# Nuclear Decommissioning Authority — UK public sector contract awards > A public buyer profile built from sourced government contract award notices. ## Key facts - Awards: 422 - Known award value: £216,945,774 - Distinct suppliers: 170 - First award: 18 September 2015 - Latest award: 14 August 2026 ## Top suppliers - [TUV SUD](/suppliers/tuv-sud/public-sector-contract-awards) — 71 awards - [National Nuclear Laboratory](/suppliers/national-nuclear-laboratory/public-sector-contract-awards) — 29 awards - [Eden Nuclear](/suppliers/eden-nuclear/public-sector-contract-awards) — 14 awards - [Pinsent masons](/suppliers/pinsent-masons/public-sector-contract-awards) — 11 awards - [DELOITTE LLP](/suppliers/deloitte/public-sector-contract-awards) — 11 awards ## Contract awards ### [NDA Unified Communications and Connectivity Services 2026-2029](/contracts/ocds-b5fd17-e1159ca4-c614-4da1-98bf-e43cbe0eac1c) Nuclear Decommissioning Authority · British Telecommunications Public Limited Company t/a BT PLC · £125,608 · 14 August 2026 · awarded ### [NDA/C17430/15 - NDA Legacy Waste Cave 5](/contracts/ocds-b5fd17-19171ff0-7c7f-450b-b2e4-84b48ab44f76) Nuclear Decommissioning Authority · National Nuclear Laboratory · £638,606 · 3 August 2026 · awarded ### [GK26-11 - In-active Drying Trials of AGR Slotted Cans \(Investigating Impact of Caustic Dosing and Carbon Deposits\)](/contracts/ocds-b5fd17-8f91304b-cef3-4794-b714-e7512eafbe9c) Nuclear Decommissioning Authority · AMENTUM CLEAN ENERGY LIMITED · £360,186 · 16 July 2026 · awarded ### [NDA group Employee Benefits - Cycle Scheme, Vouchers and Benefits](/contracts/ocds-b5fd17-21db2030-d9ac-45c3-9c79-3687913845a4) Nuclear Decommissioning Authority · Reward Gateway \(UK\) Ltd t/a Reward Gateway / Edenred · £0 · 31 May 2026 · awarded ### [NDA Group Task Based Inflation Metrics Economic Research](/contracts/ocds-b5fd17-afca4959-e19e-40a6-87be-ca954d804ed4) Nuclear Decommissioning Authority · Mott MacDonald Ltd\. · £300,000 · 22 June 2026 · awarded ### [Video Conference Maintenance 2026-2027](/contracts/ocds-b5fd17-544511ff-af31-4fb1-9e5f-fce999f042e8) Nuclear Decommissioning Authority · LOGICALIS UK LIMITED · £150,364 · 2 April 2026 · awarded ### [NDA9/00916\.091 - Support to Sealed sources landscape Review](/contracts/ocds-b5fd17-6ed0c581-70ff-43c6-bb3a-47523f248f93) Nuclear Decommissioning Authority · TUV SUD Ltd · £29,679 · 29 June 2026 · awarded ### [Non-Executive Director Development Training](/contracts/ocds-b5fd17-156ac6aa-6983-4884-8c63-07a39dd084a0) Nuclear Decommissioning Authority · Institute of Directors · £88,060 · 25 June 2026 · awarded ### [Head Hunting Services to source an NDA Chair of the Board\.](/contracts/ocds-b5fd17-0a4a8bbb-7ffd-4847-b94d-b8d75d76d0a5) Nuclear Decommissioning Authority · RUSSELL REYNOLDS ASSOCIATES LIMITED · £70,000 · 18 June 2026 · awarded ### [Influential Vena Solution Cloud Software 2026-2029](/contracts/ocds-b5fd17-055ff84d-d6e6-41b0-b9b8-55feb73c0b5a) nuclear decommissioning Authority · Influential · £247,260 · 16 June 2026 · awarded ### [Social Media Listening and Monitoring Platform 2026-2028](/contracts/ocds-b5fd17-4cdaccf6-3769-4753-9418-7cb4b7d7c766) Nuclear Decommissioning Authority · Talkwalker S\.à r\.l\. · £36,846 · 17 April 2026 · awarded ### [Support to change Activites](/contracts/ocds-b5fd17-2da15fa4-1796-4181-8dd9-aa8d17626dea) NUCLEAR DECOMMISSIONING AUTHORITY · THE BERKELEY PARTNERSHIP LLP · £244,200 · 15 May 2026 · awarded ### [NDA Group Intelligence Management System](/contracts/ocds-b5fd17-8ac4c704-894a-40dd-9499-d4ca712e0c7e) NUCLEAR DECOMMISSIONING AUTHORITY · Clue Computing Company Limited · £57,400 · 18 September 2025 · awarded ### [Provision of Wide Area Network \(WAN\) 2025-2028](/contracts/ocds-b5fd17-cc97cee7-99a0-42c5-ad85-4557c559ebd8) Nuclear Decommissioning Authority · Redcentric Solutions Limited · £660,068 · 22 June 2025 · awarded ### [Social Media Management Platform - 2026-28](/contracts/ocds-b5fd17-06d7ad14-98cd-41f3-b68d-cbc1a269b516) Nuclear Decommissioning Authority · Hootsuite Media UK Limited · £55,685 · 31 March 2026 · awarded ### [Mobile Airtime 2025-2027](/contracts/ocds-b5fd17-fedf7948-ec26-45a3-8dd6-143e87b8fbe2) Nuclear Decommissioning Authority · VIRGIN MEDIA BUSINESS LIMITED · £47,089 · 15 December 2025 · awarded ### [ICT Role Mapping](/contracts/ocds-b5fd17-ee056474-c0bb-44a0-a212-85554a7ef60c) NUCLEAR DECOMMISSIONING AUTHORITY · BCS LEARNING & DEVELOPMENT LIMITED · £60,000 · 17 July 2025 · awarded ### [Media Monitoring provision](/contracts/ocds-b5fd17-9e6bfca6-1646-4770-987f-19969d31b8e7) nuclear decommissioning authority · Access Intelligence Media and Communications Limited · £94,000 · 30 April 2026 · awarded ### [Occupational Health for NDA Employees](/contracts/ocds-b5fd17-455e60ab-a770-4a75-99ac-0c978bd09afd) NUCLEAR DECOMMISSIONING AUTHORITY · UK Screening Solutions Ltd · £80,000 · 29 April 2026 · awarded ### [Website Accessibility](/contracts/ocds-b5fd17-e15519d6-55b3-4f98-842a-c78c8568b72e) Nuclear Decommissioning Authority · ZOONOU LIMITED · £98,500 · 22 February 2026 · awarded ### [NDA Group Technical Testing](/contracts/ocds-b5fd17-922aa4ab-c0fd-4543-99e5-0872b87604e0) Nuclear Decommissioning Authority · COMMISSUM ASSOCIATES LIMITED · £5,400,000 · 10 December 2025 · awarded ### [Research and subscription services](/contracts/ocds-b5fd17-75d31063-4d25-4bf7-8ac4-5ddac52c5180) Nuclear Decommissioning Authority · Gartner UK ltd · £193,000 · 17 March 2026 · awarded ### [NDA9/00916\.093](/contracts/ocds-b5fd17-de2a9d65-752a-4389-bed3-a7e03a61fd5f) Nuclear Decommissioning Authority · TUV SUD Ltd · £74,829 · 21 April 2026 · awarded ### [NDA/C17430/22](/contracts/ocds-b5fd17-68bc67e6-e3de-4564-a770-4a53b9f47148) Nuclear Decommissioning Authority · National Nuclear Laboratory · £239,886 · 27 March 2026 · awarded ### [NDA/C17430/11](/contracts/ocds-b5fd17-b776bb46-e1ce-4bf8-9bd3-7f8e38738876) Nuclear Decommissioning Authority · National Nuclear Laboratory · £2,560,724 · 27 March 2026 · awarded Page 1 of 17; 422 total records.