Buyer profile
UK Atomic Energy Authority
Get alerts when UK Atomic Energy Authority publishes a new tender — 7-day free trial, then £4.99/month.
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)
HVPS cabling
Supply of cabling
HVPS cabling
Supply of cabling
HV cable procurement
UKAEA is undertaking refurbishment works to the J5 electrical infrastructure to support the ongoing operation and reliability of the Culham Campus power distribution network. As pa
Non-planar surface characterisation and swabbing using the spot robot
The Contractor's scope shall include the design, development, functional demonstration, and delivery (including all required testing, verification, and documentation) of the S
Non-planar surface characterisation and swabbing using the spot robot
The Contractor’s scope shall include the design, development, functional demonstration, and delivery (including all required testing, verification, and documentation) of the Spot s
Ceredigion - single persons discount and premium avoidance review system
Ceredigion County Council has procured a Single Person Discount and Premium Tax Detection Software. The contract is a call-off contract made under the GCA's G-Cloud 14 Framework. A
J5 super grid transformer refurbishment
Provision of the refurbishment of three super grid transformers on the Culham Campus, as part of an Asset Life Extension Programme to the SGTs.
J5 super grid transformer refurbishment
J5 Super Grid Transformer Refurbishment .
Power costs - hosting
Direct award in accordance with PA23, Schedule 5, Section 5 (a) (b). Transparency and Award Notice previously published.
Patent and trade mark attorney services and IP search and landscaping services
UKAEA seeks to appoint a maximum of two suppliers for Intellectual Property (IP) Patent and Trade mark Attorney Services, and one supplier for Patent IP Search & Landscaping Servic
Outward bound residential provider for graduates and apprentices
UKAEA required a outward bound residential provider for graduates and apprentices.
Corporate clothing
The UK Atomic Energy Authority (UKAEA) is looking for a supplier to provide its own branded corporate clothing for staff over a three‑year period, with two optional one‑year extensions and an estimated spend of about £35,000 per year.
Freia cluster replacement
This contract is for replacing the existing high‑performance computing (HPC) cluster at the UK Atomic Energy Authority’s Culham Campus (FREIA) and providing ongoing support services.
Manufacture of ceramic heater
Manufacture of Ceramic Heater too specific UKAEA design requirements.
Water detritiation system permeator vessel replacement
A system at UKAEA includes a permeator vessel consisting of a heated palladium alloy membrane for the purpose of hydrogen gas purification. The permeator membrane has deteriorated
T/HR061/26 tooling and storage tender for ESS (sweden)
The European Spallation Source (ESS) is a European Research Infrastructure Consortium (ERIC) committed to the goal of building and operating the world leading facility for research
Water detritiation system permeator vessel replacement
UKAEA needs a new permeator vessel for its water detritiation system because the original palladium‑alloy membrane has worn out and the original maker can’t supply a replacement. They are asking suppliers to show they can design and build a new vessel and to outline lead times, risks and any innovative ideas.
T/HR061/26 crop , liquid , oil and environmental sampling ( 2 lots) (1)
UKAEA intends to procure sampling services under a two-lot contract comprising: Lot 1 – Crop, Oil and Liquid Sampling Services; and Lot 2 – Perimeter Fence Environmental Air Sampli
HVPS electrical installation
The UK Atomic Energy Authority (UKAEA) has a requirement for the Electrical Installation of Plant and equipment within, and associated with, the Building D15 High Voltage Power Sup
Radiation and tritium safety diagnostics
Radiation and Tritium Safety Diagnostics equipment to be delivered to Culham Campus. This tender is split into 2 different lots. Suppliers can quote for one or both lots.