Data Centers in UK

Note: We are not affiliated with the data centers or companies listed below. Listings are compiled from public sources and have not been independently confirmed by us — please verify directly with the company before relying on this information.

As of the latest update, UK has confirmed data center activity across 3 states and 47 cities, with 48 companies represented.

Regions

• Berkshire
• Berkshire (Reading/Winnersh area)
• Buckinghamshire
• Greater London
• Greater London / Slough
• Greater Manchester
• Hampshire
• Harlow Enterprise Zone
• Hertfordshire
• Hertsmere
• London Docklands
• North London
• North West England
• Northumberland
• Slough
• South East England
• South Yorkshire
• Surrey
• Thames Valley
• Tyne and Wear
• UK Innovation Corridor
• Wales
• West London
• West London Availability Zone
• West Midlands

Cities

• Birmingham
• Birmingham
• Blyth
• Bracknell
• Bristol
• Camberley
• Cardiff
• Chertsey
• Chester
• Corsham
• Crawley
• Croydon
• Didcot
• Edinburgh
• Elstree
• Enfield
• Fareham
• Farnborough
• Feltham
• Feltham (London)
• Harlow
• Havant
• Hayes
• Hoddesdon
• Leeds
• London
• London (Dagenham)
• Maidenhead
• Manchester
• Milton Keynes
• Newcastle upon Tyne
• Newport
• North Shields
• Northolt
• Park Royal
• Reading
• Romford
• Rotherham
• Saunderton
• Slough
• St. Athan
• Stevenage
• Stockport
• Waltham Cross
• Watford
• Welwyn Garden City
• West Drayton
• Wokingham

Companies

• 11:11 Systems
• Aptum
• Ark Data Centres
• Aruba Cloud
• Atlantic.Net
• AtlasEdge
• AWS
• Centersquare
• CentriLogic
• Claranet
• CloudHQ
• Colt Data Centre Services
• CoreWeave
• CyrusOne
• DataBank
• Datum Datacentres
• Deft
• Digital Realty
• Equinix
• GleSYS
• Global Switch
• Google Cloud
• Green Mountain
• Hivelocity
• HostDime
• Iron Mountain Data Centers
• Kao Data
• Keppel Data Centres
• Lincoln Rackhouse
• Liquid Web
• M247
• Microsoft Azure
• Netwise
• nLighten
• NTT Global Data Centers
• Oracle Cloud Infrastructure
• OVHcloud
• Psychz Networks
• Pulsant
• QTS Data Centers
• Rackspace Technology
• ServerChoice
• ST Telemedia Global Data Centres
• Telehouse Europe
• Vantage Data Centers
• Verne Global
• Virtus Data Centres
• Yondr Group

AI Data Centers in UK

• Ark Data Centres (3)
• Centersquare (1)
• Colt Data Centre Services (1)
• CoreWeave (1)
• Kao Data (3)
• Pulsant (1)
• ServerChoice (1)
• ST Telemedia Global Data Centres (1)
• Telehouse Europe (1)

• Ark Data Centres Cody Park AI DATA CENTER TIER IIIPENDING REVIEW
  Cody Park sits adjacent to the former Qinetiq-linked Cody Technology Park and has been recognised as an award-winning modular data centre campus operational since 2011.
• Ark Data Centres Longcross Park AI DATA CENTER CARRIER-NEUTRALPENDING REVIEW
  Longcross Park hosts AI cloud provider Nebius, which has deployed thousands of NVIDIA HGX B300 GPUs and an initial 4,000 Blackwell Ultra GPUs in a purpose-built, liquid-ready hall, backed by an £807 million Ark investment commitment announced in 2026.
• Ark Data Centres Union Park AI DATA CENTER CARRIER-NEUTRALPENDING REVIEW
  Union Park is a roughly 56,000 m² campus with an eventual target of about 72MW, incorporating living roofs and onsite solar as part of its sustainability design.
• Centersquare Csquare LHR3-A / London Market (Winnersh Triangle) AI DATA CENTER CARRIER-NEUTRALPENDING REVIEW
  This 308,000+ square foot purpose-built facility offers connectivity via multiple carriers including Colt Technology Services, AT&T, and euNetworks, according to an independent facility database.
• Colt Data Centre Services Colt London (Hillingdon / Welwyn Garden City) AI DATA CENTER CARRIER-NEUTRALPENDING REVIEW
  One London-area Colt site is a 31MW hyperscale facility built across five floors in the West London borough of Hillingdon, while another legacy carrier-neutral site sits in Welwyn Garden City, about 35 minutes by train from King's Cross.
• CoreWeave CoreWeave Crawley (Digital Realty) AI DATA CENTER PENDING REVIEW
  This site, developed with Digital Realty, went live in October 2024 as one of Europe's largest NVIDIA H200 GPU deployments, powered entirely by renewable energy.
• Kao Data Kao Data KLON-06 AI DATA CENTER TIER III (EQUIVALENT) CARRIER-NEUTRALPENDING REVIEW
  This site, launched in 2022 following a £130 million investment from Infratil, was Kao Data's third facility and expanded its footprint into Slough, often cited as the UK's largest data centre hub.
• Kao Data Kao Data Harlow Campus AI DATA CENTER CARRIER-NEUTRALPENDING REVIEW
  The Harlow campus hosts Nvidia's Cambridge-1 supercomputer, which was described as the UK's most powerful supercomputer of its kind at deployment.
• Kao Data Kao Data KMAN-01 (Kenwood Point) AI DATA CENTER PENDING REVIEW
  This is Kao Data's first facility outside southern England, redeveloping a former 160,100 sq ft industrial warehouse in Reddish into what is billed as the north of England's largest data centre.
• Pulsant Milton Keynes SE-1 AI DATA CENTER PENDING REVIEW
  In 2026 Pulsant completed a £10 million, 1.2MW high-density data hall here purpose-built for AI, machine learning and accelerated computing workloads, positioned within the Oxford-Cambridge tech supercluster.
• ServerChoice ServerChoice Harlow Data Centre (within Kao Data KLON-01 campus) AI DATA CENTER TIER 3 CARRIER-NEUTRALPENDING REVIEW
  This facility sits inside Kao Data's award-winning KLON-01 campus, which is NVIDIA DGX-Ready and OCP-Ready certified and previously hosted the UK's Cambridge-1 supercomputer as part of NVIDIA's DGX Cloud program.
• ST Telemedia Global Data Centres VIRTUS Saunderton campus AI DATA CENTER PENDING REVIEW
  VIRTUS plans to invest around £1 billion in this Buckinghamshire campus to deliver 75MW of additional AI-ready capacity across four buildings, with the first due for service in late 2026.
• Telehouse Europe Telehouse North AI DATA CENTER CARRIER-NEUTRALPENDING REVIEW
  Opened in 1990, Telehouse North was Europe's first purpose-built colocation data centre and has been the primary home of the London Internet Exchange (LINX) since 1994.

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