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AMENTUM CLEAN ENERGY LIMITED

74 contracts won£6,295,466,291 total value

Every public sector contract AMENTUM CLEAN ENERGY LIMITED has won, with the buyer, value and end date for each. When these contracts approach their end date they usually return to the market. Business predicts when, follows AMENTUM CLEAN ENERGY LIMITED for you, and alerts you the moment a renewal goes live.

Where they win

The sectors, tender types and buyers where AMENTUM CLEAN ENERGY LIMITED wins most often.

See every live council tenders and find your next contract before they do.

See all local council buyers and UK contract awards.

Sectors

Architecture & Design29
Data & Digital Services22
Research & Consultancy19
Social Care & Community15
Environmental Services11
IT & Software10
Marketing & Communications8
Goods & Supplies8

Top Buyers

Sellafield Ltd
11 contracts
£17,102,498
Nuclear Waste Services
11 contracts
£28,512,828
Nuclear Decommissioning Authority
8 contracts
£1,137,939
Nuclear Restoration Services Limited (Dounreay)
6 contracts
£5,133,599
UK Fusion Energy Ltd
5 contracts
£7,701,980
United Kingdom Atomic Energy Authority
3 contracts
£225,736
Nuclear Restoration Services Limited
3 contracts
£415,263
Sellafield Limited
3 contracts
£4,618,932,635

Awards(74)

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DNWP0072/LOT1A/ THB Demolition Phases 1-5

Sellafield Limited
Whitehaven
£14,848,365
Awarded 30 Sept 2026
Ends 9 Sept 2028

DNWP0071/LOT1A/CALDER Ring Fence

Sellafield Ltd
Whitehaven
£478,697
Awarded 14 Sept 2026
Ends 14 May 2027

Waste Characterisation Support on the Dounreay site.

Nuclear Restoration Services Limited (Dounreay)
Thurso
£3,048,000
Awarded 14 Sept 2026
Ends 31 Aug 2028

DNWP0040/LOT1A/ HEx-1 Laydown area excavation and pour

Sellafield Ltd
Whitehaven
£3,425,940
Awarded 9 Sept 2026
Ends 1 May 2028

DNWP0039/LOT1A/Management Team FY26/27

Sellafield Limited
Whitehaven
£4,084,270
Awarded 8 Sept 2026
Ends 31 Mar 2027

W2B5 4-point bend: A

UK Fusion Energy Ltd
Abingdon
£33,173
Awarded 4 Aug 2026
Ends 27 Nov 2026

Technical analysis or consultancy services.

UK Fusion Energy Ltd
Not provided
£39,807
Awarded 4 Aug 2026
Ends 27 Nov 2026

GK26-11 - In-active Drying Trials of AGR Slotted Cans (Investigating Impact of Caustic Dosing and Carbon Deposits)

Nuclear Decommissioning Authority
Moor Row
£360,186
Awarded 16 Jul 2026
Ends 31 Jan 2028

DCP Stores Extension - Engineering Support Requirement

Nuclear Restoration Services Limited
By Thurso
£275,263
Awarded 14 Jul 2026
Ends 4 Sept 2026

Analysis services.

UK Fusion Energy Ltd
UK - UNITED KINGDOM
£234,000
Awarded 9 Jul 2026
Ends 31 Mar 2027

Pd Ag Functional Testing

UK Fusion Energy Ltd
Abingdon
£195,000
Awarded 9 Jul 2026
Ends 31 Mar 2027

DNWP0061/LOT1A/CALDER R1 & R2 Filter Room Full Deplant

Sellafield Ltd
Whitehaven
£184,647
Awarded 23 Jun 2026
Ends 17 Jun 2027

BLC-0201 - Cyber Security Services Framework

Bluelight Commercial Limited
London
£38,000,000
Awarded 8 Jun 2026
Ends 7 Jun 2034

CSSF-001 - Support to international post closure criticality safety projects.

Nuclear Waste Services
Harwell
£20,000
Awarded 3 Jun 2026
Ends 31 Mar 2027

Environmental & Conventional Health & Safety Services

Sellafield Ltd
Warrington
£9,920,000
Awarded 1 Jun 2026
Ends 31 May 2035

CSSF-002 - GDF Criticality Safety Methodology and Assessments

Nuclear Waste Services
Harwell
£40,000
Awarded 20 May 2026
Ends 31 May 2026

Prototype Fast Reactor Concrete Panels Methodology

NRS Dounreay
Thurso
£93,798
Awarded 19 May 2026
Ends 4 Dec 2026

DNWP0053/LOT1A/CALDER F199 Demolition

Sellafield Ltd
Whitehaven
£152,895
Awarded 1 May 2026
Ends 30 Oct 2026

Alternative Solutions Bulk Order Further Comp (dummy)

Nuclear Waste Services
Calderbridge
£1,300,000
Awarded 1 May 2026
Ends 30 Apr 2027

TECHNICAL SUPPORT PROVIDER (TSP): MUNITIONS (DM) GOSPORT - WATERFRONT MUNITIONS HANDLING FACILITY (WMHF) - BEDENHAM PIER

Defence Infrastructure Organisation
SUTTON COLDFIELD
£4,500,000
Awarded 23 Apr 2026
Ends 30 Apr 2029

Know when AMENTUM CLEAN ENERGY LIMITED's contracts come up for renewal

Business predicts when each of these contracts is due to be re-tendered, follows AMENTUM CLEAN ENERGY LIMITED for you, and alerts you the moment a renewal goes live, so you can bid before the incumbent locks it in again.

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Why track AMENTUM CLEAN ENERGY LIMITED?

AMENTUM CLEAN ENERGY LIMITED is an active supplier to UK public sector buyers. Their contract history is one of the clearest guides to where the work is: which authorities they serve, what those contracts are worth, and, most usefully, when each contract is due to end. A contract nearing its end date is an opportunity, because the buyer will usually run the work again.

How renewal tracking works

We aggregate AMENTUM CLEAN ENERGY LIMITED's award notices from 600+ UK and Irish sources and read the end date on each contract. From those dates, Business predicts when each contract is likely to be re-tendered and, if you follow the supplier, alerts you the moment a matching tender goes live. That head start lets you speak to the buyer and prepare a bid before the incumbent is confirmed again.

What you can do here

  • Review the full history. Every contract AMENTUM CLEAN ENERGY LIMITED has won, with the buyer, value and dates for each.
  • Spot upcoming renewals. Contracts approaching their end date are the ones most likely to reopen.
  • Track and get alerted. Follow AMENTUM CLEAN ENERGY LIMITED and be notified when their contracts come up again (Business).
  • Benchmark and target. See which buyers rely on them and at what value, then focus where you can win.

Frequently asked questions

Where does this data come from?

Official UK and Irish contract award notices, aggregated from 600+ sources and updated daily.

Is the contract history free?

Yes. The full award history, values and buyers are free to browse. Predicted renewal dates, following a supplier and renewal alerts are part of our Business plans.

How do you predict renewals?

From the end dates and durations recorded on awarded contracts. A contract at or near its end date is a strong candidate to return to the market.