Tenders / Buyers / United Kingdom

UK Atomic Energy Authority: public contracts and tenders

UK Atomic Energy Authority awarded 173 public contracts worth €153.3M where a value is stated since 2025-03-19; the research and development contract held by RED ENGINEERING LIMITED ends on 2026-10-30 (end date stated). Source: Arcadium Data, data as of .

Contract awards173
Awarded value (stated)€153.3M
Suppliers named147
Ending in 18 months49
Open calls now7
Calls for tender86
First award2025-03-19
Latest award2026-10-23

Awarded value = the award values the notices state (EUR at the notice date), 166 of 173 awards; framework agreements (a ceiling, not spend) and implausible values are left out.

Buyer

FieldValue
NameUK Atomic Energy Authority
CountryUnited Kingdom
Buyer typeCentral government authority
CityOxfordshire
SourcesUK Contracts Finder, UK Find a Tender

Top suppliers

SupplierRegistry numberWebsiteAwardsValue won alone
Boxxe Ltd5€1.8M
Amentum Clean Energy Limited4€222k
Softcat Plc4€822k
Kyoto Fusioneering UK Ltd3n/a
Oxford Sigma Ltd3n/a
RCD Lockinge Ltd3€2.0M
Ansys UK Ltd2n/a
Arcadis Consulting (UK) Limited2€1.0M
AS Scientific Products Ltd2€1.3M
ATKINSRÉALIS UK LIMITED2€555k
Cambridge Multiphysics Limited2n/a
Carbon Threesixty Ltd2€200k
ComputaCenter (UK) Limited2€370k
Comsol Limited2n/a
Cyclife UK Ltd2€439k

Suppliers named on UK Atomic Energy Authority's award notices (the top 15 of 147); 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
2026-10-30Blockhouse Experimental Area Vision and Audio Monitoring SystemRED ENGINEERING LIMITED€35,007end date stated
2026-10-31Water and Waste Water Supply (services)Advanced Demand Side Management Ltd€462kend date stated
2026-10-31Yorkshire TFMBAM FM Ltd€172kend date stated
2026-11-04Lead Lithium Experimentation LoopFRAZER-NASH CONSULTANCY LIMITED€1.4Mend date stated
2026-11-27Unit4 ERP Vision Managed Service€40,522end date stated
2026-12-31HVPS D15 Cooling SystemCool-Therm (UK) Limited€120kend date stated
2026-12-31JNCA-MJB-156-25 Office Space RentalHarrison Property Houldings€45,895end date stated
2026-12-31Manufacture of Ceramic HeaterThermic Edge Ceramics Ltd€29,098end date stated
2027-01-29AGHS Remote Access and Cybersecurity UpgradeABB Limited€719kend date stated
2027-01-31Supply & Installation of Water Cooling System Components for a relocated Vacuum Furnace€218kend date stated
2027-01-31Supply of Nd: YAG LasersPhotonic Solutions Ltd€241kend date stated
2027-02-27Software Licenses - Document ManagementUltima Business Solutions Limited€139kend date stated
2027-02-28HVPS Electrical InstallationThe Oxford Mechanical & Electrical Company Ltd€221kend date stated
2027-03-12Monday.com LicensesSoftcat Plc€75,031end date stated
2027-03-19Industry Simulation Software for FusionANSYS UK LIMITED, BATHWICK ELECTRICAL DESIGN LIMITED, CAMBRIDGE MULTI-PHYSICS LIMITED, ...€480kend date stated
2027-03-31Embedding Innovation and CommercialisationFIS360 Ltd€134kend date stated
2027-03-31Incineration of Radioactive WasteVeolia ES (UK) Ltd€1.7Mend date stated
2027-03-31T/HR061/26 Tooling and Storage Tender for ESS (Sweden)NORTEMECANICA€117kend date stated
2027-03-31Unified Training SimulatorsTOIA Ltd€2.7Mend date stated
2027-03-31HV Cable ProcurementKEI Industries Ltd€241kend date stated
2027-04-03Event Management and PCO SupportAmplitude Event Solutions Ltd€410kend date stated
2027-04-09CMF12100 remainder of projectOPTIMUM ELECTRICAL ENGINEERING LTD€1.3Mend date stated
2027-05-11Autodesk Licenses€57,760end date stated
2027-05-23Relocation ServicesTTHCurzon Relocation Ltd€6.4Mend date stated
2027-05-31MAST-U P1 & Pc CoilsTESLA ENGINEERING LIMITED€997kend date stated

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

Award notices of UK Atomic Energy 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. 49 contracts (the 25 soonest shown); a framework's value is a ceiling and is not shown.

Open calls for tender

DeadlineCall for tenderPublishedEstimated value
2026-10-29Non-Planar Surface Characterisation and Swabbing Using the Spot Robot2026-10-08n/a
2026-11-04The Supply 3 kg of Lithium Metatitanate (Li₂TiO₃) Pebbles2026-10-20€71,625
2026-11-05J5 Super Grid Transformer Refurbishment2026-10-07€2.4M
2026-11-05HVPS Cabling2026-10-09€298k
2026-11-0633kV Substation SCADA Supply2026-09-21€466k
2026-11-10Hazard Management Tool2026-10-20€59,687
2026-11-16Vacuum Pump Tritium Testing2026-10-16€477k

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

Spend by sector (CPV divisions)

SectorCPVAwardsAwarded value
IT services7227€11.8M
Industrial machinery4214€2.3M
Laboratory and precision equipment3813€3.7M
Construction work4513€7.2M
Software packages and information systems4813€11.9M
Electrical equipment and lighting3110€5.8M
Business services7910€45.5M
Research and development738€5.1M
Repair and maintenance services506€11.1M
Architecture and engineering services716€3.5M
Construction materials445€442k
Waste, cleaning and environmental services905€3.8M

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

PublishedContractWinnersValue
2026-10-23Unified Training SimulatorsTOIA Ltd€2.7M
2026-10-23HV Cable ProcurementKEI Industries Ltd€241k
2026-10-15Gitlab Managed Service & Ultimate PilotOTTRA Ltd€716k
2026-10-15Provision of Ultra-High Resolution Mass SpectrometerNU INSTRUMENTS LIMITED€1.2M
2026-10-12Fortinet Co-Term & RenewalBoxxe Ltd€412k
2026-10-07Digital Asset Management SoftwareComputaCenter (UK) Limited€276k
2026-10-07Power Costs - HostingEquinix Inc€9.7M
2026-10-06Outward Bound Residential Provider for Graduates and ApprenticesSkern Lodge Limited€54,963
2026-10-05Corporate ClothingArco Ltd€209k
2026-10-02FREIA Cluster ReplacementBoxxe Ltd€1.2M

Follow this buyer free

Get UK Atomic Energy 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 UK Atomic Energy Authority awarded?

UK Atomic Energy Authority published 173 contract award notices between 2025-03-19 and 2026-10-23; the 166 that state a value add up to €153.3M (official notices, as of 2026-10-27).

Who are UK Atomic Energy Authority's biggest suppliers?

By contract awards: Boxxe Ltd (5), Amentum Clean Energy Limited (4) and Softcat Plc (4) (as of 2026-10-27). Winners that could be a private person are not named.

Which UK Atomic Energy Authority contracts end soon?

49 contracts awarded by UK Atomic Energy Authority end in the next 18 months. The soonest with a named holder is the research and development contract held by RED ENGINEERING LIMITED, ending on 2026-10-30 (end date stated) (as of 2026-10-27).

Does UK Atomic Energy Authority have open tenders now?

Yes: 7 calls for tender from UK Atomic Energy Authority are open today (deadline 2026-10-27 or later) (as of 2026-10-27).

What does UK Atomic Energy Authority buy?

Most of UK Atomic Energy Authority's awards are in IT services (CPV 72) (27), Industrial machinery (CPV 42) (14) and Laboratory and precision equipment (CPV 38) (13) (as of 2026-10-27).

Cite as: Arcadium Data, "UK Atomic Energy Authority tenders and contracts: 173 awards, suppliers, contracts ending", https://arcadiumdata.io/tenders/buyers/uk-atomic-energy-authority-gb/, data as of 2026-10-27.