| AWS Swindon Data Centre | Amazon Web Services |  Swindon | — | — | — | OSM |
| Ada Infrastructure (Docklands) | Ada | London | — | — | — | PeeringDB |
| Amatis Newbury | Amatis Networks | Newbury | — | — | — | PeeringDB |
| Amazon Web Services | Amazon Web Services | United Kingdom | — | — | — | OSM |
| Ark Data Centres | Ark Data Centres | United Kingdom | — | — | — | OSM |
| Ark Data Centres | Ark Data Centres | United Kingdom | — | — | — | OSM |
| Ark Data Centres | Ark Data Centres | United Kingdom | — | — | — | OSM |
| Ark Data Centres | Ark Data Centres | United Kingdom | — | — | — | OSM |
| Ark Data Centres | Ark Data Centres | United Kingdom | — | — | — | OSM |
| Ark Data Centres | Ark Data Centres | United Kingdom | — | — | — | OSM |
| Ark Data Centres | Ark Data Centres | United Kingdom | — | — | — | OSM |
| Ark Data Centres - Longcross Park | Ark Data Centres | Chertsey | — | — | — | OSM |
| Ark Data Centres - Union Park | Ark Data Centres | Hayes | — | — | — | PeeringDB |
| Ark Data Centres Meridian Park | Ark Data Centres | London | — | — | — | OSM |
| Asanti - Farnborough | Asanti | Farnborough | — | — | — | OSM |
| Asanti Hamilton | — | Glasgow | — | — | — | OSM |
| Asanti Manchester | Asanti | Manchester | — | — | — | OSM |
| AtlasEdge DC Manchester MAN001 | AtlasEdge | Salford | — | 1 | — | PeeringDB |
| BA Boadicea House Data Centre | British Airways | United Kingdom | — | — | — | OSM |
| BT Computer Centre | — | St Albans | — | — | — | OSM |
| Blynx AIM Ltd | BLYNX AIM LTD | Cheltenham | — | — | — | PeeringDB |
| Blynx AIM Ltd. | BLYNX AIM LTD | Cheltenham | — | — | — | PeeringDB |
| Brighton Digital Exchange BTN1 | Brighton Digital Exchange (BDX) | Brighton | — | — | — | PeeringDB |
| British Telecom Computer Centre | BT | United Kingdom | — | — | — | OSM |
| CDL Strata Campus Data Centre | — | United Kingdom | — | — | — | OSM |
| CGI Datacenter | CGI | United Kingdom | — | — | — | OSM |
| CSD Network Services Ltd | Csd Network Services | Braintree | — | — | — | PeeringDB |
| CSquare London LHR3 | CSquare | United Kingdom | — | — | — | OSM |
| CapitaLand Ascendas REIT | CapitaLand Ascendas REIT | High Wycombe | — | — | — | OSM |
| Centerprise International (Distribution) | Centerprise International | Ystrad Mynach | — | — | — | OSM |
| Centerprise International Newport | Centerprise Cloud | Newport | — | — | — | OSM |
| CentriLogic Arlington (ARL) | Centrilogic | Bracknell | — | — | — | PeeringDB |
| Citibank Riverdale Data Centre | — | London | — | — | — | OSM |
| CityFibre Cabinets | CityFibre | United Kingdom | — | — | — | OSM |
| Colocker | Data Centre Investments Ltd | Milton Keynes | — | — | — | PeeringDB |
| Colt London 4 | Colt Data Centre Services | United Kingdom | — | — | — | OSM |
| Croydon | CapitaLand | Croydon | — | — | — | PeeringDB |
| CyrusOne London 4 | CyrusOne | Slough | — | — | — | PeeringDB |
| CyrusOne London 5 | CyrusOne | Slough | — | — | — | PeeringDB |
| DC01 -Baltic Creative | IX Liverpool | Liverpool | — | 4 | — | PeeringDB |
| DC02 - The Tapestry | IX Liverpool | Liverpool | — | 4 | — | PeeringDB |
| DXC Technology | — | Mitcheldean | — | — | — | OSM |
| DXC Wynyard Data Center | HPE | United Kingdom | — | — | — | OSM |
| Datacenta DIP | Datacenta Hosting | Winfrith Newburgh | — | — | — | PeeringDB |
| Digital Realty LGW15 | Digital Realty | United Kingdom | — | — | — | OSM |
| Digital Realty LGW16 | Digital Realty | United Kingdom | — | — | — | OSM |
| Digital Realty LHR13 | Digital Realty | United Kingdom | — | — | — | OSM |
| Digital Realty London LGW16 | Digital Realty | Crawley | — | — | — | PeeringDB |
| Digital Realty London LHR26 | Digital Realty | Slough | — | — | — | PeeringDB |
| Digital Space DC - Newark | Digital Space Group Limited | Newark | — | — | — | OSM |
| Digital Space DC - Newark | Digital Space Group Limited | Newark | — | — | — | OSM |
| Digital Space DC - Newark | Digital Space Group Limited | Newark | — | — | — | OSM |
| EE Data Centre | — | United Kingdom | — | — | — | OSM |
| EXA Datacenter Bracknell | EXA Infrastructure | Bracknell | — | — | 1 | PeeringDB |
| EXA Datacenter London (Citi) | EXA Infrastructure | London | — | — | 1 | PeeringDB |
| EXA Edge DC Peterborough | EXA Infrastructure | Peterborough | — | — | 1 | PeeringDB |
| EXA Edge DC Wherstead | EXA Infrastructure | Wherstead | — | — | 1 | PeeringDB |
| EXA Edge DC Wickford | EXA Infrastructure | Wickford | — | — | 1 | PeeringDB |
| Elland DC | Redcentric | Elland | — | — | — | PeeringDB |
| Entanet Telford DC3 | CityFibre Limited | Telford, Shropshire | — | — | — | PeeringDB |
| Evolution @ Agecroft Commerce Park | — | United Kingdom | — | — | — | OSM |
| Evolution @ Agecroft Commerce Park | — | United Kingdom | — | — | — | OSM |
| Evoque Data Center Solutions | — | Redditch | — | — | — | OSM |
| Experian | — | Nottingham | — | — | — | OSM |
| FLAG London | FLAG London | London | — | — | — | PeeringDB |
| Fast2host - Fast4networks Ltd | Fast2Host | Cambridge | — | — | — | PeeringDB |
| Fujitsu Data Centre | — | United Kingdom | — | — | — | OSM |
| Goldman Sachs | Goldman Sachs | East Grinstead | — | — | — | OSM |
| Google Datacentre Waltham Cross | Google | United Kingdom | — | — | — | OSM |
| Greenheys | Iomart | Manchester | — | — | — | PeeringDB |
| Grid Hosting Limited | Grid Hosting | Derby | — | — | — | PeeringDB |
| GridJet | — | Leeds | — | — | — | OSM |
| GridJet | — | Leeds | — | — | — | OSM |
| HSBC Data Centre | HSBC | United Kingdom | — | — | — | OSM |
| HSBC Wakefield Data Centre | — | United Kingdom | — | — | — | OSM |
| Hellermann Tyton Data | — | Northampton | — | — | — | OSM |
| Hertfordshire Data Centre | CapitaLand Ascendas REIT | Welwyn Garden City | — | — | — | OSM |
| Hive IT | — | United Kingdom | — | — | — | OSM |
| Hutchison 3G | — | Wednesbury | — | — | — | OSM |
| IBM Horsham | IBM | United Kingdom | — | — | — | OSM |
| IX Liverpool - MICT | IX Liverpool | Liverpool | — | — | — | PeeringDB |
| Imperium 315 | NYSE Euronext | Basildon | — | — | — | OSM |
| Insight Data Ltd | Insight Data | Weston-super-Mare | — | — | — | OSM |
| Internet Central | Internet Central | United Kingdom | — | — | — | OSM |
| Internet For Business Limited | IFB Aberdeen | Aberdeen | — | — | — | PeeringDB |
| Ionos | Ionos | United Kingdom | — | — | — | OSM |
| Iron Mountain | Iron Mountain Data Centers | Warrington | — | — | — | OSM |
| Itility BVDC | Itility | Manchester | — | — | — | PeeringDB |
| Kao Data KLON-01 | Kao Data | United Kingdom | — | — | — | OSM |
| Kao Data KLON-02 | Kao Data | United Kingdom | — | — | — | OSM |
| Kao Data KLON-05 | Kao Data Website | United Kingdom | — | — | — | OSM |
| Keppel Data Centres (Vodafone) - London | Vodafone | Bracknell | — | — | — | OSM |
| Keppel Data Centres | Cardiff Data Centre | Keppel Data Centres Holding Pte | Cardiff | — | — | — | PeeringDB |
| Keppel Data Centres | GV7 Data Centre | Keppel Data Centres Holding Pte | London | — | — | — | PeeringDB |
| Kyndryl UK Ltd | — | United Kingdom | — | — | — | OSM |
| Lincoln Rackhouse London | Lincoln Rackhouse | Camberley | — | — | — | PeeringDB |
| Lloyds Banking Group Copley | — | United Kingdom | — | — | — | OSM |
| Lumen Technologies | Lumen Technologies | Middlesbrough | — | — | — | OSM |
| Lumo Cloud | Lumo Cloud | London | — | — | — | PeeringDB |
| Microsoft Ireland | Microsoft Azure | Belfast | — | — | — | OSM |