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Contains public sector information licensed under the Open Government Licence v3.0. Data comes from Find a Tender and Contracts Finder. Award records link to an official notice where Bidwake has verified the source link.

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AMENTUM CLEAN ENERGY LIMITED — page 5 | Bidwake

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AMENTUM CLEAN ENERGY LIMITED

Supplier record

AMENTUM CLEAN ENERGY LIMITED

This page summarises award records that name this supplier and the public buyers listed alongside it. Published names are joined when identifiers or close name matches support the link.

Supplier summary

Award records: 120
Published value assigned to this supplier: £42.3m
Values not counted: 65

Names and identifiers

Bidwake groups published names using company identifiers or closely matching names.

Companies House number: 01120437
Recorded name variants: 3

AMENTUM CLEAN ENERGY LIMITED; Amentum Clean Energy Ltd; Amentum Clean Energy Limited

Supplier record sections

Award history
Buyer relationships
Published awards

Award history

Published records by year

Each row counts award records linked to this supplier. A single procurement can produce more than one award.

Annual award records and published value assigned to this supplier
Year	Awards	Value counted	Values not counted
2026	52	£33,130,699	31
2025	44	£7,541,442	21
2024	5	£649,664	0
2018	4	£357,553	0
2017	2	£616,265	0

Buyer relationships

Buyer relationships by value counted

Ranked by published value assigned to this supplier, then by award count.

SupplierAMENTUM CLEAN ENERGY LIMITED

Sellafield Limited1 award · £14,848,365 published value
Sellafield Ltd6 awards · £4,852,276 published value

Source records

Published awards

Page 5 of 6 · 120 records.

Harwell Meashill Tunnel Remediation Works
Buyer: Nuclear Restoration Services Limited
End date in notice
31 Mar 2026
Value shown in notice
£25,526Published award value
Official source
Open the official Contracts Finder notice for Harwell Meashill Tunnel Remediation Works
View record references
Source
Contracts Finder
Award or lot reference
ocds-b5fd17-382a7ee9-1950-4721-9955-a3a87e48600f / ocds-b5fd17-382a7ee9-1950-4721-9955-a3a87e48600f-1
DNWP00013/LOT1A/ Lot 1A - Management (Core Team) FY 25/26
Buyer: Sellafield Limited
End date in notice
31 Mar 2026
Value shown in notice
£219,923Published award value
Official source
Open the official Contracts Finder notice

Defence Infrastructure Organisation1 award · £4,500,000 published value

Sellafield Limited1 award · £4,084,270 published value

At-a-glance view of the first 4 buyers in the ranked list below.

Sellafield Limited1 award · £14,848,365 published value
Sellafield Ltd6 awards · £4,852,276 published value
Defence Infrastructure Organisation1 award · £4,500,000 published value
Sellafield Limited1 award · £4,084,270 published value
Sellafield Limited2 awards · £3,603,099 published value
Nuclear Waste Services Limited20 awards · £2,122,840 published value · 15 values excluded
Nuclear Restoration Services Limited (Dounreay)3 awards · £1,802,334 published value
Sellafield Ltd1 award · £1,735,663 published value
Nuclear Decommissioning Authority7 awards · £1,137,939 published value
RADIOACTIVE WASTE MANAGEMENT LIMITED6 awards · £973,818 published value

for DNWP00013/LOT1A/ Lot 1A - Management (Core Team) FY 25/26

View record references

Source: Contracts Finder
Award or lot reference: ocds-b5fd17-93540b59-d1bd-4a8c-a59f-181878a6e3d1 / ocds-b5fd17-93540b59-d1bd-4a8c-a59f-181878a6e3d1-1

Feasibility of automated sample collection using a quadruped robot

Buyer: UK Atomic Energy Authority

End date in notice: 31 Mar 2026
Value shown in notice: £194,602Published award value
Official source: Open the official Contracts Finder notice for Feasibility of automated sample collection using a quadruped robot

View record references

Source: Contracts Finder
Award or lot reference: ocds-b5fd17-bf89e356-5a78-4195-bb9d-d82f8f08f993 / ocds-b5fd17-bf89e356-5a78-4195-bb9d-d82f8f08f993-1

DNWP0009/LOT1A/ Minor Tasks & Redundant Assets FY 25/26

Buyer: Sellafield Limited

End date in notice: 31 Mar 2026
Value shown in notice: £3,383,176Published award value
Official source: Open the official Contracts Finder notice for DNWP0009/LOT1A/ Minor Tasks & Redundant Assets FY 25/26

View record references

Source: Contracts Finder
Award or lot reference: ocds-b5fd17-4e3262ac-cc2b-469e-88b3-28e0c65bb869 / ocds-b5fd17-4e3262ac-cc2b-469e-88b3-28e0c65bb869-1

ERATO

Buyer: UK Atomic Energy Authority

End date in notice: 31 Mar 2026Date from the linked contract
Value shown in notice: £49,995Value from the linked contract
Official source: Open the official Find a Tender notice for ERATO

About this figure

This figure comes from the linked contract record. Overall totals continue to use the separately published award value.

View record references

Source: Find a Tender
Award or lot reference: ocds-h6vhtk-05d275 / 1

Contracts for Innovation Competition Fusion Industry Challenges: Novel shielding materials and technologies for fusion

Buyer: UK Atomic Energy Authority

End date in notice: 31 Mar 2026
Value shown in notice: £3,083,562Whole award value; not assigned to one supplier
Official source: Open the official Contracts Finder notice for Contracts for Innovation Competition Fusion Industry Challenges: Novel shielding materials and technologies for fusion

About this figure

This award names more than one supplier but does not divide the published value between them. The figure is shown for context and is not assigned to one supplier.

View record references

Source: Contracts Finder
Award or lot reference: ocds-b5fd17-c31b1fb3-f9ef-4e11-a903-bc3a81f6a586 / ocds-b5fd17-c31b1fb3-f9ef-4e11-a903-bc3a81f6a586-1

Fully Networked Command, Control and Communications (FNC3)

Buyer: MINISTRY OF DEFENCE

End date in notice: 31 Mar 2026
Value shown in notice: £533,121Published award value
Official source: Open the official Contracts Finder notice for Fully Networked Command, Control and Communications (FNC3)

View record references

Source: Contracts Finder
Award or lot reference: ocds-b5fd17-9f8e5d3f-63ef-4140-bdcc-74f7268c0dfd / ocds-b5fd17-9f8e5d3f-63ef-4140-bdcc-74f7268c0dfd-1

Environmental Samples and Effluent Analysis

Buyer: Nuclear Restoration Services Limited

End date in notice: 31 Mar 2026
Value shown in notice: £71,421Published award value
Official source: Open the official Contracts Finder notice for Environmental Samples and Effluent Analysis

View record references

Source: Contracts Finder
Award or lot reference: ocds-b5fd17-fb94c1f7-9fee-4eb1-98da-d1593b818293 / ocds-b5fd17-fb94c1f7-9fee-4eb1-98da-d1593b818293-1

Simulation Software

Buyer: UK Atomic Energy Authority

End date in notice: 31 Jan 2026
Value shown in notice: £360,000Whole award value; not assigned to one supplier
Official source: Open the official Contracts Finder notice for Simulation Software

About this figure

This award names more than one supplier but does not divide the published value between them. The figure is shown for context and is not assigned to one supplier.

View record references

Source: Contracts Finder
Award or lot reference: ocds-b5fd17-5d854440-063a-4bcc-88fe-874705892230 / ocds-b5fd17-5d854440-063a-4bcc-88fe-874705892230-1

Design of Steelwork Repairs and Ventilation Replacement

Buyer: Nuclear Restoration Services Limited (Dounreay)

End date in notice: 23 Jan 2026
Value shown in notice: £112,297Published award value
Official source: Open the official Contracts Finder notice for Design of Steelwork Repairs and Ventilation Replacement

View record references

Source: Contracts Finder
Award or lot reference: ocds-b5fd17-b7273a82-8ac3-4de4-87ab-a4dffbf5ace9 / ocds-b5fd17-b7273a82-8ac3-4de4-87ab-a4dffbf5ace9-1

(04 - EDWM&R) IG25-11 - Groupwide Areas of Research Interest

Buyer: Nuclear Decommissioning Authority

End date in notice: 31 Dec 2025
Value shown in notice: £57,554Published award value
Official source: Open the official Contracts Finder notice for (04 - EDWM&R) IG25-11 - Groupwide Areas of Research Interest

View record references

Source: Contracts Finder
Award or lot reference: ocds-b5fd17-113f37ab-1bcf-451a-9c9e-6cff3e61ad02 / ocds-b5fd17-113f37ab-1bcf-451a-9c9e-6cff3e61ad02-1

GK25-15 - Grand Challenges

Buyer: Nuclear Decommissioning Authority

End date in notice: 15 Dec 2025
Value shown in notice: £89,194Published award value
Official source: Open the official Contracts Finder notice for GK25-15 - Grand Challenges

View record references

Source: Contracts Finder
Award or lot reference: ocds-b5fd17-228dcb69-9712-49c4-bf6b-e16b328d200a / ocds-b5fd17-228dcb69-9712-49c4-bf6b-e16b328d200a-1

Harwell B418 ecological surveys - Preliminary Ecological Appraisal (PEA)

Buyer: Nuclear Restoration Services Limited

End date in notice: 31 Oct 2025
Value shown in notice: £8,214Published award value
Official source: Open the official Contracts Finder notice for Harwell B418 ecological surveys - Preliminary Ecological Appraisal (PEA)

View record references

Source: Contracts Finder
Award or lot reference: ocds-b5fd17-df7f518b-f5ac-4dcd-84b4-6d503619a360 / ocds-b5fd17-df7f518b-f5ac-4dcd-84b4-6d503619a360-1

CBRN Framework Call Off - Incident Planning Operations Sept 2025

Buyer: Defra

End date in notice: 10 Oct 2025
Value shown in notice: £20,949Published award value
Official source: Open the official Contracts Finder notice for CBRN Framework Call Off - Incident Planning Operations Sept 2025

View record references

Source: Contracts Finder
Award or lot reference: ocds-b5fd17-1a0d14fb-d6f9-43d9-a856-5cfc3928d7e5 / ocds-b5fd17-1a0d14fb-d6f9-43d9-a856-5cfc3928d7e5-1

TO395 - RACER Future use remediation

Buyer: Nuclear Waste Services Limited

End date in notice: 10 Sept 2025
Value shown in notice: £180,117Published award value
Official source: Open the official Contracts Finder notice for TO395 - RACER Future use remediation

View record references

Source: Contracts Finder
Award or lot reference: ocds-b5fd17-f12ad43a-5a56-4e16-8bbe-681f127d0cee / ocds-b5fd17-f12ad43a-5a56-4e16-8bbe-681f127d0cee-1

SBRI Competition Fusion Industry Challenges - Novel Concepts for Robust Diagnostics Systems, Sensing and Control

Buyer: United Kingdom Atomic Energy Authority

End date in notice: 29 Aug 2025
Value shown in notice: £3,472,864Whole award value; not assigned to one supplier
Official source: Open the official Contracts Finder notice for SBRI Competition Fusion Industry Challenges - Novel Concepts for Robust Diagnostics Systems, Sensing and Control

About this figure

This award names more than one supplier but does not divide the published value between them. The figure is shown for context and is not assigned to one supplier.

View record references

Source: Contracts Finder
Award or lot reference: ocds-b5fd17-4ca65c93-da99-4de7-a43a-afcbb86e40a8 / ocds-b5fd17-4ca65c93-da99-4de7-a43a-afcbb86e40a8-1

Sub-Millimetre Laser Profiling System with Embedded Positional Correction for Defect Monitoring in 500L Drums

Buyer: UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED

End date in notice: 14 Jul 2025
Value shown in notice: £85,332Published award value
Official source: Open the official Contracts Finder notice for Sub-Millimetre Laser Profiling System with Embedded Positional Correction for Defect Monitoring in 500L Drums

View record references

Source: Contracts Finder
Award or lot reference: ocds-b5fd17-414630b3-8d6e-4ece-bb5a-593aeae0f2fe / ocds-b5fd17-414630b3-8d6e-4ece-bb5a-593aeae0f2fe-1

CBRN Framework Call Off - Incident Planning Operations May & June 2025

Buyer: Defra

End date in notice: 12 Jun 2025
Value shown in notice: £30,791Published award value
Official source: Open the official Contracts Finder notice for CBRN Framework Call Off - Incident Planning Operations May & June 2025

View record references

Source: Contracts Finder
Award or lot reference: ocds-b5fd17-6082d25c-112e-4592-bda5-0efbbcc3058b / ocds-b5fd17-6082d25c-112e-4592-bda5-0efbbcc3058b-1

Autonomous Data Collection

Buyer: United Kingdom Atomic Energy Authority

End date in notice: 31 Mar 2025
Value shown in notice: £76,500Published award value
Official source: Open the official Contracts Finder notice for Autonomous Data Collection

View record references

Source: Contracts Finder
Award or lot reference: ocds-b5fd17-3099c2ae-d1f6-4f94-9a15-fd0922618862 / ocds-b5fd17-3099c2ae-d1f6-4f94-9a15-fd0922618862-1

GB-Harwell: UKRI-4367 Waste Characterisation Service

Buyer: UK Research & Innovation

End date in notice: 31 Mar 2025
Value shown in notice: £89,939Published award value
Official source: Open the official Contracts Finder notice for GB-Harwell: UKRI-4367 Waste Characterisation Service

View record references

Source: Contracts Finder
Award or lot reference: ocds-b5fd17-918a12e5-5740-478e-b4d9-378f58cb13c3 / ocds-b5fd17-918a12e5-5740-478e-b4d9-378f58cb13c3-1

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