Public sector supplier
Amentum Clean Energy Limited public sector contracts
Amentum Clean Energy Limited appears as a named supplier on 61 UK public sector contracts awarded since 2024.
40 of those were awarded in the last twelve months.
Its most frequent public sector customer is United Kingdom National Nuclear Laboratory, with 10 contracts, and it has supplied 16 buying organisations in total.
- 40
- Contracts, last 12 months
- 61
- Contracts since 2021
- 16
- Public sector buyers
- £149k
- Median contract won outright
- 18
- Expiring in 18 months
These figures count published award notices from January 2021 onward, the point at which this database begins, and are comprehensive only from 2023. Contracts awarded before then, and any work not published as a public award notice, do not appear. This is a record of published contracts, not of turnover. Most recent award recorded 14 Sept 2026.
Coming up for renewal
18 contracts expiring in the next 18 months
Each of these is a contract Amentum Clean Energy Limited currently holds with an end date already published. If you compete with them, this is where the openings are. If you are the buyer, it is your renewal diary.
Overview
Most of that work falls under research and development.
37 of these were awarded to it as the only named supplier; the remaining 24 are contracts shared with other suppliers, typically a place on a framework rather than work awarded outright.
Among the contracts it won outright where a value was published, the median is £149k.
18 of its contracts are due to end within the next eighteen months.
Contracts won per quarter
Recent activity
Latest contracts won
Where a contract names more than one supplier it is usually a framework. The published value is the ceiling for the whole framework, shared by everyone on it, not the amount awarded to Amentum Clean Energy Limited.
Who they supply
Most frequent buyers
- 01United Kingdom National Nuclear Laboratory10 contracts
- 02Sellafield Limited10 contracts
- 03Nuclear Waste Services Limited10 contracts
- 04Nuclear Decommissioning Authority7 contracts
- 05Nuclear Restoration Services Limited ( Dounreay)5 contracts
- 06United Kingdom Atomic Energy Authority3 contracts
- 07UK Atomic Energy Authority3 contracts
- 08UK Fusion Energy Limited2 contracts
- 09Nuclear Restoration Services Limited2 contracts
- 10NRS Dounreay2 contracts
What they supply
Most active categories
The CPV codes on this work
The codes buyers used when they awarded this work. Each one shows the whole UK market for it: who buys, who wins, and which contracts end soon.
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Other suppliers
Also active in public sector contracts
Common questions
Amentum Clean Energy Limited, in short
Which public sector organisations does Amentum Clean Energy Limited supply?
Across 61 contracts recorded since 2021, Amentum Clean Energy Limited has supplied 16 UK public sector buyers. The most frequent are United Kingdom National Nuclear Laboratory (10 contracts), Sellafield Limited (10 contracts), Nuclear Waste Services Limited (10 contracts).
What does Amentum Clean Energy Limited supply to the public sector?
Its contracts fall mainly under research and development, architecture and engineering, community and personal services. Categories are derived from the CPV codes published on each award notice.
How many public sector contracts has Amentum Clean Energy Limited won?
61 since 2021, of which 37 were awarded to it as the only named supplier and 24 are shared with other suppliers, usually a place on a framework. This counts award notices published to Find a Tender and Contracts Finder, so it is a record of published awards rather than of total revenue.
When do Amentum Clean Energy Limited contracts come up for renewal?
18 contracts held by Amentum Clean Energy Limited have an end date within the next 18 months, the earliest on 30 Sept 2026. End dates are published in the original award notices, so they are visible well before any re-tender is advertised.
Where does this information about Amentum Clean Energy Limited come from?
From contract award notices published by the buyers themselves to Find a Tender and Contracts Finder under the Open Government Licence. Coverage starts in 2021 and is comprehensive from 2023, so contracts awarded before then, and any award not published to those portals, will not appear.
Contract data on this page is sourced from Find a Tender and Contracts Finder and published under the Open Government Licence v3.0. Contains public sector information licensed under that licence. Figures cover contract award notices published from January 2021 onward, with comprehensive coverage from 2023. Earlier contracts, and any award not published to Find a Tender or Contracts Finder, will not appear. This page describes contracts published by public bodies and is not affiliated with Amentum Clean Energy Limited.