DatSov is a UK-registered cyber security and data-sovereignty consultancy that engineers sovereign infrastructure, secure communications, and zero-knowledge data governance for organisations that require total ownership of their code and data. Engagements span sovereign cloud and infrastructure builds, hardened mobile and secure communications, private and on-premise AI deployment, Cyber Essentials and Cyber Essentials Plus certification support, and migrations from Google Workspace and Microsoft 365 to UK/EU-controlled stacks. DatSov is a brand of ProSolve Ltd (Companies House 13955695), based in London.