Azure UK Data Residency 2025 — Regions, Rules and Gotchas
UK enterprises deploying Microsoft Azure must navigate data residency requirements under UK GDPR, the Data Protection Act 2018, and the new Data (Use and Access) Act 2025. Azure's UK South and UK West regions provide ICO-compliant data residency, though Microsoft cannot contractually guarantee absolute UK sovereignty for all workloads. This comprehensive guide examines Azure UK region architecture, ICO compliance requirements, pricing comparisons, sovereignty limitations, and implementation best practices for UK CIOs.
CTC Staff 18 December 2025