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 .
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
| Field | Value |
|---|---|
| Name | UK Atomic Energy Authority |
| Country | United Kingdom |
| Buyer type | Central government authority |
| City | Oxfordshire |
| Sources | UK Contracts Finder, UK Find a Tender |
Top suppliers
| Supplier | Registry number | Website | Awards | Value won alone |
|---|---|---|---|---|
| Boxxe Ltd | 5 | €1.8M | ||
| Amentum Clean Energy Limited | 4 | €222k | ||
| Softcat Plc | 4 | €822k | ||
| Kyoto Fusioneering UK Ltd | 3 | n/a | ||
| Oxford Sigma Ltd | 3 | n/a | ||
| RCD Lockinge Ltd | 3 | €2.0M | ||
| Ansys UK Ltd | 2 | n/a | ||
| Arcadis Consulting (UK) Limited | 2 | €1.0M | ||
| AS Scientific Products Ltd | 2 | €1.3M | ||
| ATKINSRÉALIS UK LIMITED | 2 | €555k | ||
| Cambridge Multiphysics Limited | 2 | n/a | ||
| Carbon Threesixty Ltd | 2 | €200k | ||
| ComputaCenter (UK) Limited | 2 | €370k | ||
| Comsol Limited | 2 | n/a | ||
| Cyclife UK Ltd | 2 | €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
| Ends | Contract | Current holder | Value | End date basis |
|---|---|---|---|---|
| 2026-10-30 | Blockhouse Experimental Area Vision and Audio Monitoring System | RED ENGINEERING LIMITED | €35,007 | end date stated |
| 2026-10-31 | Water and Waste Water Supply (services) | Advanced Demand Side Management Ltd | €462k | end date stated |
| 2026-10-31 | Yorkshire TFM | BAM FM Ltd | €172k | end date stated |
| 2026-11-04 | Lead Lithium Experimentation Loop | FRAZER-NASH CONSULTANCY LIMITED | €1.4M | end date stated |
| 2026-11-27 | Unit4 ERP Vision Managed Service | €40,522 | end date stated | |
| 2026-12-31 | HVPS D15 Cooling System | Cool-Therm (UK) Limited | €120k | end date stated |
| 2026-12-31 | JNCA-MJB-156-25 Office Space Rental | Harrison Property Houldings | €45,895 | end date stated |
| 2026-12-31 | Manufacture of Ceramic Heater | Thermic Edge Ceramics Ltd | €29,098 | end date stated |
| 2027-01-29 | AGHS Remote Access and Cybersecurity Upgrade | ABB Limited | €719k | end date stated |
| 2027-01-31 | Supply & Installation of Water Cooling System Components for a relocated Vacuum Furnace | €218k | end date stated | |
| 2027-01-31 | Supply of Nd: YAG Lasers | Photonic Solutions Ltd | €241k | end date stated |
| 2027-02-27 | Software Licenses - Document Management | Ultima Business Solutions Limited | €139k | end date stated |
| 2027-02-28 | HVPS Electrical Installation | The Oxford Mechanical & Electrical Company Ltd | €221k | end date stated |
| 2027-03-12 | Monday.com Licenses | Softcat Plc | €75,031 | end date stated |
| 2027-03-19 | Industry Simulation Software for Fusion | ANSYS UK LIMITED, BATHWICK ELECTRICAL DESIGN LIMITED, CAMBRIDGE MULTI-PHYSICS LIMITED, ... | €480k | end date stated |
| 2027-03-31 | Embedding Innovation and Commercialisation | FIS360 Ltd | €134k | end date stated |
| 2027-03-31 | Incineration of Radioactive Waste | Veolia ES (UK) Ltd | €1.7M | end date stated |
| 2027-03-31 | T/HR061/26 Tooling and Storage Tender for ESS (Sweden) | NORTEMECANICA | €117k | end date stated |
| 2027-03-31 | Unified Training Simulators | TOIA Ltd | €2.7M | end date stated |
| 2027-03-31 | HV Cable Procurement | KEI Industries Ltd | €241k | end date stated |
| 2027-04-03 | Event Management and PCO Support | Amplitude Event Solutions Ltd | €410k | end date stated |
| 2027-04-09 | CMF12100 remainder of project | OPTIMUM ELECTRICAL ENGINEERING LTD | €1.3M | end date stated |
| 2027-05-11 | Autodesk Licenses | €57,760 | end date stated | |
| 2027-05-23 | Relocation Services | TTHCurzon Relocation Ltd | €6.4M | end date stated |
| 2027-05-31 | MAST-U P1 & Pc Coils | TESLA ENGINEERING LIMITED | €997k | end 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
| Deadline | Call for tender | Published | Estimated value |
|---|---|---|---|
| 2026-10-29 | Non-Planar Surface Characterisation and Swabbing Using the Spot Robot | 2026-10-08 | n/a |
| 2026-11-04 | The Supply 3 kg of Lithium Metatitanate (Li₂TiO₃) Pebbles | 2026-10-20 | €71,625 |
| 2026-11-05 | J5 Super Grid Transformer Refurbishment | 2026-10-07 | €2.4M |
| 2026-11-05 | HVPS Cabling | 2026-10-09 | €298k |
| 2026-11-06 | 33kV Substation SCADA Supply | 2026-09-21 | €466k |
| 2026-11-10 | Hazard Management Tool | 2026-10-20 | €59,687 |
| 2026-11-16 | Vacuum Pump Tritium Testing | 2026-10-16 | €477k |
Calls with a deadline of 2026-10-27 or later (not awarded yet).
Spend by sector (CPV divisions)
| Sector | CPV | Awards | Awarded value |
|---|---|---|---|
| IT services | 72 | 27 | €11.8M |
| Industrial machinery | 42 | 14 | €2.3M |
| Laboratory and precision equipment | 38 | 13 | €3.7M |
| Construction work | 45 | 13 | €7.2M |
| Software packages and information systems | 48 | 13 | €11.9M |
| Electrical equipment and lighting | 31 | 10 | €5.8M |
| Business services | 79 | 10 | €45.5M |
| Research and development | 73 | 8 | €5.1M |
| Repair and maintenance services | 50 | 6 | €11.1M |
| Architecture and engineering services | 71 | 6 | €3.5M |
| Construction materials | 44 | 5 | €442k |
| Waste, cleaning and environmental services | 90 | 5 | €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
| Published | Contract | Winners | Value |
|---|---|---|---|
| 2026-10-23 | Unified Training Simulators | TOIA Ltd | €2.7M |
| 2026-10-23 | HV Cable Procurement | KEI Industries Ltd | €241k |
| 2026-10-15 | Gitlab Managed Service & Ultimate Pilot | OTTRA Ltd | €716k |
| 2026-10-15 | Provision of Ultra-High Resolution Mass Spectrometer | NU INSTRUMENTS LIMITED | €1.2M |
| 2026-10-12 | Fortinet Co-Term & Renewal | Boxxe Ltd | €412k |
| 2026-10-07 | Digital Asset Management Software | ComputaCenter (UK) Limited | €276k |
| 2026-10-07 | Power Costs - Hosting | Equinix Inc | €9.7M |
| 2026-10-06 | Outward Bound Residential Provider for Graduates and Apprentices | Skern Lodge Limited | €54,963 |
| 2026-10-05 | Corporate Clothing | Arco Ltd | €209k |
| 2026-10-02 | FREIA Cluster Replacement | Boxxe 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.