MPs brand NS&I's 3B IT overhaul a 'full-spectrum disaster'
NS&I's long-running digital transformation has become a mismanaged, delayed program costing roughly £3 billion and exposing taxpayers to unacceptable risks.
NS&I digital overhaul is 1.3B over budget and 4 years late
NS&I exceeded its Project Rainbow budget by £1.3 billion and delayed the programme four years due to procurement failures, technical complexity and insufficient commercial experience.
NS&I tech overhaul blows past Treasury spending limits
We are working through the first version of the integrated plan we hoped would give us that [assurance]. I can tell you now that [plan] goes beyond March 2028 and it goes beyond our cost profile, and we are working to improve that,