Source: https://tendernation.io/suppliers/decommissioning-alliance Supplier profile # The Decommissioning Alliance Public sector contracts won, from published award notices [ Follow competitor](/login "Sign in to follow competitors")[ Compete for this work](/register) Contracts won 27 since 3 Jul 2014 Total awarded £46,322,931 where values were published Buyers 4 public bodies Latest win 10 Jun 2026 ## Contracts ending soon Contracts ending in the next 18 months. Buyers usually re-tender before the end date, so these are openings for competitors. - [DNWP0015/LOT2/Project Clipper](https://tendernation.io/opportunities/01a13d1e-efa3-7244-b771-d6d4aabc6da0/dnwp0015lot2project-clipper)[Sellafield Ltd](https://tendernation.io/buyers/sellafield-ltd) £5,728,146 Ends 1 Dec 2026 ## Recent contract awards - [DNWP0015/LOT2/Project Clipper](https://tendernation.io/opportunities/01a13d1e-efa3-7244-b771-d6d4aabc6da0/dnwp0015lot2project-clipper)[Sellafield Ltd](https://tendernation.io/buyers/sellafield-ltd) £5,728,146 10 Jun 2026 - [DNWP008.154/LOT2/ROV Support](https://tendernation.io/opportunities/01a13d1c-203c-7015-80af-7ba15ef52f83/dnwp008154lot2rov-support)[Sellafield Ltd](https://tendernation.io/buyers/sellafield-ltd) £1,296,273 23 Dec 2025 - [Task nr 172 TDA Management Capability](https://tendernation.io/opportunities/01a13cf3-1ec7-7326-bdac-faadc2bd666f/task-nr-172-tda-management-capability)[The Decommissioning Alliance](https://tendernation.io/buyers/the-decommissioning-alliance) £7,430,230 4 Apr 2024 - [Task 0170 FY 24/25 FGMSP Engineering Support](https://tendernation.io/opportunities/01a13ce9-8b80-7135-887b-1935f0e4b646/task-0170-fy-2425-fgmsp-engineering-support)[The Decommissioining Alliance](https://tendernation.io/buyers/the-decommissioining-alliance) £4,157,099 3 Apr 2024 - [Task 0171 FY 24/25 FGMSP Operational Support](https://tendernation.io/opportunities/01a13ce2-f41a-702f-908d-d9df4061b762/task-0171-fy-2425-fgmsp-operational-support)[The Decommissioning Alliance](https://tendernation.io/buyers/the-decommissioning-alliance) £3,048,250 3 Apr 2024 - [Task 0169 - PG12 - Ground Investigation Phase 2](https://tendernation.io/opportunities/01a13cf9-57e1-7297-b274-91dabcdda304/task-0169-pg12-ground-investigation-phase-2)[The Decommissioning Alliance](https://tendernation.io/buyers/the-decommissioning-alliance) £871,019 20 Mar 2024 - [DDP LOT 2 - TN0168 - Value Stream Improvements](https://tendernation.io/opportunities/01a13cc7-f51e-70f7-8fde-28acc032529e/ddp-lot-2-tn0168-value-stream-improvements)[Sellafield Ltd](https://tendernation.io/buyers/sellafield-ltd) £2,550,000 29 Sept 2023 - [DDP0163/CTM 8195/FGMSP/TDA Management Capability 2022/23](https://tendernation.io/opportunities/01a13ca4-e0b1-707a-9dcf-778ab1ce57e7/ddp0163ctm-8195fgmsptda-management-capability-202223)[CTM Portal for the NDA Shared Services Alliance](https://tendernation.io/buyers/ctm-portal-for-the-nda-shared-services-alliance) £3,287,276 3 Oct 2022 - [DDP Task 0156/CTM 8006/FGMSP/ Wetbays Stream Task FY 22/23](https://tendernation.io/opportunities/01a13ca8-5369-73e8-a287-038fbe244978/ddp-task-0156ctm-8006fgmsp-wetbays-stream-task-fy-2223)[CTM Portal for the NDA Shared Services Alliance](https://tendernation.io/buyers/ctm-portal-for-the-nda-shared-services-alliance) £2,860,000 22 Apr 2022 - [DDP Task 0155/CTM 8005/FGMSP/Decanner Stream Task FY 22/23](https://tendernation.io/opportunities/01a13ca5-f094-73a1-a0cd-c90eb6fa4ae6/ddp-task-0155ctm-8005fgmspdecanner-stream-task-fy-2223)[CTM Portal for the NDA Shared Services Alliance](https://tendernation.io/buyers/ctm-portal-for-the-nda-shared-services-alliance) £407,000 22 Apr 2022 - [LTP(TBC)/DDP0152/FGMSP/Engineering support 2022/23](https://tendernation.io/opportunities/01a13c9e-9745-706a-97d7-77af859fdb01/ltptbcddp0152fgmspengineering-support-202223)[CTM Portal for the NDA Shared Services Alliance](https://tendernation.io/buyers/ctm-portal-for-the-nda-shared-services-alliance) £1,996,349 20 Apr 2022 - [LTP (TBC)/DDP0149/CTM7760/FGMSP/BUFT Config D Model Update and Over Filter](https://tendernation.io/opportunities/01a13c68-06af-7226-9523-860a6745d006/ltp-tbcddp0149ctm7760fgmspbuft-config-d-model-update-and-over-filter)[CTM Portal for the NDA Shared Services Alliance](https://tendernation.io/buyers/ctm-portal-for-the-nda-shared-services-alliance) £126,227 6 Dec 2021 - [LTP(TBC)DDP0132/WP1 Installation of sonar heads](https://tendernation.io/opportunities/01a13c81-6d72-7254-9053-a4317255a070/ltptbcddp0132wp1-installation-of-sonar-heads)[CTM Portal for the NDA Shared Services Alliance](https://tendernation.io/buyers/ctm-portal-for-the-nda-shared-services-alliance) £875,309 13 Jul 2021 - [LTP(TBC)/DDP Task 0111/FGMSP/Engineering Support 2020/21](https://tendernation.io/opportunities/01a13c50-9ccf-7348-962b-1433be86f263/ltptbcddp-task-0111fgmspengineering-support-202021)[CTM Portal for the NDA Shared Services Alliance](https://tendernation.io/buyers/ctm-portal-for-the-nda-shared-services-alliance) £3,158,884 23 Mar 2020 - [DDP0110/FGMSP/Decanner roof clean up](https://tendernation.io/opportunities/01a13c59-b0c6-72f8-b714-cf407ddbf08b/ddp0110fgmspdecanner-roof-clean-up)[CTM Portal for the NDA Shared Services Alliance](https://tendernation.io/buyers/ctm-portal-for-the-nda-shared-services-alliance) £395,720 19 Dec 2019 ## Who they win from - [CTM Portal for the NDA Shared Services Alliance12 wins](https://tendernation.io/buyers/ctm-portal-for-the-nda-shared-services-alliance) - [Sellafield Ltd11 wins](https://tendernation.io/buyers/sellafield-ltd) - [The Decommissioning Alliance3 wins](https://tendernation.io/buyers/the-decommissioning-alliance) - [The Decommissioining Alliance1 win](https://tendernation.io/buyers/the-decommissioining-alliance) ## Bids named on award notices Bid for 1 contract: won 1, lost 0. Award notices have listed every bidder only since the Procurement Act (February 2025). ## What they win - [Architecture, engineering & surveying](https://tendernation.io/sectors/architecture-engineering-surveying)10 - [Construction work](https://tendernation.io/sectors/construction-work)7 - [Construction materials & structures](https://tendernation.io/sectors/construction-materials)5 - [IT services](https://tendernation.io/sectors/it-services)2 - [Other community & personal services](https://tendernation.io/sectors/community-personal-services)1 - [Industrial machinery](https://tendernation.io/sectors/industrial-machinery)1 Competing with The Decommissioning Alliance? TenderNation shows who wins each buyer's work, flags contracts coming up for renewal and emails you new tenders that fit. Free plan available. [All buyers](/buyers)[Start free ](/register) 14-day free trial, no card required