How GDS and DWP Worked Together to Improve GOV.UK One Login

Why It Matters

By simplifying identity verification, the rollout reduces barriers to essential government services and advances the UK’s digital inclusion agenda. It also showcases a scalable model for inter‑departmental data sharing that can lower costs and improve citizen experience.

Key Takeaways

• 16.6M users access 220 services via One Login.
• New KBV questions use DWP data for identity verification.
• Launched February 2026, expanding non‑app verification options.
• Early metrics show increased online verification success rates.
• Joint GDS‑DWP effort strengthens digital inclusion across departments.

Pulse Analysis

The UK government’s digital transformation hinges on a single, trusted identity layer. GOV.UK One Login already serves more than 16.6 million citizens, providing a gateway to over 220 public services ranging from tax filings to benefit claims. Yet traditional verification—mobile app, photo ID, or post‑office visits—excludes users lacking the required devices or documents. Recognising this gap, the Government Digital Service (GDS) has prioritized inclusive design, seeking ways to confirm identity with data that citizens already possess.

In February 2026 GDS and the Department for Work and Pensions (DWP) launched Knowledge‑Based Verification (KBV) questions built from information DWP already holds, such as benefit entitlement and contribution records. These KBV prompts allow users who cannot access the app or lack photo ID to prove who they are by answering personal, data‑driven queries. Early monitoring indicates a measurable rise in successful online verifications, reducing reliance on physical post‑office appointments. By leveraging existing government data, the new flow cuts friction, accelerates service access, and moves the UK closer to a truly universal digital front door.

The partnership illustrates how cross‑departmental data sharing can strengthen the nation’s digital public infrastructure. While integrating DWP records into One Login required careful governance and joint problem‑solving, the teams’ collaborative model sets a precedent for future initiatives—whether linking HMRC, DVLA or health services. As more KBV question sets roll out, the government expects broader inclusion, higher transaction volumes, and lower operational costs. Continued monitoring will fine‑tune the experience, but the early success signals that a unified, data‑rich identity ecosystem is becoming a cornerstone of modern UK public services.