Buyer profile
UK Atomic Energy Authority
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Total contracts
351
Known spend
£176m
223 disclosed
Average value
£789,765
Per contract
Active suppliers
10
Last 5 years
Top suppliers
Last 5 years- 1
AMENTUM CLEAN ENERGY LIMITED
£26m
- 2
RCD Lockinge Ltd
3 winslatest 18 Sept 2026£1m
- 3
Boxxe Ltd
3 winslatest 30 Sept 2026£995,531
- 4
FRAZER-NASH CONSULTANCY LIMITED
£9m
- 5
AtkinsRéalis UK Ltd
2 winslatest 02 Sept 2025£8m
- 6
Cyclife UK Ltd
2 winslatest 18 Dec 2025£8m
- 7
RED ENGINEERING LIMITED
£8m
- 8
AS Scientific products Ltd
2 winslatest 05 Feb 2026£1m
- 9
OPTIMUM ELECTRICAL ENGINEERING LTD
2 winslatest 02 Jun 2026£1m
- 10
Arcadis Consulting (UK) Limited
2 winslatest 26 Jun 2026£900,000
What they buy
By CPV categoryIndustrial machineryCPV 42
26 contracts · £347,500
Electrical equipmentCPV 31
18 contracts · £4m
Lab & precision equipmentCPV 38
18 contracts · £755,001
Construction worksCPV 45
14 contracts · £7m
Business servicesCPV 79
11 contracts · £32m
IT servicesCPV 72
11 contracts · £1m
Architectural & engineeringCPV 71
9 contracts · £285,000
Sewage, refuse & cleaningCPV 90
7 contracts · £60,001
Tender activity
Notices published per month — last 24 months
All contracts (351)
DBB blockhouse LV distribution installation
This contract is for the civil, mechanical and electrical installation of a low‑voltage (LV) power distribution system – called the DBB Blockhouse – connecting the existing D12 Automatic Transfer Switch to the D1‑PDU12, including isolation transformers and an auxiliary board, for the UK Atomic Energy Authority (UKAEA).
DBB blockhouse LV distribution installation
This contract is for the civil, mechanical and electrical work needed to install a low‑voltage (LV) power distribution system in the DBB Blockhouse, linking the existing D12 Automatic Transfer Switch to the D1‑PDU12, including transformers and a distribution board.
Whole energy absorption spectrometer (WEAS)
UKAEA wishes to gather an understanding of the industry capabilities, experience, and limitations in developing a 4-pi scintillator detection system for decay heat measurement.
Whole energy absorption spectrometer (WEAS)
UKAEA is seeking information from suppliers about their ability to design and build a 4‑π scintillator detection system for measuring decay heat, to understand what the market can deliver.
Remote teleoperation robotic systems & end effector tooling
To identify and assess the suitability of existing technologies to pick and place graphite blocks via a remote teleoperation robotic system with an end effector tool.
Remote teleoperation robotic systems & end effector tooling
The government is looking for a supplier to evaluate existing remote‑controlled robotic systems and end‑effector tools that can pick and place graphite blocks, to see which technology best meets the project’s needs.
Mentoring & coaching platform
Mentoring and coaching platform for UKAEA.
CNC machinery framework
The UK Atomic Energy Authority (UKAEA) currently has six Multi Axis CNC Milling & Turning Machining Centres and is looking for interested suppliers in support of the following: - O
CNC machinery framework
UKAEA needs suppliers to maintain, repair and replace its six multi‑axis CNC milling and turning centres, providing OEM engineers, spare parts and new machines.
Hot cells integration
The MRF Hot Cell bank comprises 3 old, and 2 new, hot cells. These must be integrated to operate under a single nuclear-relevant ventilation system.
Hot cells integration
The contract is for integrating five hot cells (three existing and two new) at the MRF into a single, nuclear‑grade ventilation system. It is aimed at suppliers with experience in nuclear‑related ventilation and hot‑cell engineering.
Autonomous site perimeter patrolling using quadrupeds
UKAEA is looking for a contractor to design, configure, deploy and demonstrate a proof‑of‑concept autonomous perimeter patrol using Boston Dynamics' Spot robot, to test its usefulness for site security and monitoring.
Autonomous site perimeter patrolling using quadrupeds
UKAEA wants a contractor to design, set up and demonstrate a proof‑of‑concept using Boston Dynamics' Spot robot to patrol the perimeter of its site autonomously, showing how it can improve safety and reduce manual patrols.
33KV substation scada supply
The UK Atomic Energy Authority needs a specialist to design, build, install and commission a new IEC 61850‑compliant SCADA system for its 400/33kV J5 substation, replacing the old control and automation setup. The contract covers everything from design to the operator workstation and integration with all field devices.
Supply of nd: YAG lasers
The UK Atomic Energy Authority has a requirement for the Supply of Nd: YAG Lasers for use in its MAST-U Thomson Scattering Diagnostic system at Culham Campus, Oxfordshire.
IR camera
This camera/software is to be used on a high heat flux test facility, looking at metallic samples that are induction heated to the stated temperature range. The sample will be in a
IR camera
The contract is for supplying an infrared camera and accompanying software to monitor metallic samples heated by induction in a vacuum test facility, with the camera viewing through a window that may be changed.
Mast-u diagnostic IR cameras
This contract is for the supply of two complete diagnostic infrared camera systems (including lenses, software, SDK, power supply and PC communication equipment) for the MAST‑U project, with each system operating independently.
Mast-u diagnostic IR cameras
The contract is for the supply of two complete infrared (IR) camera systems for the MAST‑U diagnostic. Each system must include the camera, lenses, software and SDK, power supply and any equipment needed to connect the camera to a PC, and the two units must operate independently.
T/HR061/26 tooling and storage tender for ESS (sweden)
The UKAEA (via STFC) is buying a complete tooling storage system for the European Spallation Source in Sweden, including several specialised storage devices and a cable‑spooling tool, to be manufactured, tested and shipped from the UK.