NUCLEAR DECOMMISSIONING AUTHORITY

Public body — contracts awarded

£744.0mTotal value£744,038,807 across every award on file

143Awardspublished 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
3 Dec 2024	Pu Disposal - LCT Trials	NUCLEAR DECOMMISSIONING AUTHORITY	Orano Limited	£499k
3 Dec 2024	Pu Disposal - Advanced Concept Design	NUCLEAR DECOMMISSIONING AUTHORITY	Orano Limited	£456k
4 Jun 2025	Pu Disposal - Project Management Office	NUCLEAR DECOMMISSIONING AUTHORITY	Orano Limited	£420k
13 Sep 2024	NDA Group Employee Engagement Survey	Nuclear Decommissioning Authority	Workday Limited	£406k
22 Aug 2025	Project Support	Nuclear Decommissioning Authority	PA Consulting Services Limited	£350k
13 Feb 2026	NDA9/00916.088 - ILW System Development, Modelling and Change ManagementNorth West	Nuclear Decommissioning Authority	TUV SUD Ltd	£341k
21 Sep 2025	DMOX Plant Hazard Management Strategy	NUCLEAR DECOMMISSIONING AUTHORITY	Orano Limited	£318k
22 Jun 2026	NDA Group Task Based Inflation Metrics Economic Research	Nuclear Decommissioning Authority	Mott MacDonald Ltd.	£300k
11 Nov 2024	Board Effectiveness Review	Nuclear Decommissioning Authority	Deloitte LLP	£300k
26 Jan 2026	(06 - EDW&MR) DC25-15North West	Nuclear Decommissioning Authority	AMENTUM CLEAN ENERGY LIMITED	£284k
5 Feb 2026	NDA9/00916.085North West	Nuclear Decommissioning Authority	TUV SUD Ltd	£271k
29 Jun 2025	PV Lot B: Supplier Financial Risk Platform 2025-2029	Nuclear Decommissioning Authority	Dun & Bradstreet	£261k
8 Nov 2024	Communities Platform	Nuclear Decommissioning Authority	4 Roads Limited	£260k
29 Jan 2025	Pu Disposal - Questions & Answers/ Expert meetings Services	NUCLEAR DECOMMISSIONING AUTHORITY	Orano Limited	£248k
16 Jun 2026	Influential Vena Solution Cloud Software 2026-2029North West	nuclear decommissioning Authority	Influential	£247k
15 May 2026	Support to change Activites	NUCLEAR DECOMMISSIONING AUTHORITY	THE BERKELEY PARTNERSHIP LLP	£244k
27 Mar 2026	NDA/C17430/22North West	Nuclear Decommissioning Authority	National Nuclear Laboratory	£240k
18 Jul 2024	NDA9/00916.058 - Support to Beacon Project: Group Planning CapabilityNorth West	Nuclear Decommissioning Authority	TUV SUD Ltd	£230k
3 Dec 2024	Pu Disposal - International Capabilities, Worldwide Pu Laboratories	NUCLEAR DECOMMISSIONING AUTHORITY	Orano Limited	£225k
25 Jun 2025	NDA9/00916.073 - Civil-defence collaboration strategy and technical support	Nuclear Decommissioning Authority	TUV SUD Ltd	£220k
11 Jul 2025	NDA9/00916/074 Project Saltus - 25/26 Strategic Support	Nuclear Decommissioning Authority	TUV SUD Ltd	£200k
9 Dec 2025	Anchor Partnership extension with the National Decommissioning Centre (NDC).	NUCLEAR DECOMMISSIONING AUTHORITY	National Decommissioning Centre	£200k
7 Jan 2025	Aruba Support	NUCLEAR DECOMMISSIONING AUTHORITY	European Electronique	£200k
5 Jul 2024	NDA9/00916.054 - Civil Defence Collaboration	Nuclear Decommissioning Authority	TUV SUD Ltd	£200k
17 Mar 2026	Research and subscription servicesNorth West	Nuclear Decommissioning Authority	Gartner UK ltd	£193k

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.