Defence Infrastructure Organisation (DIO) tenders & contract awards
The Defence Infrastructure Organisation (DIO) manages the UK defence estate — bases, training areas and service accommodation — and is the buyer for construction, facilities management and estates services across defence.
Open Defence Infrastructure Organisation (DIO) tenders
- Fire Alarm System Installation at BATUK
published 24/08/2026 · deadline 12/10/2026
- Building 260 Refurbishment BATSUB
published 10/08/2026 · deadline 14/09/2026
- Building 260 Refurbishment BATSUB
published 10/08/2026 · deadline 14/09/2026
Recent Defence Infrastructure Organisation (DIO) contract awards
- 715899500 - Whitegate Farm Legal Advice
awarded 04/09/2026
- 715916490 - Continuation of Post Completion Activities - Annington Homes
awarded 04/09/2026 · £143,000
- Support to DHS transition HR workstream - phase 1
awarded 17/08/2026
- 715916490 - Continuation of Post Completion Activities - Annington Homes
awarded 14/08/2026 · £143,000
- Technical Support Provider to the Power Purchase Agreement (PPA) Pilot Programme
awarded 13/08/2026 · £300,000
- Network Support Services for ADHE - UK7 Notice
awarded 26/06/2026
- Installation of Roller Shutter Doors at Price Barracks, DIO Belize
awarded 24/06/2026
- Installation of Roller Shutter Doors at Price Barracks, DIO Belize
awarded 24/06/2026
The winning supplier behind every award — with win histories and first-time-winner flags — is part of the Operator plan.
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Notice data from the UK Find a Tender service, Open Government Licence v3.0. Explore live defence tenders or the defence awards tracker.