Supplier

Amentum Clean Energy Limited public sector contracts

Large businessWarringtonNorth WestCompanies House 01120437

Contracts won: 18
In the last 12 months: 10
Buyers: 8
Value, last 12 months: £33.3bn

Values as award notices state them; frameworks can include a ceiling rather than money spent.

Contracts won

Contract	Trade	Value	Bids	Awarded
DNWP0045/LOT1A/Demolition & Dismantling Teams FY 26/27 Sellafield Limited	—	£12.7m	—	13 Nov 2026
DNWP0068/LOT1A/Calder Breakdowns and Maintenance Resource Sellafield Limited	—	£598k	—	3 Nov 2026
DNWP0072/LOT1A/ THB Demolition Phases 1-5 Sellafield Limited	—	£14.8m	—	30 Sept 2026
Waste Characterisation Support on the Dounreay site. Nuclear Restoration Services Limited (Dounreay)	Architecture and engineering	£3.05m	—	14 Sept 2026
W2B5 4-point bend: A UK Industrial Fusion Solutions Ltd	Architecture and engineering	£33k	—	4 Aug 2026
Provision of Design Services for the D1310 Lab Upgrade Works Nuclear Restoration Services Limited	Architecture and engineering	£731k	—	30 Apr 2026
Construction Professional Services 2 Crown Commercial Service · 4 of 11 lots · ends 18 Jun 2030	Architecture and engineering	—	—	7 Apr 2026
ThermoChimie Phase 4 Framework Nuclear Waste Services Limited · 3 of 4 lots · ends 31 Mar 2030	Research and development	—	—	3 Mar 2026
Digital Outcomes and Specialists 7 Crown Commercial Service · 1 of 4 lots · ends 29 Jul 2027	IT services and software	£3.24bn	1748	19 Jan 2026
Technology Services 4 Crown Commercial Service · 9 of 9 lots · ends 11 Jun 2028	IT services and software	—	—	1 Dec 2025
Materials Testing Framework for STEP UK Industrial Fusion Solutions Ltd · 4 of 6 lots · ends 30 Nov 2027	Laboratory and scientific equipment	—	—	7 Nov 2025
959736.70 Ministry of Defence	Architecture and engineering	—	—	—
Radiological Testing of Nuclear Standard Elastomer to Ensure Continued Nuclear Decommissioning Authority	Research and development	—	2	—
Deterministic Fire Risk Assessment (DFRA) Peer Review Nuclear Restoration Services Limited	Accountancy and audit	—	1	—
Environmental & Conventional Health & Safety Services Sellafield Limited · 2 of 6 lots	Environmental services	—	—	—
Expert Support and Alternative Solutions Framework Nuclear Waste Services Limited	Waste and street cleansing	—	—	—
Post-Closure Safety Case Framework Nuclear Waste Services Limited	Environmental services	—	—	—
Decommissioning Nuclear Waste Partnership (DNWP) Sellafield Limited · 1 of 4 lots	Construction	—	—	—

Contracts ending in the next 12 months

These are often re-tendered, so this is when competitors start preparing.

Digital Outcomes and Specialists 7Crown Commercial Service · ends 29 July 2027
Materials Testing Framework for STEPUK Industrial Fusion Solutions Ltd · ends 30 October 2027

Main buyers

Contracts won from each

Trades

Contracts won in each

Data from public contract notices on Find a Tender and Contracts Finder. Something wrong? Tell us and we will correct it. We correct errors, but do not remove public award data.