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.
London currently has 28 confirmed data center or colocation companies with a presence here.
28Companies
Companies here
11:11 SystemsLondon Data CenterPENDING REVIEW Per 11:11 Systems's own site: The company states each UK data center, including this one, is ISO 27001 and ISO 14001 certified.
Ark Data CentresMeridian ParkPENDING REVIEW Meridian Park was built on a brownfield site that was formerly a distribution centre in north London, with construction starting in 2019 and practical completion around 2021.
CentersquareLHR2 (Docklands / LO3-LO4)CARRIER-NEUTRALPENDING REVIEW The Docklands campus consists of two buildings (LO3 and LO4) on Greenwich View in the Isle of Dogs and sits outside airport flight paths and away from COMAH hazard sites.
DeftLondon Data CenterCARRIER-NEUTRALPENDING REVIEW The site is described as providing access to more than 30 European markets and 80 internet exchanges, backed by a 1,000,000-gallon chilled water reserve.
Digital RealtyLondon facilities (five sites, former TelecityGroup, divested from Equinix)PENDING REVIEW As of 2016, Digital Realty's European portfolio included five London facilities acquired as a divestiture condition of Equinix's acquisition of TelecityGroup.
GleSYSLondon Equinix FacilityCARRIER-NEUTRALPENDING REVIEW Per GleSYS's own site: Glesys describes its London Equinix facility as delivering world-class network density and extensive international peering to expand digital reach at global scale.
Global SwitchLondon South (Nutmeg Lane)CARRIER-NEUTRALPENDING REVIEW Global Switch has publicly announced this as a new five-floor, roughly 290,000 sq ft (or per one report 40MW/27,000 sqm) building adjacent to its existing London East and North sites in Docklands, having received planning permission from Tower Hamlets Council.
Global SwitchLondon East (Global Switch House, 3 Nutmeg Lane)CARRIER-NEUTRALPENDING REVIEW This building was, at the time of its construction, described as the largest purpose-built data center in Europe, offering roughly 450,000 sq ft of net technical space across 11 floors.
Global SwitchLondon North (East India Dock House, 240 East India Dock Road)CARRIER-NEUTRALPENDING REVIEW This facility is a retrofit of the former Financial Times printing works and first opened as a data center in late 1999 during the dot-com boom.
HostDimeUK Data Center (1 Muirfield Crescent)CARRIER-NEUTRALPENDING REVIEW The facility operates inside a building shared with Digital Realty and suffered an extended, unresolved outage in March 2026 attributed to a contractual dispute with its colocation provider.
Keppel Data CentresGV7 Data CentrePENDING REVIEW This newly refurbished facility sits within a secure estate in Canary Wharf and has a total lettable area of about 540,869 sq ft, fully leased on a triple-net basis until the end of 2025.
NetwiseNetwise London East (NLE)CARRIER-NEUTRALPENDING REVIEW The facility is located a short distance from the major Telehouse Docklands interconnection campus and, following its 2024 expansion into an adjacent building, is being developed into a six-data-hall campus.
NetwiseNetwise London Central (NLC)PENDING REVIEW The Bermondsey site achieved one of London's lowest colocation PUE ratings, reportedly beating its 1.12 design target with a real-world PUE of 1.09–1.11 in its final years.
NTT Global Data CentersLondon 1 (LON1)CARRIER-NEUTRALPENDING REVIEW London 1's on-site substation can deliver 80 MVA of power, giving the facility significant scale-up potential.
OVHcloudLON1PENDING REVIEW This facility was built on a former telecom operator's site chosen for its proximity to two electrical substations providing high power capacity.
ServerChoiceLondon Data Centre (Farringdon Street)TIER 3CARRIER-NEUTRALPENDING REVIEW · 01438 532 300 · [email protected] This Zone 1 facility supports up to 20kW per rack and is marketed as OCP-ready with 100% renewable energy sourcing.
ST Telemedia Global Data CentresLONDON1 (Enfield)CARRIER-NEUTRALPENDING REVIEW LONDON1 comprises over 2,900 square metres of net technical data centre space delivering 4.2MW of IT load, with exceptional access to both the City of London and the Docklands.
ST Telemedia Global Data CentresLONDON2 (Hayes)TIER IIICARRIER-NEUTRALPENDING REVIEW LONDON2 was the first London data centre to deploy fresh-air evaporative cooling technology, achieving a site PUE below 1.2 and running on 100% renewable energy.
Telehouse EuropeTelehouse North TwoCARRIER-NEUTRALPENDING REVIEW · +44 20 7512 0080 · [email protected] This 24,000 sq m, $177 million data centre is stated to be the only UK facility with its own 132kV on-campus grid substation connected directly to the National Grid.
Telehouse EuropeTelehouse NorthCARRIER-NEUTRALPENDING REVIEW · +44 20 7512 0080 · [email protected] Opened in 1990, this building is recognized as the first purpose-built, carrier-neutral colocation data centre in Europe.
Telehouse EuropeTelehouse SouthCARRIER-NEUTRALPENDING REVIEW · +44 20 7512 0080 · [email protected] Telehouse partnered with cooling vendors Accelsius, EkkoSense, JetCool and Legrand to open a liquid-cooling demonstration lab at this site.
Vantage Data CentersLHR2PENDING REVIEW LHR2 is a six-story data center in Park Royal, West London, spanning approximately 194,000 square feet.
Verne GlobalVolta (London Data Center)PENDING REVIEW The London facility sits on two separate diverse power rings within London's upgraded 33kV network, which the operator ties to a 100% uptime service level agreement for clients.
Common Questions
Is there a carrier hotel in London?
Filled in per-city where applicable, from research data.
What colocation providers operate in London?
We've currently tracked 28 companies operating 39 facilities in London — see the company list above, and contact a provider directly to confirm current availability.
Is there an AI data center in London?
As of now, we don't have a confirmed AI-optimized (GPU-dense, liquid-cooled) data center on file for London, though some providers listed above may support AI workloads to varying degrees. We continue tracking new developments here.
Are there cloud providers in London?
Yes — we've identified 18 cloud providers with a presence in London. See the company list above, and contact a provider directly to confirm current availability.
Own or operate a data center in London? Add your listing →
Looking for something else?
Disclaimer: This page was compiled with a structured research and verification process from publicly available sources. A human decides whether each page is published, but individual facts — addresses, contact details, and whether a company operates in a given location — are not independently fact-checked by us. Where you see a “Verified” badge, it means multiple independent sources agreed, not that we personally confirmed it. Companies open, close, relocate, and change contact details without always updating public records, so treat everything here as a starting point, not a confirmed source. If you're making a business decision, verify directly with the provider. Notice something outdated or incorrect? You're welcome to let us know — this site is updated periodically.