Company lists · Data refreshed September 2026
Top 25 Enterprise internet service providers based in the United Kingdom
RevenueBase identified 256 company matches for enterprise internet service providers associated with the United Kingdom as of September 2026 and tracks 21,908 professional contacts across them, including 7,955 with verified work emails. London is the largest hub.
This list covers company matches for enterprise internet service 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 28, 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 enterprise internet service providers based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,839 contacts → | ||||
Exact match “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 in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 2 | 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 28, 2026 · View company records in RevenueBase | |||||
| 3 | 667 contacts → | ||||
Exact match “Innovation is at the core of Exponential-e, and has been since our inception in 2002.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 4 | 597 contacts → | ||||
Exact match “PXC is the UK’s leading wholesale provider of innovative solutions for connectivity, voice, cloud and security, underpinned by the UK’s most robust, secure, resilient and reliable…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 5 | 521 contacts → | ||||
Exact match “Zen is a B Corp certified telecommunications and technology service provider in the UK.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 6 | 443 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 · Sep 28, 2026 · View company records in RevenueBase | |||||
| 7 | 362 contacts → | ||||
Exact match “euNetworks (@euNetworks) is a European provider of bandwidth infrastructure services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 8 | 310 contacts → | ||||
Exact match “When it comes to business, there’s no city like London.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 9 | 266 contacts → | ||||
Exact match “Welcome to Aspire Technology Solutions!” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 10 | 262 contacts → | ||||
Exact match “We’re here to power the ambitions of London enterprises with a dedicated 100Gbps fibre network, managed IT and cybersecurity services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 11 | 242 contacts → | ||||
Exact match “Elevate makes seamless, secure intelligent networks as effortless as they should be.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 12 | 191 contacts → | ||||
Exact match “Welcome to Glide, the UK's leading business broadband provider specialising in hard-to-reach and difficult-to-serve locations.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 13 | 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 28, 2026 · View company records in RevenueBase | |||||
| 14 | 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 28, 2026 · View company records in RevenueBase | |||||
| 15 | 77 contacts → | ||||
Exact match “High-speed, low-latency connectivity.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 16 | 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 28, 2026 · View company records in RevenueBase | |||||
| 17 | 62 contacts → | ||||
Exact match “Onwave is a trusted provider of connectivity, networking services and geofencing solutions for businesses.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 18 | 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 28, 2026 · View company records in RevenueBase | |||||
| 19 | 56 contacts → | ||||
Exact match “Orbital Net helps UK businesses stay connected, from single-site SMEs in Kent to multi-site enterprises nationwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 20 | 55 contacts → | ||||
Exact match “TNP Ltd.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 21 | 49 contacts → | ||||
Exact match “We were founded on a culture of engineering excellence and innovation, IIJ is The Backbone of IT for our clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 22 | 45 contacts → | ||||
Exact match “Backbone Connect is a dynamic technology firm specialising in solving the unique technological challenges of commercial real estate.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 23 | 43 contacts → | ||||
Exact match “At Borwood, we believe that seamless, always-on communication is the foundation of global business success.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 24 | 43 contacts → | ||||
Exact match “Vaioni is a multi-award-winning network operator, delivering mission critical digital transformation solutions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 25 | 42 contacts → | ||||
Exact match “Updata Infrastructure part of Capita plc, is a pioneering connectivity services integrator.” Recorded in the RevenueBase company graph · Sep 28, 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 “enterprise internet service 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 256 enterprise internet service providers based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 7,955 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Enterprise internet service providers based in the United Kingdom at a glance
As of Sep 28, 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 256 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 “enterprise internet service 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 7,955 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 28, 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.
Enterprise internet service providers by metro
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “enterprise internet service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many enterprise internet service providers are there based in the United Kingdom?
RevenueBase identified 256 company matches for enterprise internet service 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?
Virgin Media tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most enterprise internet service providers?
London leads with 46 company records, followed by Leeds (10) and Reading (9).
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 7,955 professional contacts with verified work emails tracked across these 256 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 28, 2026.
Ready to reach these companies? Verified emails and direct dials for all 256 enterprise internet service providers based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Enterprise internet service providers by geography
- Enterprise internet service providers based in Sao Paulo, Brazil
- Enterprise internet service providers based in Johannesburg, South Africa
- Enterprise internet service providers based in London, United Kingdom
- Enterprise internet service providers based in New York, United States
- Enterprise internet service providers based in Argentina
- Enterprise internet service providers based in Australia
- Enterprise internet service providers based in Bangladesh
- Enterprise internet service providers based in Brazil
- Enterprise internet service providers based in Canada
- Enterprise internet service providers based in France
- Enterprise internet service providers based in Germany
- Enterprise internet service providers based in India
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
- Enterprise internet service providers based in Sao Paulo, Brazil
- Enterprise internet service providers based in Johannesburg, South Africa
- Enterprise internet service providers based in London, United Kingdom
- Enterprise internet service providers based in New York, United States
- Enterprise internet service providers based in Argentina
- Enterprise internet service providers based in Australia
Company intelligence · public preview
Top 25 enterprise 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 256 matching company records for enterprise internet service providers based in the United Kingdom, with 21,908 tracked contacts and 7,955 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 28, 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 enterprise 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 | 6,839 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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Exponential-Eexponential-e.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 667 contacts → |
“Innovation is at the core of Exponential-e, and has been since our inception in 2002.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  PXCpxc.co.ukHQ: Manchester, United KingdomReported employees: 1,001-5,000 | Manchester, United Kingdom | 1,001-5,000 | Exact match | 597 contacts → |
“PXC is the UK’s leading wholesale provider of innovative solutions for connectivity, voice, cloud and security, underpinned by the UK’s most robust, secure, resilient and reliable…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  ZEN Internetzen.co.ukHQ: Rochdale, United KingdomReported employees: 501-1,000 | Rochdale, United Kingdom | 501-1,000 | Exact match | 521 contacts → |
“Zen is a B Corp certified telecommunications and technology service provider in the UK.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Neos Networksneosnetworks.com HQ: Reading, United KingdomReported employees: 501-1,000 | Reading, United Kingdom | 501-1,000 | Exact match | 443 contacts → |
“We’re Neos Networks, a leading B2B telecoms provider with Britain’s biggest business-dedicated network.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  G.Network Communicationsg.networkHQ: West End, United KingdomReported employees: 501-1,000 | West End, United Kingdom | 501-1,000 | Exact match | 310 contacts → |
“When it comes to business, there’s no city like London.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Aspire Technology Solutionsaspirets.comHQ: Gateshead, United KingdomReported employees: 201-500 | Gateshead, United Kingdom | 201-500 | Exact match | 266 contacts → |
“Welcome to Aspire Technology Solutions!” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Vorbossvorboss.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 262 contacts → |
“We’re here to power the ambitions of London enterprises with a dedicated 100Gbps fibre network, managed IT and cybersecurity services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Elevateelevate.ukHQ: Manchester, United KingdomReported employees: 201-500 | Manchester, United Kingdom | 201-500 | Exact match | 242 contacts → |
“Elevate makes seamless, secure intelligent networks as effortless as they should be.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Glide UKglide.co.ukHQ: Kenn, United KingdomReported employees: 201-500 | Kenn, United Kingdom | 201-500 | Exact match | 191 contacts → |
“Welcome to Glide, the UK's leading business broadband provider specialising in hard-to-reach and difficult-to-serve locations.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Clarus Networksclarus-networks.comHQ: Whitehill Industrial Estate, United KingdomReported employees: 51-200 | Whitehill Industrial Estate, United Kingdom | 51-200 | Exact match | 77 contacts → |
“High-speed, low-latency connectivity.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Onwaveonwave.comHQ: West Malling, United KingdomReported employees: 51-200 | West Malling, United Kingdom | 51-200 | Exact match | 62 contacts → |
“Onwave is a trusted provider of connectivity, networking services and geofencing solutions for businesses.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Orbital NETorbital.net HQ: Bekesbourne, United KingdomReported employees: 51-200 | Bekesbourne, United Kingdom | 51-200 | Exact match | 56 contacts → |
“Orbital Net helps UK businesses stay connected, from single-site SMEs in Kent to multi-site enterprises nationwide.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | 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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  IIJ Europeiij.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 49 contacts → |
“We were founded on a culture of engineering excellence and innovation, IIJ is The Backbone of IT for our clients.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Backbone Connectbackboneconnect.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 45 contacts → |
“Backbone Connect is a dynamic technology firm specialising in solving the unique technological challenges of commercial real estate.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Borwoodborwood.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 43 contacts → |
“At Borwood, we believe that seamless, always-on communication is the foundation of global business success.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Vaioni Group Limitedvaioni.com HQ: Salford, United KingdomReported employees: 11-50 | Salford, United Kingdom | 11-50 | Exact match | 43 contacts → |
“Vaioni is a multi-award-winning network operator, delivering mission critical digital transformation solutions.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Updata Infrastructureupdata.netHQ: Reigate, United KingdomReported employees: 501-1,000 | Reigate, United Kingdom | 501-1,000 | Exact match | 42 contacts → |
“Updata Infrastructure part of Capita plc, is a pioneering connectivity services integrator.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 256 company matches
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Enterprise internet service providers: dataset insights
September 28, 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
254 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 256 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 28, 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 ↗
Enterprise internet service providers by metro
Questions about this company list
What does Exact match mean for enterprise 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 enterprise internet service providers did RevenueBase find based in the United Kingdom?
The saved snapshot records 256 matching company records, 21,908 tracked contacts and 7,955 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 28, 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
Enterprise internet service providers by geography
- Enterprise internet service providers based in Sao Paulo, Brazil
- Enterprise internet service providers based in Johannesburg, South Africa
- Enterprise internet service providers based in London, United Kingdom
- Enterprise internet service providers based in New York, United States
- Enterprise internet service providers based in Argentina
- Enterprise internet service providers based in Australia
- Enterprise internet service providers based in Bangladesh
- Enterprise internet service providers based in Brazil
- Enterprise internet service providers based in Canada
- Enterprise internet service providers based in France
- Enterprise internet service providers based in Germany
- Enterprise internet service providers based in India
Cite this list
RevenueBase Data Team. Top 25 enterprise internet service providers based in the United Kingdom. Snapshot: September 28, 2026. https://revenuebase.ai/companies/enterprise-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
- Enterprise internet service providers based in Sao Paulo, Brazil
- Enterprise internet service providers based in Johannesburg, South Africa
- Enterprise internet service providers based in London, United Kingdom
- Enterprise internet service providers based in New York, United States
- Enterprise internet service providers based in Argentina
- Enterprise internet service providers based in Australia
Company intelligence · public preview
Top 25 enterprise internet service providers based in the United Kingdom
RevenueBase records 256 matching company records for enterprise internet service providers based in the United Kingdom, with 21,908 tracked contacts and 7,955 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 28, 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 enterprise 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 | 6,839 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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Exponential-Eexponential-e.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 667 contacts → |
“Innovation is at the core of Exponential-e, and has been since our inception in 2002.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | PXCpxc.co.uk HQ: Manchester, United KingdomReported employees: 1,001-5,000 | Manchester, United Kingdom | 1,001-5,000 | Exact match | 597 contacts → |
“PXC is the UK’s leading wholesale provider of innovative solutions for connectivity, voice, cloud and security, underpinned by the UK’s most robust, secure, resilient and reliable…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | ZEN Internetzen.co.uk HQ: Rochdale, United KingdomReported employees: 501-1,000 | Rochdale, United Kingdom | 501-1,000 | Exact match | 521 contacts → |
“Zen is a B Corp certified telecommunications and technology service provider in the UK.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Neos Networksneosnetworks.com HQ: Reading, United KingdomReported employees: 501-1,000 | Reading, United Kingdom | 501-1,000 | Exact match | 443 contacts → |
“We’re Neos Networks, a leading B2B telecoms provider with Britain’s biggest business-dedicated network.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | G.Network Communicationsg.network HQ: West End, United KingdomReported employees: 501-1,000 | West End, United Kingdom | 501-1,000 | Exact match | 310 contacts → |
“When it comes to business, there’s no city like London.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Aspire Technology Solutionsaspirets.com HQ: Gateshead, United KingdomReported employees: 201-500 | Gateshead, United Kingdom | 201-500 | Exact match | 266 contacts → |
“Welcome to Aspire Technology Solutions!” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Vorbossvorboss.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 262 contacts → |
“We’re here to power the ambitions of London enterprises with a dedicated 100Gbps fibre network, managed IT and cybersecurity services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Elevateelevate.uk HQ: Manchester, United KingdomReported employees: 201-500 | Manchester, United Kingdom | 201-500 | Exact match | 242 contacts → |
“Elevate makes seamless, secure intelligent networks as effortless as they should be.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Glide UKglide.co.uk HQ: Kenn, United KingdomReported employees: 201-500 | Kenn, United Kingdom | 201-500 | Exact match | 191 contacts → |
“Welcome to Glide, the UK's leading business broadband provider specialising in hard-to-reach and difficult-to-serve locations.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | 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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Clarus Networksclarus-networks.com HQ: Whitehill Industrial Estate, United KingdomReported employees: 51-200 | Whitehill Industrial Estate, United Kingdom | 51-200 | Exact match | 77 contacts → |
“High-speed, low-latency connectivity.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | 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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Onwaveonwave.com HQ: West Malling, United KingdomReported employees: 51-200 | West Malling, United Kingdom | 51-200 | Exact match | 62 contacts → |
“Onwave is a trusted provider of connectivity, networking services and geofencing solutions for businesses.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | 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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Orbital NETorbital.net HQ: Bekesbourne, United KingdomReported employees: 51-200 | Bekesbourne, United Kingdom | 51-200 | Exact match | 56 contacts → |
“Orbital Net helps UK businesses stay connected, from single-site SMEs in Kent to multi-site enterprises nationwide.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | 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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | IIJ Europeiij.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 49 contacts → |
“We were founded on a culture of engineering excellence and innovation, IIJ is The Backbone of IT for our clients.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Backbone Connectbackboneconnect.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 45 contacts → |
“Backbone Connect is a dynamic technology firm specialising in solving the unique technological challenges of commercial real estate.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Borwoodborwood.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 43 contacts → |
“At Borwood, we believe that seamless, always-on communication is the foundation of global business success.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Vaioni Group Limitedvaioni.com HQ: Salford, United KingdomReported employees: 11-50 | Salford, United Kingdom | 11-50 | Exact match | 43 contacts → |
“Vaioni is a multi-award-winning network operator, delivering mission critical digital transformation solutions.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Updata Infrastructureupdata.net HQ: Reigate, United KingdomReported employees: 501-1,000 | Reigate, United Kingdom | 501-1,000 | Exact match | 42 contacts → |
“Updata Infrastructure part of Capita plc, is a pioneering connectivity services integrator.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 256 company matches
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Enterprise internet service providers: dataset insights
September 28, 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
254 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 256 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 28, 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 ↗
Enterprise internet service providers by metro
Questions about this company list
What does Exact match mean for enterprise 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 enterprise internet service providers did RevenueBase find based in the United Kingdom?
The saved snapshot records 256 matching company records, 21,908 tracked contacts and 7,955 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 28, 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
Enterprise internet service providers by geography
- Enterprise internet service providers based in Sao Paulo, Brazil
- Enterprise internet service providers based in Johannesburg, South Africa
- Enterprise internet service providers based in London, United Kingdom
- Enterprise internet service providers based in New York, United States
- Enterprise internet service providers based in Argentina
- Enterprise internet service providers based in Australia
- Enterprise internet service providers based in Bangladesh
- Enterprise internet service providers based in Brazil
- Enterprise internet service providers based in Canada
- Enterprise internet service providers based in France
- Enterprise internet service providers based in Germany
- Enterprise internet service providers based in India
Cite this list
RevenueBase Data Team. Top 25 enterprise internet service providers based in the United Kingdom. Snapshot: September 28, 2026. https://revenuebase.ai/companies/enterprise-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
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- New lists
- Enterprise internet service providers based in Sao Paulo, Brazil
- Enterprise internet service providers based in Johannesburg, South Africa
- Enterprise internet service providers based in London, United Kingdom
- Enterprise internet service providers based in New York, United States
- Enterprise internet service providers based in Argentina
- Enterprise internet service providers based in Australia