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 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 |  Virgin Mediavirginmediao2.co.ukHQ: Reading, United KingdomReported employees: 10001+ | Reading, United Kingdom | 10001+ | Exact match | 7,455 contacts → |
“We’re in the process of growing all parts of our business so we can connect more customers to the things and to the people they care about.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  ZEN Internetzen.co.ukHQ: Rochdale, United KingdomReported employees: 501-1,000 | Rochdale, United Kingdom | 501-1,000 | Exact match | 539 contacts → |
“Zen is a B Corp certified telecommunications and technology service provider in the UK.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Comex 2000comex2000uk.comHQ: Derby, United KingdomReported employees: 501-1,000 | Derby, United Kingdom | 501-1,000 | Exact match | 421 contacts → |
“Comex is an established major strategic partner of choice within the telecommunication sector, across the United Kingdom and Ireland, offering an end to end solution.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Quickline Communications Limitedquickline.co.ukHQ: Hull, United KingdomReported employees: 201-500 | Hull, United Kingdom | 201-500 | Exact match | 252 contacts → |
“Fast, reliable broadband.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Airband Community Internetairband.co.ukHQ: Droitwich, United KingdomReported employees: 201-500 | Droitwich, United Kingdom | 201-500 | Exact match | 217 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Glide UKglide.co.ukHQ: Kenn, United KingdomReported employees: 201-500 | Kenn, United Kingdom | 201-500 | Exact match | 207 contacts → |
“Welcome to Glide, the UK's leading business broadband provider specialising in hard-to-reach and difficult-to-serve locations.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  TOOBtoob.co.ukHQ: Portsmouth, United KingdomReported employees: 201-500 | Portsmouth, United Kingdom | 201-500 | Exact match | 197 contacts → |
“toob is a full-fibre broadband provider on a mission to bring fast, affordable and reliable internet for homes and businesses across England and Scotland.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Truespeedtruespeed.comHQ: Bath, United KingdomReported employees: 51-200 | Bath, United Kingdom | 51-200 | Exact match | 138 contacts → |
“At Truespeed, we're on a mission to bring ultrafast, full fibre broadband to homes, businesses and communities across the South West.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Nano Fibre UK Limitednanofibre.co.ukHQ: Bradford, United KingdomReported employees: 201-500 | Bradford, United Kingdom | 201-500 | Exact match | 137 contacts → |
“Welcome to Nano Fibre UK!” Recorded description excerpt · November 5, 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 | 123 contacts → |
“Sparta Telecom was established in Luton Bedfordshire in 2011.” Recorded description excerpt · November 5, 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 | 110 contacts → |
“Spitfire Network Services is a UK-based, multi-award winning telecoms and ISP provider for businesses.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Jurassic Fibre Cuckoo Broadbandjurassic-fibre.comHQ: Exeter, United KingdomReported employees: 201-500 | Exeter, United Kingdom | 201-500 | Exact match | 101 contacts → |
“Jurassic Fibre is a Devon based independent telecommunications company taking the internet experience for families and businesses to a whole new level.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Onestreamonestream.co.ukHQ: Whiteley, United KingdomReported employees: 51-200 | Whiteley, United Kingdom | 51-200 | Exact match | 36 contacts → |
“Onestream is an independent home broadband provider growing fast by delivering an industry changing, world class customer experience, coupled with strong, reliable, and superfast…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Telelink Infra Services UKtelelinkinfra.com HQ: Theale, United KingdomReported employees: 51-200 | Theale, United Kingdom | 51-200 | Exact match | 29 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Atlas Communications NI LTDatlas-comms.comHQ: Belfast, United KingdomReported employees: 11-50 | Belfast, United Kingdom | 11-50 | Exact match | 26 contacts → |
“At Atlas we’re in the business of communication, focusing on powering relationships by supplying technology that keeps you and your customers connected.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  National Business Communicationsnbccloud.co.ukHQ: Kings Hill, United KingdomReported employees: 11-50 | Kings Hill, United Kingdom | 11-50 | Exact match | 25 contacts → |
“National Business Communications or NBC, is a Broadband, Connectivity and Telecoms Service Provider to Small Businesses across the British Isles.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Bigblu Broadband PLCbbb-plc.comHQ: Bicester, United KingdomReported employees: 201-500 | Bicester, United Kingdom | 201-500 | Exact match | 25 contacts → |
“Bigblu Broadband Plc is a broadband provider that delivers super-fast broadband using alternative technologies to homes and businesses that are unserved or underserved by fibre.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Befibrebe-fibre.co.ukHQ: Warrington, United KingdomReported employees: 51-200 | Warrington, United Kingdom | 51-200 | Exact match | 24 contacts → |
“BeFibre's vision is simple: to future-proof the UK’s connectivity and deliver 'Broadband as it should Be™ ', by being the provider that keeps its promises.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Lilaconnect UKlilaconnect.co.ukHQ: Newcastle-under-lyme, United KingdomReported employees: 51-200 | Newcastle-under-lyme, United Kingdom | 51-200 | Exact match | 24 contacts → |
“Future proof with full fibre – where a fibre optic cable comes right into homes and businesses rather than to a street side cabinet.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Fastnetfastnet.co.ukHQ: Brighton, United KingdomReported employees: 11-50 | Brighton, United Kingdom | 11-50 | Exact match | 23 contacts → |
“Award winning Business ISP.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Origin Broadbandoriginbroadband.com HQ: Rotherham, United KingdomReported employees: 51-200 | Rotherham, United Kingdom | 51-200 | Exact match | 21 contacts → |
“Origin Broadband is an internet service provider.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Gigalochgigaloch.comHQ: Glenrothes, United KingdomReported employees: 11-50 | Glenrothes, United Kingdom | 11-50 | Exact match | 18 contacts → |
“Our promise: Rural communities first 1Gb/s download speed with an unlimited, reliable connection Low environmental impact 🥳 Free for the first year.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 166 company matches
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Internet service providers: dataset insights
November 5, 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
163 records in the displayed employee bands.
3 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 166 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 5, 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 service 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 providers did RevenueBase find based in the United Kingdom?
The saved snapshot records 166 matching company records, 11,068 tracked contacts and 2,898 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: November 5, 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 providers by geography
- Internet service providers based in Brazil
- Internet service providers based in the United States
- Internet service providers based in South Africa
- Internet service providers based in Spain
- Internet service providers based in Canada
- Internet service providers based in Italy
- Internet service providers based in Germany
- Internet service providers based in France
- Internet service providers based in Argentina
- Internet service providers based in Poland
- Internet service providers based in Australia
- Internet service providers based in the Netherlands
Cite this list
RevenueBase Data Team. Top 25 internet service providers based in the United Kingdom. Snapshot: November 5, 2026. https://revenuebase.ai/companies/internet-service-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 providers based in Brazil
- Internet service providers based in the United States
- Internet service providers based in South Africa
- Internet service providers based in Spain
- Internet service providers based in Canada
- Internet service providers based in Italy
Company intelligence · public preview
Top 25 internet service providers based in the United Kingdom
RevenueBase records 166 matching company records for internet service providers based in the United Kingdom, with 11,068 tracked contacts and 2,898 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: November 5, 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 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 | Virgin Mediavirginmediao2.co.uk HQ: Reading, United KingdomReported employees: 10001+ | Reading, United Kingdom | 10001+ | Exact match | 7,455 contacts → |
“We’re in the process of growing all parts of our business so we can connect more customers to the things and to the people they care about.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | ZEN Internetzen.co.uk HQ: Rochdale, United KingdomReported employees: 501-1,000 | Rochdale, United Kingdom | 501-1,000 | Exact match | 539 contacts → |
“Zen is a B Corp certified telecommunications and technology service provider in the UK.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Comex 2000comex2000uk.com HQ: Derby, United KingdomReported employees: 501-1,000 | Derby, United Kingdom | 501-1,000 | Exact match | 421 contacts → |
“Comex is an established major strategic partner of choice within the telecommunication sector, across the United Kingdom and Ireland, offering an end to end solution.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Quickline Communications Limitedquickline.co.uk HQ: Hull, United KingdomReported employees: 201-500 | Hull, United Kingdom | 201-500 | Exact match | 252 contacts → |
“Fast, reliable broadband.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Airband Community Internetairband.co.uk HQ: Droitwich, United KingdomReported employees: 201-500 | Droitwich, United Kingdom | 201-500 | Exact match | 217 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Glide UKglide.co.uk HQ: Kenn, United KingdomReported employees: 201-500 | Kenn, United Kingdom | 201-500 | Exact match | 207 contacts → |
“Welcome to Glide, the UK's leading business broadband provider specialising in hard-to-reach and difficult-to-serve locations.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | TOOBtoob.co.uk HQ: Portsmouth, United KingdomReported employees: 201-500 | Portsmouth, United Kingdom | 201-500 | Exact match | 197 contacts → |
“toob is a full-fibre broadband provider on a mission to bring fast, affordable and reliable internet for homes and businesses across England and Scotland.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Truespeedtruespeed.com HQ: Bath, United KingdomReported employees: 51-200 | Bath, United Kingdom | 51-200 | Exact match | 138 contacts → |
“At Truespeed, we're on a mission to bring ultrafast, full fibre broadband to homes, businesses and communities across the South West.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Nano Fibre UK Limitednanofibre.co.uk HQ: Bradford, United KingdomReported employees: 201-500 | Bradford, United Kingdom | 201-500 | Exact match | 137 contacts → |
“Welcome to Nano Fibre UK!” Recorded description excerpt · November 5, 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 | 123 contacts → |
“Sparta Telecom was established in Luton Bedfordshire in 2011.” Recorded description excerpt · November 5, 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 | 110 contacts → |
“Spitfire Network Services is a UK-based, multi-award winning telecoms and ISP provider for businesses.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Jurassic Fibre Cuckoo Broadbandjurassic-fibre.com HQ: Exeter, United KingdomReported employees: 201-500 | Exeter, United Kingdom | 201-500 | Exact match | 101 contacts → |
“Jurassic Fibre is a Devon based independent telecommunications company taking the internet experience for families and businesses to a whole new level.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Onestreamonestream.co.uk HQ: Whiteley, United KingdomReported employees: 51-200 | Whiteley, United Kingdom | 51-200 | Exact match | 36 contacts → |
“Onestream is an independent home broadband provider growing fast by delivering an industry changing, world class customer experience, coupled with strong, reliable, and superfast…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Telelink Infra Services UKtelelinkinfra.com HQ: Theale, United KingdomReported employees: 51-200 | Theale, United Kingdom | 51-200 | Exact match | 29 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Atlas Communications NI LTDatlas-comms.com HQ: Belfast, United KingdomReported employees: 11-50 | Belfast, United Kingdom | 11-50 | Exact match | 26 contacts → |
“At Atlas we’re in the business of communication, focusing on powering relationships by supplying technology that keeps you and your customers connected.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | National Business Communicationsnbccloud.co.uk HQ: Kings Hill, United KingdomReported employees: 11-50 | Kings Hill, United Kingdom | 11-50 | Exact match | 25 contacts → |
“National Business Communications or NBC, is a Broadband, Connectivity and Telecoms Service Provider to Small Businesses across the British Isles.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Bigblu Broadband PLCbbb-plc.com HQ: Bicester, United KingdomReported employees: 201-500 | Bicester, United Kingdom | 201-500 | Exact match | 25 contacts → |
“Bigblu Broadband Plc is a broadband provider that delivers super-fast broadband using alternative technologies to homes and businesses that are unserved or underserved by fibre.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Befibrebe-fibre.co.uk HQ: Warrington, United KingdomReported employees: 51-200 | Warrington, United Kingdom | 51-200 | Exact match | 24 contacts → |
“BeFibre's vision is simple: to future-proof the UK’s connectivity and deliver 'Broadband as it should Be™ ', by being the provider that keeps its promises.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Lilaconnect UKlilaconnect.co.uk HQ: Newcastle-under-lyme, United KingdomReported employees: 51-200 | Newcastle-under-lyme, United Kingdom | 51-200 | Exact match | 24 contacts → |
“Future proof with full fibre – where a fibre optic cable comes right into homes and businesses rather than to a street side cabinet.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Fastnetfastnet.co.uk HQ: Brighton, United KingdomReported employees: 11-50 | Brighton, United Kingdom | 11-50 | Exact match | 23 contacts → |
“Award winning Business ISP.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Origin Broadbandoriginbroadband.com HQ: Rotherham, United KingdomReported employees: 51-200 | Rotherham, United Kingdom | 51-200 | Exact match | 21 contacts → |
“Origin Broadband is an internet service provider.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Gigalochgigaloch.com HQ: Glenrothes, United KingdomReported employees: 11-50 | Glenrothes, United Kingdom | 11-50 | Exact match | 18 contacts → |
“Our promise: Rural communities first 1Gb/s download speed with an unlimited, reliable connection Low environmental impact 🥳 Free for the first year.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 166 company matches
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Internet service providers: dataset insights
November 5, 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
163 records in the displayed employee bands.
3 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 166 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 5, 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 service 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 providers did RevenueBase find based in the United Kingdom?
The saved snapshot records 166 matching company records, 11,068 tracked contacts and 2,898 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: November 5, 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 service providers based in the United Kingdom. Snapshot: November 5, 2026. https://revenuebase.ai/companies/internet-service-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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