Nscale will construct the data centres at existing BT infrastructure sites; BT will provide connectivity. Both companies are founding members of the new UK Sovereign AI Industry Forum. The deal deepens Nscale’s position as a central plank of the UK government’s national AI infrastructure strategy. BT Group and Nscale announced on 23 April 2026 that they are partnering to deliver sovereign AI data centres in the UK using Nvidia’s full-stack AI infrastructure. Under the arrangement, Nscale will build up to 14 megawatts of AI data centre capacity across three existing strategic BT sites in the UK. BT will provide the infrastructure and connectivity underpinning those sites. The three specific locations have not been disclosed. The partnership extends BT Business’s sovereign platform to offer new AI services for both the private and public sector, framed around regulatory compliance, data residency, and security requirements for UK-based organisations.…