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

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All contracts (351)

U
ocds-h6vhtk-065a62 · planning

PME for crop sampling and environmental sampling ( 2 lots)

UK Atomic Energy Authority
South East

This PME seeks to explore the market insights for a two-lot contract covering Crop Sampling (Lot 1) and Environmental Sampling (Lot 2). Services include field sampling, laboratory

£Up to £230,000
Posted · 7mo agoView details →
U
ocds-h6vhtk-05f65d · award

Laboratory information management system

UK Atomic Energy Authority
South East

The MRF currently operate what is locally referred to as a “fractured LIMS”, which consists of several tools that take the place of different tasks of a LIMS, but don’t fully inter

£Up to £280,920
⏱ 6 Feb 2026
Posted · 7mo agoView details →
U
ocds-h6vhtk-065830 · award

Gan HEMT semiconductor etching

UK Atomic Energy Authority
South East

The project aims to create full microelectronics manufacturing on Gallium Nitride (GaN) integrated circuits

£Up to £39,400
Posted · 7mo agoView details →
U
ocds-h6vhtk-05d275 · award

Erato

UK Atomic Energy Authority
South East

This specification covers The United Kingdom Atomic Energy Authority’s (“the Authority’s”) requirement for the ERATO project to support the THALIA Project. The ERATO package is to

£Up to £49,995
⏱ 19 Nov 2025
Posted · 7mo agoView details →
U
ocds-h6vhtk-064b0e · award

Spectrometer

UK Atomic Energy Authority
South East

Supply of a High-Throughput Imaging Spectrometer for Multi-Track Spectroscopy at visible wavelengths (primarily, though not limited to, 656nm).

£Up to £45,200
Posted · 8mo agoView details →
U
ocds-h6vhtk-0648fc · award

Cryomechanical test frame for materials qualification

UK Atomic Energy Authority
South East

Envisaged scope of supply • Dry cryostat compatible with digital image correlation, conventional contact-based extensometery and point sensors (e.g., strain gauges). Some compromis

£Up to £619,500
Posted · 8mo agoView details →
U
ocds-h6vhtk-0648c9 · award

Lead lithium eutectic alloy mini experimental loop

UK Atomic Energy Authority
South East

Electromagnetic Pump PMP400-270 PbLi - 550ºC T.max. Flowmeter & Throttle Valve 600ºC T.max - including dummy spool piece for use during build of loop and acceptance tests, prior to

£Up to £291,160
Posted · 8mo agoView details →
U
ocds-h6vhtk-04ef21 · award

Design, supply, and installation of a liquid nitrogen storage &distribution system

UK Atomic Energy Authority
South East

Design, Supply, and Installation of a Liquid Nitrogen Storage and Distribution System for the H3AT Facility at UKAEA Culham Campus

£Up to £1,145,414
⏱ 8 Aug 2025
Posted · 8mo agoView details →
U
ocds-h6vhtk-05f865 · award

Supply of UR12e and grippers

UK Atomic Energy Authority
South East

This specification defines the technical and integration requirements for the purchase of 7 Universal Robots UR10e robotic arms and associated accessories. The systems will support

£Up to £256,344
⏱ 12 Jan 2026
Posted · 8mo agoView details →
U
ocds-h6vhtk-061610 · tender

Supply AND install OF 415AC distribution, metering AND inter-trip panels

UK Atomic Energy Authority
South East

The contractor is to design, manufacture, deliver, install and commission the following: · 415V AC Distribution Board · 415V Auxiliary Supply Isolation Cubicles · Inter-trip Panel

£Up to £400,000
⏱ 3 Mar 2026
Posted · 8mo agoView details →
U
ocds-h6vhtk-061460 · award

Ukaea culham campus librti building

UK Atomic Energy Authority
worksSouth East

Design & Build of the LiBRTI Building at Culham Campus

£On request
Posted · 8mo agoView details →
U
ocds-h6vhtk-0611d5 · award

Stainless steel flexible hoses

UK Atomic Energy Authority
South East

Design, manufacture and test stainless steel flexible hoses.

£Up to £26,400
Posted · 8mo agoView details →
U
ocds-h6vhtk-060fc2 · award

Amendment to design solution re mast-u EBW cooling system

UK Atomic Energy Authority
South East

Amendment to Design Solution Re MAST-U EBW Cooling System covering collector cooling water supply.

£Up to £36,250
Posted · 8mo agoView details →
U
ocds-h6vhtk-060f99 · award

Electric boiler - supply & installation

UK Atomic Energy Authority
South East

The works required involve installing a 150-kW supplementary electric boiler to support the heating system in J1XE50. The package includes hot tapping the buffer vessel, installing

£Up to £72,000
Posted · 8mo agoView details →
U
ocds-h6vhtk-05d838 · tender

33KV substation scada supply

UK Atomic Energy Authority
South East

UKAEA are looking to engage a Supervisory Control And Data Acquisition (SCADA) specialist to develop a new SCADA system in J5 based on the IEC 61850 protocol, replacing the existin

£Up to £400,000
⏱ 23 Feb 2026
Posted · 8mo agoView details →
U
ocds-h6vhtk-0607f3 · award

Gyrotron improvements pipework

UK Atomic Energy Authority
South East

Hydrasun have been requested to support with a proposal for Gyrotron Pipework improvements at UKAEA, Culham Campus – as part of their EBW Water Cooling System project. This supplie

£Up to £25,410
Posted · 8mo agoView details →
U
ocds-h6vhtk-0607cf · award

Ukaea compass bandpass filter

UK Atomic Energy Authority
South East

UKAEA has the requirement for the supply of optical filters to be used in the build of Polychromators. The optical filters from Alluxa are a bespoke product proven to be suitable f

£Up to US$124,675
Posted · 8mo agoView details →
U
ocds-h6vhtk-06072c · award

Refurbishment request for is inserts

UK Atomic Energy Authority
South East

The equipment specified above is high voltage switchgear rated at 36 kV and was manufactured and installed in the HV substation in J5 by ABB Ltd. Onsite test and servicing of 6 x A

£Up to £34,678
Posted · 8mo agoView details →
U
ocds-h6vhtk-06069e · award

Supply of CCS-400H cryostat, compressor, 335-3060 controller

UK Atomic Energy Authority
South East

Supply of CCS-400H cryostat, compressor, 335-3060 controller for THEIA project.

£Up to £56,480
Posted · 8mo agoView details →
U
ocds-h6vhtk-0605f9 · award

Refurbished 1MVA 11Kv/433V transformer

UK Atomic Energy Authority
South East

Procurement of a refurbished 1MVA 11Kv/433V Transformer.

£Up to £59,680
Posted · 9mo agoView details →