| 30 Oct 2025 |
Decommissioning Nuclear Waste Partnership |
Sellafield Limited |
TDA (AtkinsRéalis UK, Amentum Clean… +3 |
£4.6bn |
| 12 Sep 2025 |
Integrated Waste Management Specialist Nuclear Services Framework (IWM24) |
Nuclear Waste Services |
Cyclife UK +7 |
£26.0m |
| 21 Apr 2026 |
Expert Support and Alternative Solutions FrameworkNorth West |
Nuclear Waste Services Limited |
Atkins Limited +5 |
£14.5m |
| 1 Jun 2026 |
Environmental & Conventional Health & Safety ServicesNorth West |
Sellafield Ltd |
Jacobs U.K. Limited +4 |
£9.9m |
| 9 May 2025 |
Embedded Engineering Resource Framework (EERF) |
UK Atomic Energy Authority |
Amentum Clean Energy Limited +6 |
£9.9m |
| 23 Apr 2026 |
TECHNICAL SUPPORT PROVIDER (TSP): MUNITIONS (DM) GOSPORT - WATERFRONT MUNITIONS HANDLING… |
Defence Infrastructure Organisation |
Amentum Clean Energy Ltd |
£4.5m |
| 14 Feb 2025 |
SBRI Competition Fusion Industry Challenges - Novel Concepts for Robust Diagnostics…South East |
United Kingdom Atomic Energy Authority |
3 Sci Ltd +12 |
£3.5m |
| 15 Dec 2025 |
DNWP0009/LOT1A/ Minor Tasks & Redundant Assets FY 25/26North West |
Sellafield Limited |
AMENTUM CLEAN ENERGY LIMITED |
£3.4m |
| 29 Sep 2025 |
Contracts for Innovation Competition Fusion Industry Challenges: Novel shielding…South East |
UK Atomic Energy Authority |
Aegis Fibretech Ltd +10 |
£3.1m |
| 31 Mar 2026 |
DNWP0062/LOT1A/ID - Hazard ReductionNorth West |
Sellafield Ltd |
AMENTUM CLEAN ENERGY LIMITED |
£1.7m |
| 1 May 2026 |
Alternative Solutions Bulk Order Further Comp (dummy) |
Nuclear Waste Services |
AMENTUM CLEAN ENERGY LIMITED |
£1.3m |
| 27 Feb 2025 |
Senior Design Engineer Support |
Nuclear Restoration Services Limited… |
AMENTUM CLEAN ENERGY LIMITED |
£840k |
| 20 Mar 2025 |
Production of Licence Condition 15 Periodic ReviewScotland |
Nuclear Restoration Services Limited… |
AMENTUM CLEAN ENERGY LIMITED |
£802k |
| 13 Jun 2025 |
Fully Networked Command, Control and Communications (FNC3) |
MINISTRY OF DEFENCE |
Amentum Clean Energy Limited |
£533k |
| 17 Feb 2026 |
DNWP0059/LOT1A/Principal Designer ServicesNorth West |
Sellafield Ltd |
AMENTUM CLEAN ENERGY LIMITED |
£500k |
| 14 Apr 2026 |
DNWP0058/LOT1A/CALDER WELFARE FACILITIESNorth West |
Sellafield Ltd |
AMENTUM CLEAN ENERGY LIMITED |
£484k |
| 3 Jul 2025 |
Simulation Software |
UK Atomic Energy Authority |
Altair Engineering Limited +9 |
£360k |
| 1 May 2025 |
ESC-L2-TO391A, B & C: Level 2 Report SupportNorth West |
Nuclear Waste Services |
AMENTUM CLEAN ENERGY LIMITED +2 |
£330k |
| 3 Dec 2024 |
TO381 PFLOTRAN Stage 3North West |
Nuclear Waste Services |
Amentum Clean Energy Limited |
£295k |
| 26 Jan 2026 |
(06 - EDW&MR) DC25-15North West |
Nuclear Decommissioning Authority |
AMENTUM CLEAN ENERGY LIMITED |
£284k |
| 24 Jun 2025 |
BATs - Corrosion of Carbon Steel |
Nuclear Waste Services |
AMENTUM CLEAN ENERGY LIMITED |
£261k |
| 17 Dec 2025 |
DNWP00013/LOT1A/ Lot 1A - Management (Core Team) FY 25/26North West |
Sellafield Limited |
AMENTUM CLEAN ENERGY LIMITED |
£220k |
| 16 Dec 2025 |
Feasibility of automated sample collection using a quadruped robot |
UK Atomic Energy Authority |
Amentum Clean Energy Ltd |
£195k |
| 23 Jun 2026 |
DNWP0061/LOT1A/CALDER R1 & R2 Filter Room Full DeplantNorth West |
Sellafield Ltd |
AMENTUM CLEAN ENERGY LIMITED |
£185k |
| 3 Jun 2025 |
TO395 - RACER Future use remediationNorth West |
Nuclear Waste Services |
AMENTUM CLEAN ENERGY LIMITED |
£180k |
