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AMENTUM CLEAN ENERGY LIMITED

Seller Intelligence Snapshot

Coverage Range
2025-01-27 10:02 UTC to 2026-02-23 14:13 UTC.
Last Refresh
2026-03-18 08:12 UTC
Coverage Toggle
90d 365d All time
Contracts Finder (16)
Sources
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Awards
16
Open Notices
0
Known GBP Value
£5,749,758
Avg Award Value (Known GBP)
£359,360
Active Sectors
8
Awarding Buyers
6

Concentration

What this meansValue
Dependence on biggest customer 37.5% (Medium dependence)
Dependence on biggest sector 37.5% (Medium dependence)
Customer concentration score 2265.6 (Medium concentration)
Sector concentration score 2109.4 (Medium concentration)

Interpretation: a higher concentration score means awards are concentrated in fewer buyers or sectors.

Award Notices

Page 1 of 1 (16 total)

TitleStatusBuyerValueSectorSourcePublished
(06 - EDW&MR) DC25-15 complete Nuclear Decommissioning Authority £283,833 Research and development services and related consultancy services Contracts Finder 23 Feb 2026, 14:13 View notice
GK25-12 complete Nuclear Decommissioning Authority £100,000 Research and development services and related consultancy services Contracts Finder 20 Feb 2026, 11:34 View notice
DNWP0059/LOT1A/Principal Designer Services complete Sellafield Ltd £499,560 Engineering services Contracts Finder 17 Feb 2026, 10:49 View notice
DNWP Framework Digital Client Lead complete Sellafield Ltd £95,000 Business and management consultancy services Contracts Finder 17 Feb 2026, 10:35 View notice
(05 - SF&NM) GK25-13 complete Nuclear Decommissioning Authority £100,000 Research and development services and related consultancy services Contracts Finder 28 Jan 2026, 10:44 View notice
DNWP00013/LOT1A/ Lot 1A - Management (Core Team) FY 25/26 complete Sellafield Limited £219,923 Decommissioning services Contracts Finder 17 Dec 2025, 15:07 View notice
Harwell Meashill Tunnel Remediation Works complete Nuclear Restoration Services Ltd £30,000 Ground investigation work Contracts Finder 17 Dec 2025, 13:44 View notice
DNWP0009/LOT1A/ Minor Tasks & Redundant Assets FY 25/26 complete Sellafield Limited £3,383,176 Decommissioning services Contracts Finder 16 Dec 2025, 09:51 View notice
Harwell B418 ecological surveys - Preliminary Ecological Appraisal (PEA) complete Nuclear Restoration Services Ltd £8,214 Survey analysis services Contracts Finder 15 Dec 2025, 15:22 View notice
(04 - SF&NM) GK25-14 complete Nuclear Decommissioning Authority £150,000 Research and development services and related consultancy services Contracts Finder 27 Nov 2025, 11:49 View notice
GK25-15 - Grand Challenges complete Nuclear Decommissioning Authority £100,000 Research and development services and related consultancy services Contracts Finder 24 Oct 2025, 08:19 View notice
Dounreay Cementation Plant Licence Condition Peer Review complete Nuclear Restoration Services Limited (Dounreay) £160,052 Technical services Contracts Finder 23 Sep 2025, 06:42 View notice
(04 - EDWM&R) IG25-11 - Groupwide Areas of Research Interest complete Nuclear Decommissioning Authority £100,000 Research and development services and related consultancy services Contracts Finder 11 Sep 2025, 11:06 View notice
ESC-L2-TO391A, B & C: Level 2 Report Support complete Nuclear Waste Services £320,000 Environmental services Contracts Finder 17 Jun 2025, 14:57 View notice
TO395 - RACER Future use remediation complete Nuclear Waste Services £140,000 Environmental services Contracts Finder 03 Jun 2025, 09:27 View notice
TO386 Assessment of Selective Trench Retrievals complete Nuclear Waste Services £60,000 Environmental services Contracts Finder 27 Jan 2025, 10:02 View notice
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Top Buyers (Awarding)

Page 1 of 1 (6 buyers)

BuyerAward CountKnown GBPMost Recent AwardSector ConcentrationOpportunities
Nuclear Decommissioning Authority 6 £833,833 23 Feb 2026, 14:13 Research and development services and related consultancy services View notices
Nuclear Waste Services 3 £520,000 17 Jun 2025, 14:57 Environmental services View notices
Sellafield Limited 2 £3,603,099 17 Dec 2025, 15:07 Decommissioning services View notices
Sellafield Ltd 2 £594,560 17 Feb 2026, 10:49 Business and management consultancy services View notices
Nuclear Restoration Services Ltd 2 £38,214 17 Dec 2025, 13:44 Ground investigation work View notices
Nuclear Restoration Services Limited (Dounreay) 1 £160,052 23 Sep 2025, 06:42 Technical services View notices
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Top Overlapping Competitors

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Top Sectors by Known GBP Value

SectorKnown GBPNoticesOpportunities
Decommissioning services£3,603,0992View notices
Research and development services and related consultancy services£833,8336View notices
Environmental services£520,0003View notices
Engineering services£499,5601View notices
Technical services£160,0521View notices
Business and management consultancy services£95,0001View notices
Ground investigation work£30,0001View notices
Survey analysis services£8,2141View notices

Top CPV Codes

CPV CodeDescriptionNoticesKnown GBPOpportunities
73000000Research and development services and related consultancy services6£833,833View notices
90700000Environmental services3£520,000View notices
98391000Decommissioning services2£3,603,099View notices
71300000Engineering services1£499,560View notices
71356000Technical services1£160,052View notices
79410000Business and management consultancy services1£95,000View notices
45111250Ground investigation work1£30,000View notices
79311300Survey analysis services1£8,214View notices

Monthly Trend

MonthTotalOpenAwardedKnown GBP
Jan 2025101£60,000
Jun 2025202£460,000
Sep 2025202£260,052
Oct 2025101£100,000
Nov 2025101£150,000
Dec 2025404£3,641,313
Jan 2026101£100,000
Feb 2026404£978,393

Months active in last 12: 7. Longest active streak: 6 months.

Data Quality

Known GBP coverage: 100.0% of notices have known GBP values.

Buyer attribution coverage: 100.0% of notices have buyer names populated.