System operational · UK tenders

Buyer profile

UK Atomic Energy Authority

otherNorth WestenglandGB

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Total contracts

351

Known spend

£176m

223 disclosed

Average value

£789,765

Per contract

Active suppliers

10

Last 5 years

Open16Awarded140Closed125

Top suppliers

Last 5 years
  1. 1

    AMENTUM CLEAN ENERGY LIMITED

    3 winslatest 27 Mar 2026CH 01120437

    £26m

  2. 2

    RCD Lockinge Ltd

    3 winslatest 18 Sept 2026

    £1m

  3. 3

    Boxxe Ltd

    3 winslatest 30 Sept 2026

    £995,531

  4. 4

    FRAZER-NASH CONSULTANCY LIMITED

    2 winslatest 21 Oct 2025CH 02562870

    £9m

  5. 5

    AtkinsRéalis UK Ltd

    2 winslatest 02 Sept 2025

    £8m

  6. 6

    Cyclife UK Ltd

    2 winslatest 18 Dec 2025

    £8m

  7. 7

    RED ENGINEERING LIMITED

    2 winslatest 28 Jul 2026CH 06651202

    £8m

  8. 8

    AS Scientific products Ltd

    2 winslatest 05 Feb 2026

    £1m

  9. 9

    OPTIMUM ELECTRICAL ENGINEERING LTD

    2 winslatest 02 Jun 2026

    £1m

  10. 10

    Arcadis Consulting (UK) Limited

    2 winslatest 26 Jun 2026

    £900,000

What they buy

By CPV category
  • Industrial 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

20 active months
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All contracts (351)

U
108811 · opportunity

DBB blockhouse LV distribution installation

UK Atomic Energy Authority
works

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).

£On request
⏱ 24 Sept 2026
Posted · 1mo agoView details →
U
59f3f6a6-6da8-4a99-8cae-d68d7a62d4f6 · Contract

DBB blockhouse LV distribution installation

UK Atomic Energy Authority
worksAny regionSME friendly

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.

££100,000
⏱ 23 Sept 2026
Posted · 1mo agoView details →
U
ocds-h6vhtk-06f1a6 · planning

Whole energy absorption spectrometer (WEAS)

UK Atomic Energy Authority
South East

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.

£On request
Posted · 1mo agoView details →
U
108768 · opportunity

Whole energy absorption spectrometer (WEAS)

UK Atomic Energy Authority
goods

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.

£On request
⏱ 2 Oct 2026
Posted · 1mo agoView details →
U
ocds-h6vhtk-06f10a · planning

Remote teleoperation robotic systems & end effector tooling

UK Atomic Energy Authority
South East

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.

£Up to £300,000
Posted · 1mo agoView details →
U
108742 · opportunity

Remote teleoperation robotic systems & end effector tooling

UK Atomic Energy Authority
goods

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.

£On request
⏱ 2 Oct 2026
Posted · 1mo agoView details →
U
ocds-h6vhtk-06aabf · award

Mentoring & coaching platform

UK Atomic Energy Authority
South East

Mentoring and coaching platform for UKAEA.

£Up to £33,500
⏱ 26 Jun 2026
Posted · 1mo agoView details →
U
ocds-h6vhtk-06ea21 · planning

CNC machinery framework

UK Atomic Energy Authority
South East

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

£Up to £1,500,000
Posted · 1mo agoView details →
U
108455 · opportunity

CNC machinery framework

UK Atomic Energy Authority
goods

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.

£On request
⏱ 4 Sept 2026
Posted · 1mo agoView details →
U
ocds-h6vhtk-06e9f7 · planning

Hot cells integration

UK Atomic Energy Authority
South East

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.

£On request
Posted · 1mo agoView details →
U
108469 · opportunity

Hot cells integration

UK Atomic Energy Authority
goods

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.

£On request
⏱ 18 Sept 2026
Posted · 1mo agoView details →
M
f612012e-d6c5-40b8-8986-f9861e57276b · Contract

Autonomous site perimeter patrolling using quadrupeds

MERCELL UK LTD
goodsAny regionSME friendly

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.

£Up to £150,000
⏱ 17 Sept 2026
Posted · 1mo agoView details →
U
108460 · opportunity

Autonomous site perimeter patrolling using quadrupeds

UK Atomic Energy Authority
goods

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.

£On request
⏱ 17 Sept 2026
Posted · 1mo agoView details →
U
108451 · opportunity

33KV substation scada supply

UK Atomic Energy Authority
goods

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.

£On request
⏱ 3 Sept 2026
Posted · 1mo agoView details →
U
ocds-h6vhtk-06df81 · award

Supply of nd: YAG lasers

UK Atomic Energy Authority
South East

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.

£Up to £205,970
Posted · 1mo agoView details →
U
ocds-h6vhtk-06e877 · planning

IR camera

UK Atomic Energy Authority
South East

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

£Up to £250,000
Posted · 1mo agoView details →
U
108202 · opportunity

IR camera

UK Atomic Energy Authority
goods

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.

£On request
⏱ 15 Sept 2026
Posted · 1mo agoView details →
U
108394 · opportunity

Mast-u diagnostic IR cameras

UK Atomic Energy Authority
goods

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.

£On request
⏱ 7 Sept 2026
Posted · 1mo agoView details →
U
90690895-4d85-4b21-b644-a8c4379a7a02 · Contract

Mast-u diagnostic IR cameras

UK Atomic Energy Authority
goodsAny regionSME friendly

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.

£Up to £170,000
⏱ 7 Sept 2026
Posted · 1mo agoView details →
U
107793 · opportunity

T/HR061/26 tooling and storage tender for ESS (sweden)

UK Atomic Energy Authority
goods

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.

£On request
⏱ 21 Sept 2026
Posted · 1mo agoView details →