Between early 2021 and Spring 2022 NS&I is running a series of procurement exercises to select its future suppliers and establish new outsourcing arrangements and contracts
| Date | Milestone |
| 11 March 2021 | Publication of the Prior Information Notice |
| 20 April 2021 | Initial market engagement event |
| 18 May 2021 | Digital integration and ServiceOps – market engagement event |
| 18 August 2021 | Digital integration and ServiceOps – procurement launched |
| 5 October 2021 | Digital experience and digital enablement – market engagement event |
| 27 January 2022 | Customer contact and operations – market engagement event |
| 27 January 2022 | Core banking, payments and reporting – market engagement event |
| 10 February 2022 | Digital experience and digital enablement – procurement launched |
| 29 April 2022 | Customer contact and operations – procurement launched |
| 29 April 2022 | Core banking, payments and reporting – procurement launched |
| 31 May 2022 | Digital integration and ServiceOps – contract awarded to IBM |
| 31 March 2024 | NS&I’s current outsourcing contract with Atos ends |