# Amentum Clean Energy Ltd — UK public sector contract awards > A prime supplier profile built from sourced government contract award notices. ## Key facts - Awards: 45 - Known award value: £19,324,662 - First award: 18 October 2024 - Latest award: 16 July 2026 ## Top public sector buyers - [Nuclear Waste Services](/buyers/nuclear-waste-services/contract-awards) — 8 awards - [Nuclear Decommissioning Authority](/buyers/nuclear-decommissioning-authority/contract-awards) — 7 awards - [Sellafield Ltd](/buyers/sellafield-ltd/contract-awards) — 7 awards - [Nuclear Restoration Services Limited \(Dounreay\)](/buyers/nuclear-restoration-services-limited-dounreay/contract-awards) — 5 awards - [Defra](/buyers/defra/contract-awards) — 2 awards ## Contract awards ### [GK26-11 - In-active Drying Trials of AGR Slotted Cans \(Investigating Impact of Caustic Dosing and Carbon Deposits\)](/contracts/ocds-b5fd17-8f91304b-cef3-4794-b714-e7512eafbe9c) Nuclear Decommissioning Authority · £360,186 · 16 July 2026 · awarded ### [Prototype Fast Reactor Concrete Panels Methodology](/contracts/ocds-b5fd17-9e2e9859-74b4-4df4-856e-e7bcbdd2de7b) NRS Dounreay · £93,798 · 19 May 2026 · awarded ### [DNWP0061/LOT1A/CALDER R1 & R2 Filter Room Full Deplant](/contracts/ocds-b5fd17-f5d7189f-49c2-4dbd-b9e6-a3927b2aae7f) Sellafield Ltd · £184,647 · 23 June 2026 · awarded ### [CSSF-002 - GDF Criticality Safety Methodology and Assessments](/contracts/ocds-b5fd17-80416bbd-3d0a-4a38-95ac-cd18934853e8) Nuclear Waste Services · £40,000 · 20 May 2026 · awarded ### [CSSF-001 - Support to international post closure criticality safety projects\.](/contracts/ocds-b5fd17-38999145-f93d-4ec1-91b4-0de364e8e95e) Nuclear Waste Services · £20,000 · 3 June 2026 · awarded ### [Alternative Solutions Bulk Order Further Comp \(dummy\)](/contracts/ocds-b5fd17-154bebb8-226b-4e63-a976-5ccaa81a67b1) Nuclear Waste Services · £1,300,000 · 1 May 2026 · awarded ### [DNWP0053/LOT1A/CALDER F199 Demolition](/contracts/ocds-b5fd17-2d538a54-47e4-4c20-9d87-2cb9327e1768) Sellafield Ltd · £152,895 · 1 May 2026 · awarded ### [TECHNICAL SUPPORT PROVIDER \(TSP\): MUNITIONS \(DM\) GOSPORT - WATERFRONT MUNITIONS HANDLING FACILITY \(WMHF\) - BEDENHAM PIER](/contracts/ocds-b5fd17-ba2b6994-eee2-4edf-b405-0a01f5fac2ec) Defence Infrastructure Organisation · £4,500,000 · 23 April 2026 · awarded ### [DNWP0011/LOT1A/ CALDER R1 Discharge Bay Service Disconnections](/contracts/ocds-b5fd17-4a87ed8c-4e84-41dc-93f3-6e6b3872e0f4) Sellafield Ltd · £126,418 · 8 April 2026 · awarded ### [DNWP0058/LOT1A/CALDER WELFARE FACILITIES](/contracts/ocds-b5fd17-bb8cffce-75e4-4a2f-8902-239462b5fa86) Sellafield Ltd · £483,679 · 14 April 2026 · awarded ### [DNWP0062/LOT1A/ID - Hazard Reduction](/contracts/ocds-b5fd17-a609b7e4-fb37-4311-8366-419c3a1b887b) Sellafield Ltd · £1,735,663 · 31 March 2026 · awarded ### [DNWP0056/LOT1A/ Quaternary Borehole Restoration](/contracts/ocds-b5fd17-5ad5fb08-1f2d-4160-8e92-0f6699a01d4a) Sellafield · £80,736 · 26 March 2026 · awarded ### [ATO19 D2001 LC15 Peer Review](/contracts/ocds-b5fd17-44e6e0d8-a120-40d8-9e12-00336d6560a9) Nuclear Restoration Services Limited \(Dounreay\) · £170,967 · 24 March 2026 · awarded ### [\(06 - EDW&MR\) DC25-15](/contracts/ocds-b5fd17-c28275e2-fcfd-4fb8-8af2-6f59b31f5587) Nuclear Decommissioning Authority · £283,833 · 26 January 2026 · awarded ### [DNWP0059/LOT1A/Principal Designer Services](/contracts/ocds-b5fd17-109e2d88-c7a7-4054-b0d8-d8316ded6778) Sellafield Ltd · £499,560 · 17 February 2026 · awarded ### [DNWP Framework Digital Client Lead](/contracts/ocds-b5fd17-cc4e7996-e67a-445d-9315-f2be122a1087) Sellafield Ltd · £95,000 · 6 January 2026 · awarded ### [\(05 - SF&NM\) GK25-13](/contracts/ocds-b5fd17-67c4e8ea-13df-4d3d-94a8-ddd3d0a2318a) Nuclear Decommissioning Authority · £104,246 · 4 December 2025 · awarded ### [DNWP00013/LOT1A/ Lot 1A - Management \(Core Team\) FY 25/26](/contracts/ocds-b5fd17-93540b59-d1bd-4a8c-a59f-181878a6e3d1) Sellafield Limited · £219,923 · 17 December 2025 · awarded ### [Harwell Meashill Tunnel Remediation Works](/contracts/ocds-b5fd17-382a7ee9-1950-4721-9955-a3a87e48600f) Nuclear Restoration Services Ltd · £25,526 · 17 December 2025 · awarded ### [Feasibility of automated sample collection using a quadruped robot](/contracts/ocds-b5fd17-bf89e356-5a78-4195-bb9d-d82f8f08f993) UK Atomic Energy Authority · £194,602 · 16 December 2025 · awarded ### [DNWP0009/LOT1A/ Minor Tasks & Redundant Assets FY 25/26](/contracts/ocds-b5fd17-4e3262ac-cc2b-469e-88b3-28e0c65bb869) Sellafield Limited · £3,383,176 · 15 December 2025 · awarded ### [Harwell B418 ecological surveys - Preliminary Ecological Appraisal \(PEA\)](/contracts/ocds-b5fd17-df7f518b-f5ac-4dcd-84b4-6d503619a360) Nuclear Restoration Services Ltd · £8,214 · 8 September 2025 · awarded ### [\(04 - SF&NM\) GK25-14](/contracts/ocds-b5fd17-09d3db53-9e8f-4547-b9a7-b1079e518d55) Nuclear Decommissioning Authority · £148,237 · 17 October 2025 · awarded ### [CBRN Framework Call Off - Incident Planning Operations Sept 2025](/contracts/ocds-b5fd17-1a0d14fb-d6f9-43d9-a856-5cfc3928d7e5) Defra · £20,949 · 1 September 2025 · awarded ### [PFR Raffinate Cement Trials](/contracts/ocds-b5fd17-1e5b32e7-b9cb-49cb-af3b-63dc4b210d4e) NRS Dounreay · £85,878 · 17 October 2025 · awarded Page 1 of 2; 44 total records.