🇬🇧 United Kingdom · Government buyer · Contracts Finder award data
NUCLEAR DECOMMISSIONING AUTHORITY
NUCLEAR DECOMMISSIONING AUTHORITY awarded 175 contracts between 2022 and 2026 to 73 suppliers, most often in Professional Services & Consulting and IT & Software. Its three most-awarded suppliers hold 42% of those contracts.
175 Contracts
73 Suppliers
£1.0B Total awarded
£100K Median award
Contracts by year
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| Year | Contracts | Value · £ |
|---|---|---|
| 2022 | 1 | £1,500,000 |
| 2023 | 4 | £85,208,641 |
| 2024 | 76 | £243,429,744 |
| 2025 | 61 | £692,378,201 |
| 2026 | 33 | £11,599,280 |
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Full tender history & spend breakdowns
175 contractsEvery contract this agency awarded, year-over-year spend, and sector split — plus CSV / API export.
Tender no.SupplierAmountDateSector
- ocds-b5fd17-aced6778-496e-4470-8305-7b4b2041caa8Alexander Mann Solutions Limited£522M03 Dec 2025 Professional Services
- ocds-b5fd17-a09ae58d-2faa-4a3a-9739-b8fced00ae83Alexander Mann Solutions Limited£114M16 Jan 2024 Professional Services
- ocds-b5fd17-f58f3732-4825-4153-8561-605e7956a9d3National Nuclear Laboratory£85.0M11 Dec 2023 Professional Services
Sectors by contract count
count · value- Professional Services & Consulting151£935M
- IT & Software14£22.7M
- Defense & Security4£73.4M
- Transport & Logistics2£2.2M
- Construction & Public Works1£755K
- Facilities Management1£150K
+ 2 more sectors
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Every supplier this buyer awards to
73 suppliersThe complete vendor list ranked by spend — the full supplier base, not just the leaders.
#SupplierTotal awardedLast awardContractsShare
- 1Alexander Mann Solutions Limited£636M29 May 202632%
- 2National Nuclear Laboratory£97.2M16 Mar 20261911%
- 3Iron Mountain (UK) Plc£65.0M18 Jun 202411%
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