LIVE · OPEN UK OPPORTUNITIES
TENDERScottish Government · Refit of MRV Alba na Mara·Value TBC·Scotland
GRANT Innovate UK, part of UK Research and… · CfI: Engineering Biology for Defra and FSA Phase 1·£200k·National
TENDERKent & Medway Town Fire Authority · GB-Maidstone: Preliminary Market Engagement via GCA Framework - Brief…·£100k·Maidstone
PROGRAMMEDepartment for Business and Trade · Local Women Local Enterprise·Value TBC·North East
TENDERThe National Archives · LEGISLATION PRINT PUBLISHING CONTRACT·£3.5M·London
GRANT Ambition North Wales / Uchelgais Gogledd… · Advanced Wireless Technology Grant Fund·£2.0M·Wales
TENDERAshfield District Council · Footpath Improvements At Sutton Lawn Park·£35k·East Midlands
PROGRAMMEDepartment for Business and Trade · Made Smarter London·Value TBC·London
TENDERNottingham City Council · CPU 8586 Grounds Maintenance Operated Plant Framework·£400k·East Midlands
GRANTInnovate UK, on behalf of the Office for Life… · Advancing innovation in accelerated cancer diagnosis·£4.0M·National
TENDERORBIT GROUP LIMITED · Materials Framework·Value TBC·West Midlands
PROGRAMMEDepartment for Business and Trade · START - West of England·Value TBC·South West
TENDERScottish Government · Refit of MRV Alba na Mara·Value TBC·Scotland
GRANT Innovate UK, part of UK Research and… · CfI: Engineering Biology for Defra and FSA Phase 1·£200k·National
TENDERKent & Medway Town Fire Authority · GB-Maidstone: Preliminary Market Engagement via GCA Framework - Brief…·£100k·Maidstone
PROGRAMMEDepartment for Business and Trade · Local Women Local Enterprise·Value TBC·North East
TENDERThe National Archives · LEGISLATION PRINT PUBLISHING CONTRACT·£3.5M·London
GRANT Ambition North Wales / Uchelgais Gogledd… · Advanced Wireless Technology Grant Fund·£2.0M·Wales
TENDERAshfield District Council · Footpath Improvements At Sutton Lawn Park·£35k·East Midlands
PROGRAMMEDepartment for Business and Trade · Made Smarter London·Value TBC·London
TENDERNottingham City Council · CPU 8586 Grounds Maintenance Operated Plant Framework·£400k·East Midlands
GRANTInnovate UK, on behalf of the Office for Life… · Advancing innovation in accelerated cancer diagnosis·£4.0M·National
TENDERORBIT GROUP LIMITED · Materials Framework·Value TBC·West Midlands
PROGRAMMEDepartment for Business and Trade · START - West of England·Value TBC·South West
ACE

UK PUBLIC-SECTOR SUPPLIER

Companies House 01120437 · United Kingdom

Amentum Clean Energy Limited

Amentum Clean Energy Limited is a supplier to UK public-sector buyers. This profile aggregates its public-record contract wins — who it sells to, what it supplies, latest awards and activity over time.

Data period: 2024-12-03 to 2026-09-18Updated 2026-09-18

68

Contracts won

27

Public buyers

10

Categories

2024

Active since

According to ENKII, Amentum Clean Energy Limited has won 68 UK public-sector contracts from 27 public buyers across 10 procurement categories between 2024-12-03 and 2026-09-18, most recently working with Sellafield Limited.

Public-sector buyers

Who Amentum Clean Energy Limited supplies

The UK public bodies Amentum Clean Energy Limited has won the most contracts from.

BuyerContracts won
Sellafield Limited3
GREAT BRITISH ENERGY - NUCLEAR1
UK Research & Innovation (UKRI)1
United Kingdom Atomic Energy Authority1
nuclear restoration services1
DEPARTMENT OF ENVIRONMENT, FOOD AND RURAL AFFAIRS1
Sellafield1
Sellafield Ltd6
DEPARTMENT FOR ENVIRONMENT, FOOD AND RURAL AFFAIRS1
Nuclear Restoration Services Limited1

What they supply

Amentum Clean Energy Limited's public-sector categories

Common Procurement Vocabulary (CPV) breakdown of contracts won over the reporting period.

Architectural, construction, engineering and inspection services

71
14 contracts won

Research and development services and related consultancy services

73
12 contracts won

Sewage, refuse, cleaning and environmental services

90
8 contracts won

Other community, social and personal services

98
5 contracts won

Business services: law, marketing, consulting, recruitment, printing and security

79
4 contracts won

Construction work

45
2 contracts won

Education and training services

80
2 contracts won

IT services: consulting, software development, Internet and support

72
1 contract won

Construction structures and materials; auxiliary products to construction (except electric apparatus)

44
1 contract won

Software package and information systems

48
1 contract won

Recent contracts

Latest contracts won by Amentum Clean Energy Limited

The most recently published award notices on Find a Tender and Contracts Finder.

DNWP0071/LOT1A/CALDER Ring Fence

Framework / DPS

Sellafield Ltd · 2026-09-13

Framework value not attributable

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

Framework / DPS

Sellafield Ltd · 2026-09-08

Framework value not attributable

DNWP0039/LOT1A/Management Team FY26/27

Framework / DPS

Sellafield Limited · 2026-09-07

Framework value not attributable

Lot 8 - Quality and Assurance

Framework / DPS

UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED · 2026-07-28

Framework value not attributable

Lot 1 - Health Physics and Radiological Protection Advisor

Framework / DPS

UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED · 2026-07-28

Framework value not attributable

Lot 4 - Criticality Safety and Shielding

Framework / DPS

UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED · 2026-07-28

Framework value not attributable

Lot 6 - Fire Safety (Nuclear and Conventional)

Framework / DPS

UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED · 2026-07-28

Framework value not attributable

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

Framework / DPS

Nuclear Decommissioning Authority · 2026-07-15

Framework value not attributable

Environmental Assessment, Development and application of modelling codes and numerical analysis

Sellafield Limited · 2026-07-02

Monitoring and Characterisation

Sellafield Limited · 2026-07-02

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Activity over time

Amentum Clean Energy Limited's public-sector activity by year

Contracts won per year, by published award date.

YearContracts won
20241
202536
202631

Frequently asked

Common questions about Amentum Clean Energy Limited

How many public-sector contracts has Amentum Clean Energy Limited won?

Amentum Clean Energy Limited has won 68 contracts from 27 UK public-sector buyers between 2024-12-03 and 2026-09-18, across 10 procurement categories.

Which public bodies does Amentum Clean Energy Limited supply?

Amentum Clean Energy Limited's largest public-sector buyers by award value are Sellafield Limited, GREAT BRITISH ENERGY - NUCLEAR, UK Research & Innovation (UKRI). It has worked with 27 public buyers in total.

What does Amentum Clean Energy Limited supply to the public sector?

Amentum Clean Energy Limited's public-sector work is concentrated in architectural, construction, engineering and inspection services, research and development services and related consultancy services, sewage, refuse, cleaning and environmental services. See the full CPV category breakdown below.

Is Amentum Clean Energy Limited a competitor for contracts my business wants?

If you bid for similar work, Amentum Clean Energy Limited may be an incumbent you're competing against. ENKII scores your business against live tenders, shows the incumbents on each one, and identifies the certifications you need to compete. Free Readiness Score in 3 minutes.

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Related ENKII resources

Sources & methodology

How this profile is compiled

Analysed by ENKII · Updated 2026-09-18

This profile aggregates public-record award data published by the UK Government under the Open Government Licence v3.0. ENKII fetches, deduplicates, and resolves supplier identities (this profile is matched at high confidence); we don't edit the underlying facts.

Source portals

  • · Find a Tender (find-tender.service.gov.uk)
  • · Contracts Finder
Full methodology — calculations, refresh cadence & caveats

This profile reproduces public-record award data published by UK government buyers; ENKII aggregates but does not alter the underlying facts. Source records remain subject to Open Government Licence v3.0 attribution. ENKII doesn't warrant accuracy beyond the source portals' own publication.

Spotted an error, or want this profile corrected or removed? Contact hello@enkii.io and we'll review it promptly.

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