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
Open
109423 · opportunity

Radiation and tritium safety diagnostics

UK Atomic Energy Authority
goods

This contract is for supplying radiation and tritium safety diagnostics equipment to the Culham Campus, split into two separate lots that can be quoted on individually or together.

£On request
⏱ 22 Oct 2026
Posted · 2w ago11d to apply →
U
55bf7402-df33-417b-9c25-13a37c0a3e0d · Contract

Dell powerscale support

UK Atomic Energy Authority
servicesSouth East

This contract is for a supplier to provide ongoing support and maintenance for Dell PowerScale storage systems used by a UK government department. It covers technical assistance, incident response, and provision of updates or spare parts. The buyer is looking for a company that can manage the storage infrastructure reliably.

££260,000
⏱ 10 Aug 2026
Posted · 2w agoView details →
U
7e96d006-0ad7-46c8-a87f-78564b240f01 · Contract

Hard FM services

UK Atomic Energy Authority
servicesAny regionSME friendly

This is an award notice only and not a call to competition after completion of a competitive exercise using the Government Commercial Agency Framework RM6232 Lot 2b Hard Facilities

£Up to £32,000,000
⏱ 26 Jan 2026
Posted · 2w agoView details →
U
ocds-h6vhtk-07781a · award

Installation and relocation of storage nodes

UK Atomic Energy Authority
South East

Installation of new storage nodes and relocation of existing storage nodes within the same system

£On request
Posted · 2w agoView details →
U
ocds-h6vhtk-077814 · award

Installation and relocation of storage nodes

UK Atomic Energy Authority
South East

Installation of new storage nodes and relocation of existing storage nodes within the same system

£On request
Posted · 2w agoView details →
U
ocds-h6vhtk-06be49 · award

Fusion APPG support

UK Atomic Energy Authority
South East

Fusion APPG support for 26/27

£Up to £180,000
⏱ 31 Jul 2026
Posted · 2w agoView details →
U
Open
ocds-h6vhtk-06e9ac · tender

33KV substation scada supply

UK Atomic Energy Authority
South East

The United Kingdom Atomic Energy Authority are looking to engage a Supervisory Control And Data Acquisition (SCADA) specialist to develop a new SCADA system in J5 based on the IEC

£Up to £400,000
⏱ 6 Nov 2026
Posted · 2w ago27d to apply →
U
Open
109294 · 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 400/33 kV J5 substation, replacing the old CODAS control and automation setup.

£On request
⏱ 6 Nov 2026
Posted · 2w ago27d to apply →
U
Open
109291 · opportunity

HV cable procurement

UK Atomic Energy Authority
goods

UKAEA needs to buy 4,000 metres of new 33 kV high‑voltage cable for the J5 electrical infrastructure at the Culham Campus. The contract is for supplying a single‑core 400 mm² copper cable that meets the required technical and safety standards.

£On request
⏱ 16 Oct 2026
Posted · 3w ago5d left →
U
ocds-h6vhtk-067664 · award

Industry simulation software for fusion

UK Atomic Energy Authority
South East

Industry Simulation Software for Fusion is a multi year rolling project aiming to define Fusion relevant analysis and simulation case studies and use them as a formal basis to enga

££15,500 — £81,500
⏱ 27 Jul 2026
Posted · 3w agoView details →
U
ocds-h6vhtk-06f850 · planning

Foil retrieval system

UK Atomic Energy Authority
South East

UKAEA wishes to engage with contractors, Small to Medium Enterprises (SME), designers, and manufacturers for the supply of an activation foil retrieval system for the LIBRTI Facili

£On request
Posted · 1mo agoView details →
U
ocds-h6vhtk-06f84f · tender

Librti diagnostics

UK Atomic Energy Authority
South East

This specification covers the United Kingdom Atomic Energy Authority’s (“the Authority’s”) requirement for diagnostics equipment for the LIBRTI facility project, including LOT 1: H

£Up to £500,000
⏱ 7 Oct 2026
Posted · 1mo agoView details →
U
Open
108952 · opportunity

Librti diagnostics

UK Atomic Energy Authority
goods

The UK Atomic Energy Authority is buying specialised diagnostic equipment for its LIBRTI facility, specifically high‑purity germanium detectors and related multi‑channel analysers and high‑voltage power supplies.

£On request
⏱ 14 Oct 2026
Posted · 1mo ago3d left →
U
Open
109022 · opportunity

Foil retrieval system

UK Atomic Energy Authority
goods

UKAEA is looking for suppliers to provide an activation foil retrieval system for its LIBRTI research facility.

£On request
⏱ 30 Oct 2026
Posted · 1mo ago19d to apply →
U
ocds-h6vhtk-06f7ea · planning

Control software

UK Atomic Energy Authority
South East

For this project We have 6 modules. Each module is made up of 3 stages. These stages are (1) an x-y stage, (2) a tilt goniometric stage, and (3) rotational stage. The links to thes

£Up to £20,000
Posted · 1mo agoView details →
U
Open
108965 · opportunity

Control software

UK Atomic Energy Authority
services

The contract is for developing control software (or a new controller) to operate six hardware modules, each containing four motorised stages, using RS232/USB communication with an existing control box.

£On request
⏱ 15 Oct 2026
Posted · 1mo ago4d left →
U
109009 · opportunity

Supply of 33Kv HV cable

UK Atomic Energy Authority
goods

UKAEA needs new 33 kV high‑voltage cables to replace ageing ones and meet future power needs at its Culham Campus, so they are looking for suppliers to provide the cables.

£On request
⏱ 15 Sept 2026
Posted · 1mo agoView details →
U
ocds-h6vhtk-06f75d · planning

Librti integrated information management and digital thread platform

UK Atomic Energy Authority
South East

UKAEA is now seeking market input regarding the implementation of an information management capability that will utilise data held within the Data Lakehouse and maintain relationsh

£On request
Posted · 1mo agoView details →
U
109000 · opportunity

Librti integrated information management and digital thread platform

UK Atomic Energy Authority

The UK Atomic Energy Authority (UKAEA) is looking for companies to give feedback on how they would build an information‑management system that pulls data from the UKAEA Data Lakehouse and links it to other core UKAEA systems.

£On request
⏱ 2 Oct 2026
Posted · 1mo agoView details →
U
ocds-h6vhtk-06c27d · award

For the completion of the integrated control & safety system (ICSS) for the H3AT tritium facility at culham

UK Atomic Energy Authority
South East

Scope of supply is for the continued design development, procurement, manufacture, testing, installation and verification activities for the H3AT Integrated Control and Safety Syst

£Up to £3,256,918
Posted · 1mo agoView details →