Tenders / Buyers / United Kingdom

Nuclear Decommissioning Authority: public contracts and tenders

Nuclear Decommissioning Authority awarded 211 public contracts worth €791.6M where a value is stated since 2025-03-12; the IT services contract held by SET3 Solutions ends on 2026-10-31 (end date stated). Source: Arcadium Data, data as of .

Contract awards211
Awarded value (stated)€791.6M
Suppliers named95
Ending in 18 months64
Open calls now5
Calls for tender13
First award2025-03-12
Latest award2026-10-23

Awarded value = the award values the notices state (EUR at the notice date), 192 of 211 awards; framework agreements (a ceiling, not spend) and implausible values are left out.

Buyer

FieldValue
NameNuclear Decommissioning Authority
CountryUnited Kingdom
Buyer typeCentral government authority
CityCumbria
SourcesUK Contracts Finder, UK Find a Tender

Top suppliers

SupplierRegistry numberWebsiteAwardsValue won alone
TUV SUD Ltd31€3.0M
TUV SUD LTDSC215164 Companies House (GB)tuv-sud.co.uk11€1.3M
AMENTUM CLEAN ENERGY LIMITED8€1.3M
Nuclear Industry Association5€361k
THE BERKELEY PARTNERSHIP LLP4€1.0M
The Copyright Licensing Agency Limited4€358k
Orano Limited4€1.0M
Energus3€10.0M
RUSSELL REYNOLDS ASSOCIATES LIMITED3€322k
Winchester Consulting Ltd3€169k
Forest Carbon Ltd2€182k
Frazer-Nash Consultancy Ltd2€199k
Institution of Civil Engineers2€32,012
Korn Ferry (UK) Ltd2€2.5M
LNRS Data Services2€133k

Suppliers named on Nuclear Decommissioning Authority's award notices (the top 15 of 95); registry number and website where the supplier is linked to its register entry. Winners that could be a private person are withheld.

Contracts ending in the next 18 months

EndsContractCurrent holderValueEnd date basis
2026-10-31Manage Engine softwareSET3 Solutions€98,887end date stated
2026-11-02(05 - SF&NM) GK25-13AMENTUM CLEAN ENERGY LIMITED€120kend date stated
2026-11-20GK25-12AMENTUM CLEAN ENERGY LIMITED€109kend date stated
2026-11-20GK25-16€90,056end date stated
2026-11-24(04 - SF&NM) GK25-14AMENTUM CLEAN ENERGY LIMITED€168kend date stated
2026-11-26NDA/C17430/17 - HIP1 Equipment to make MOX pellets€649kend date stated
2026-11-30NDA group Jobs Portal Hosting, Maintenance & ReportingWinchester Consulting Ltd€48,752end date stated
2026-12-31Anchor Partnership extension with the National Decommissioning Centre (NDC).National Decommissioning Centre€230kend date stated
2026-12-31DMOX 3D AudiovisualOrano Limited€185kend date stated
2026-12-31NSAN Membershipnational skills academy for nuclear limited€12,698end date stated
2026-12-31Record Logging SystemDoc-Works€59,308end date stated
2026-12-31Early careers activitiesCareerMap Ltd.€15,024end date stated
2026-12-3112 Month membership of the Institution of Civil EngineersInstitution of Civil Engineers€17,566end date stated
2026-12-31C29663.015 - PuIP - Checking and Assurance of Technology Choice PaperTUV SUD LTD (Companies House (GB) SC215164)€27,080end date stated
2027-01-31Role of the NDA Centre, Group Functions Design, Unity Programme SupportTHE BERKELEY PARTNERSHIP LLP€465kend date stated
2027-01-31Nuclear Week in Parliament Sponsorship 2027 SponsorshipNuclear Industry Association€13,315end date stated
2027-01-31Step Change MembershipStep Change in Safety Limited€30,115end date stated
2027-02-22Website AccessibilityZOONOU LIMITED€113kend date stated
2027-02-28Membership BICBusiness in the Community€12,334end date stated
2027-03-08C29663.009 - Review of the Radioactive Waste Strategy 2019 ProjectTUV SUD LTD (Companies House (GB) SC215164)€66,331end date stated
2027-03-31NDA Legal Panel 2025DENTONS UK AND MIDDLE EAST LLP, DWF Law LLP€5.7Mend date stated
2027-03-31Head Hunting Services to source an NDA Chair of the Board.RUSSELL REYNOLDS ASSOCIATES LIMITED€81,045end date stated
2027-03-31Independent advice to the Remuneration CommitteesKorn Ferry (UK) Ltd€586kend date stated
2027-03-31NDA/C17430/15 - NDA Legacy Waste Cave 5€746kend date stated
2027-03-31OpenText Optimised Assist 2026-2027OpenText UK Limited€154kend date stated

End dates checked against the official notice: 99% right (n=100, 95% CI 94%-100%, 2026-10-26; method).

Award notices of Nuclear Decommissioning Authority whose contract period ends in the next 18 months: the end date the notice states, else its start or signature date plus the stated duration. 64 contracts (the 25 soonest shown); a framework's value is a ceiling and is not shown.

Open calls for tender

Calls with a deadline of 2026-10-27 or later (not awarded yet).

Spend by sector (CPV divisions)

SectorCPVAwardsAwarded value
Research and development7386€32.8M
Business services7927€659.7M
Other community and personal services9816€893k
IT services7212€60.4M
Education and training808€12.0M
Software packages and information systems487€173k
Financial and insurance services664€1.9M
Architecture and engineering services713€1.8M
Recreational, cultural and sporting services923€221k
Repair and maintenance services502€221k
Postal and telecom services642€201k
Printed matter221€71,133

Award notices with a named winner, by the main CPV code; value = the total the notices state, in EUR at the notice date; framework agreements (a ceiling, not spend) and implausible values are left out.

Recent awards

Follow this buyer free

Get Nuclear Decommissioning Authority's new calls for tender, awards and contracts ending in a free weekly email (Tender Radar free tier: a saved search for this buyer's name in United Kingdom). The same data is in the REST API and the MCP server.

Sources: UK Contracts Finder, UK Find a Tender, read through their open-data feeds without logging in. Buyer = contracting authority as named on the notice; notices are grouped by the normalised name and country.

Source: Arcadium Data tenders database, 3,811,022 official public procurement notices from EU TED, UK Find a Tender, UK Contracts Finder and national procurement boards, read through their open-data services (no logins). Winners that could be a private person (sole traders) are withheld; buyers are public bodies. Data as of 2026-10-27.

Questions

How many public contracts has Nuclear Decommissioning Authority awarded?

Nuclear Decommissioning Authority published 211 contract award notices between 2025-03-12 and 2026-10-23; the 192 that state a value add up to €791.6M (official notices, as of 2026-10-27).

Who are Nuclear Decommissioning Authority's biggest suppliers?

By contract awards: TUV SUD Ltd (31), TUV SUD LTD (11) and AMENTUM CLEAN ENERGY LIMITED (8) (as of 2026-10-27). Winners that could be a private person are not named.

Which Nuclear Decommissioning Authority contracts end soon?

64 contracts awarded by Nuclear Decommissioning Authority end in the next 18 months. The soonest with a named holder is the IT services contract held by SET3 Solutions, ending on 2026-10-31 (end date stated) (as of 2026-10-27).

Does Nuclear Decommissioning Authority have open tenders now?

Yes: 5 calls for tender from Nuclear Decommissioning Authority are open today (deadline 2026-10-27 or later) (as of 2026-10-27).

What does Nuclear Decommissioning Authority buy?

Most of Nuclear Decommissioning Authority's awards are in Research and development (CPV 73) (86), Business services (CPV 79) (27) and Other community and personal services (CPV 98) (16) (as of 2026-10-27).

Cite as: Arcadium Data, "Nuclear Decommissioning Authority tenders and contracts: 211 awards, suppliers, contracts ending", https://arcadiumdata.io/tenders/buyers/nuclear-decommissioning-authority-gb/, data as of 2026-10-27.