GOV.UK One Login is the UK government’s single sign-on and identity-verification service that lets people access central-government digital services with one account. It combines authentication with identity proofing to a defined assurance level, replacing a fragmented landscape of departmental logins. It is a national digital-identity infrastructure aligned with emerging standards for verifiable credentials and digital identity.
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- The service provides account creation, multi-factor authentication, and identity verification using documents and biometrics to meet government assurance standards. It aims to give departments a reusable, accessible identity layer while reducing duplication and fraud. Its roadmap intersects with wider digital-identity trust frameworks and the potential use of credentials held in citizen wallets.