Nuclear Decommissioning Authority

Public body — contracts awarded

£744.4mTotal value£744,398,993 across every award on file

144Awardspublished since 4 July 2024

Who they buy from

Supplier	Awards	Value
Alexander Mann Solutions Limited	1	£522.3m
Computacenter (UK) Limited	1	£45.5m
Clarity Travel Limited t/a Clarity	1	£42.5m
Sopra Steria Limited	2	£36.2m
Travel Perk UK IRL LTD	1	£20.0m
Roc Technologies Limited	1	£10.2m
i3Works Limited	1	£8.0m
Bridewell Consulting Ltd	1	£7.2m
Calder Conferences limited	1	£7.0m
Pinsent Masons LLP	2	£5.5m

Every award on file

Awarded	What for	Buyer	Supplier	Value
17 Mar 2026	Research and subscription servicesNorth West	Nuclear Decommissioning Authority	Gartner UK ltd	£193k
24 Oct 2024	Support to Strategic Planning Exploratory Work	NUCLEAR DECOMMISSIONING AUTHORITY	Jacobs UK LTD	£193k
13 Feb 2026	NDA9/00916.089 - CHILW Technical Assessments and ContainersNorth West	Nuclear Decommissioning Authority	TUV SUD Ltd	£184k
25 Sep 2025	C17430/12 - Support to Project Susannah	Nuclear Decommissioning Authority	National Nuclear Laboratory	£179k
13 Mar 2025	NDA9/00916.068 - Project Saltus - Transition & Transfer Blueprint	Nuclear Decommissioning Authority	TUV SUD Ltd	£175k
30 Jan 2026	Support to change initiatives	Nuclear Decommissioning Authority	THE BERKELEY PARTNERSHIP LLP	£172k
6 Feb 2025	Pu Disposal - Enhanced monitoring of MOX mini tests at CNL	NUCLEAR DECOMMISSIONING AUTHORITY	Orano Limited	£170k
16 Dec 2025	DMOX 3D Audiovisual	NUCLEAR DECOMMISSIONING AUTHORITY	Orano Limited	£162k
2 Apr 2026	Video Conference Maintenance 2026-2027North West	Nuclear Decommissioning Authority	LOGICALIS UK LIMITED	£150k
25 Nov 2024	Pu Disposal - CAPEX - OPEX	NUCLEAR DECOMMISSIONING AUTHORITY	Orano Limited	£150k
17 Oct 2025	(04 - SF&NM) GK25-14	Nuclear Decommissioning Authority	AMENTUM CLEAN ENERGY LIMITED	£148k
26 Mar 2026	GK25-25North West	Nuclear Decommissioning Authority	Eden Nuclear	£141k
18 Jul 2024	Nuclear Decommissioning Authority Group OneTrust software and Support services	Nuclear Decommissioning Authority	Oyster IMS Ltd	£135k
5 Sep 2024	NDA9/00916.061 AWE Waste Management - Gate B CLDs	Nuclear Decommissioning Authority	TUV SUD Ltd	£129k
27 Mar 2026	NDA/C17430/21 - R&D Delivery ImprovementsNorth West	Nuclear Decommissioning Authority	National Nuclear Laboratory	£128k
2 Feb 2026	NDA/C17430/19North West	Nuclear Decommissioning Authority	National Nuclear Laboratory	£123k
31 Jul 2025	Professional Executive Search Services	Nuclear Decommissioning Authority	RUSSELL REYNOLDS ASSOCIATES LIMITED	£120k
5 Sep 2025	NDA/C17430/13 - Pu Active SEM	Nuclear Decommissioning Authority	National Nuclear Laboratory	£115k
29 Sep 2025	GK24-20 - RA for End States of Nuclear Sites and Radioactive Waste	Nuclear Decommissioning Authority	NSG Environmental Ltd	£113k
9 Oct 2024	NDA/C17430/08 - HIP1 for MOX pellets	Nuclear Decommissioning Authority	National Nuclear Laboratory	£111k
16 Mar 2026	NDA/C17430/20 Pu Immobilisation SME supportNorth West	Nuclear Decommissioning Authority	National Nuclear Laboratory	£110k
4 Dec 2025	(05 - SF&NM) GK25-13North West	Nuclear Decommissioning Authority	AMENTUM CLEAN ENERGY LIMITED	£104k
11 Mar 2026	NDA9/00916.090 - Strategic Support to Project SusannahNorth West	Nuclear Decommissioning Authority	TUV SUD Ltd	£104k
13 Aug 2025	NDA9/00916.077 - PRC Support 2025/2026	Nuclear Decommissioning Authority	TUV SUD Ltd	£100k
11 Aug 2025	NDA9/00916.077 - PRC Support 2025/2026	Nuclear Decommissioning Authority	TUV SUD Ltd	£100k

Organisations are grouped by name, because the notices carry no identifier that appears on all of them. A body that publishes under two spellings will appear twice; two different companies with the same trading name will appear as one. Check the individual notices before drawing a conclusion.