Top suppliers
Top suppliers to UK Atomic Energy Authority
Top-five suppliers hold 62% of contract value — a concentrated market.
Procurement categories
What UK Atomic Energy Authority buys
Common Procurement Vocabulary (CPV) breakdown of contracts awarded over the reporting period.
3242000045260000713100004421000048210000311200003163000071320000716300009052000038430000317100004545000072210000731100005053000024110000907300003121000042620000Recent contracts
Latest UK Atomic Energy Authority contracts awarded
The most recently published award notices on Find a Tender and Contracts Finder.
Blockhouse Experimental Area Vision and Audio Monitoring System
RED ENGINEERING LIMITED · 2026-07-30
£30K
UR3e Robot
RARUK Automation Ltd · 2026-07-28
£23K
UR3e Robot
RARUK Automation Ltd · 2026-07-21
£23K
Mentoring and Coaching Platform
The Taylor Clarke Partnership Ltd · 2026-07-10
£34K
Ultra High Temperature Material Testing Load Frame and Environment System
ZwickRoell Ltd · 2026-07-03
£850K
for the completion of the Integrated Control & Safety System (ICSS) for the H3AT Tritium Facility at Culham
Bilfinger UK Limiited · 2026-07-02
£3.3M
Specialist Scaffolding, Rigging Services and Low Level Waste
Altrad Support Services Limited · 2026-06-30
£7.4M
Safety Case Support Services
Arcadis Consulting (UK) Limited · 2026-06-26
£400K
Modification and Validation of Existing Software
Universidad de alicante · 2026-06-18
£57K
ESS
OPTIMUM ELECTRICAL ENGINEERING LTD · 2026-06-01
£109K
JANET 40GB Connection
Jisc Services Ltd · 2026-05-21
Embedding Innovation and Commercialisation
FIS360 LTD · 2026-05-12
Safety Case Peer Review Services
Arcadis Consulting (UK) Limited · 2026-05-08
£500K
Safety Case Peer Review Services
Arcadis Consulting (UK) Limited · 2026-05-08
Supply & Installation of Water Cooling System Components for a relocated Vacuum Furnace
Busch (UK) Ltd trading as Vacuum Furnace Engineering · 2026-05-07
£188K
Supply & Installation of Water Cooling System Components for a relocated Vacuum Furnace
Busch (UK) Ltd trading as Vacuum Furnace Engineering · 2026-05-06
£188K
Incineration of Radioactive Waste
Veolia ES (UK) Ltd · 2026-04-28
£1.5M
Specialist Scaffolding, Rigging Services and Low Level Waste
Altrad Support Services Limited · 2026-04-28
£7.4M
HVPS D15 Cooling System
Cool-Therm (UK) Limited · 2026-04-28
£104K
STEP Engineering Partner and Construction Partner
Kier Infrastructure and Overseas · 2026-04-22
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Open opportunities
Open UK Atomic Energy Authority tenders
Tenders currently inviting bids. SMEs can respond via the official tender portal.
Fibre Optic Bundles for MAST-U
Deadline: 2026-08-06
£120K
HVPS Electrical Installation
Deadline: 2026-08-13
£190K
Gamma Spectroscopy Analysis and Reporting
Deadline: 2026-08-13
£90K
Internal Management System Auditing Services
£98K
PME for Crop Sampling and Environmental Sampling ( 2 Lots)
£230K
AGHS Refactor Size Reduction
Fluoride Salt Loop
£417K
Calliope
£100K
Calliope
£70K
Supply, installation, and commissioning of Liquid Scintillation Counters
£300K
Uncertainty Quantification Consultancy
Simultaneous 5 Axis Mill/Turn CNC Lathe
£500K
Concrete & Brick Wall Scabbling & Shaving
£167K
Incineration of Radioactive Waste
£1.5M
33kV Substation SCADA Supply
£400K
Incineration of Radioactive Waste
£1.5M
Supply and Install of 415V AC Distribution, Metering and Inter-Trip Panels
£450K
Archive Services
Lithium Breeding Tritium Innovation (LIBRTI) – Detritiation System
£2.0M
D1 South Mezzanine Extension
Pipeline
Contracts expiring in the next 12 months
When these contracts end, UK Atomic Energy Authority typically re-tenders. SMEs preparing bids 3-6 months ahead win disproportionately often.
D&B Framework Lot 1
Expires: 2026-09-04
£31.7M
iCOATfibres-2
Expires: 2026-09-14
£147K
UR3e Robot
Expires: 2026-09-30
£23K
Modification and Validation of Existing Software
Expires: 2026-10-22
£57K
Blockhouse Experimental Area Vision and Audio Monitoring System
Expires: 2026-10-30
£30K
Lead Lithium Experimentation Loop
Expires: 2026-11-03
£1.2M
Lead Lithium Experimentation Loop
Expires: 2026-11-04
£1.2M
Malton Office Property Lease Agreement
Expires: 2026-12-31
£40K
AGHS Remote Access and Cybersecurity Upgrade
Expires: 2027-01-29
£623K
AGHS Remote Access and Cybersecurity Upgrade
Expires: 2027-01-29
£623K
Supply & Installation of Water Cooling System Components for a relocated Vacuum Furnace
Expires: 2027-01-31
£188K
Supply & Installation of Water Cooling System Components for a relocated Vacuum Furnace
Expires: 2027-01-31
£188K
Incineration of Radioactive Waste
Expires: 2027-03-31
£1.5M
MAST-U P1 & Pc Coils
Expires: 2027-05-31
£872K
Market analysis
Bidding into UK Atomic Energy Authority — what to expect
Supplier concentration and timing patterns that shape SME bid strategy.
62%
Top-5 supplier share
25d
Avg response window
25d
Median response window
14mo
Avg contract duration
Frequently asked
Common questions about selling to UK Atomic Energy Authority
How much does UK Atomic Energy Authority spend on procurement?
UK Atomic Energy Authority awarded 191 contracts totalling £96.9M between 2023-08-01 and 2026-08-01, working with 129 unique suppliers. Average contract value is £808K.
Who are UK Atomic Energy Authority's top suppliers?
The largest suppliers to UK Atomic Energy Authority by total award value are Equnix Inc, Altrad Support Services Limited, Ultima Business Solutions Limited. The top five suppliers together hold 62% of contract value.
What does UK Atomic Energy Authority buy from suppliers?
UK Atomic Energy Authority's procurement is concentrated in network equipment, roof works and other special trade construction works, consultative engineering and construction services, alongside specialist categories. See the full CPV breakdown below.
How can my business bid for UK Atomic Energy Authority contracts?
UK Atomic Energy Authority publishes open tenders on Find a Tender and Contracts Finder. ENKII matches your business against live tenders, identifies certifications you'll need, and surfaces frameworks worth applying to. Free Readiness Score in 3 minutes.
What's the typical response window for UK Atomic Energy Authority tenders?
UK Atomic Energy Authority typically gives suppliers a median of 25 days to respond (average 25 days). Standard contract duration is around 14 months.
Continue reading
Related ENKII resources
GUIDE
PQQ & Selection Questionnaire — Procurement Act 2023
How UK central-government departments evaluate suppliers at the pre-qualification stage.
GUIDE
Cyber Essentials — for government contracts
Most central-government contracts handling personal data require this certification.
SECTOR
UK Government IT Services
G-Cloud, DOS, Crown Commercial frameworks. Software + consultancy is UK Atomic Energy Authority's largest spend area.
INDEX
All UK public-sector buyers
Browse procurement profiles for every UK government department and major buyer.
Sources & methodology
How this profile is compiled
Analysed by ENKII · Updated 2026-08-01
This profile aggregates public-record procurement data published by the UK Government under the Open Government Licence v3.0. ENKII fetches, deduplicates, and aggregates source records; we don't edit the underlying facts.
Source portals
- · Find a Tender (find-tender.service.gov.uk)
- · Contracts Finder
- · Spend Network
Source records remain subject to Open Government Licence v3.0 attribution. ENKII doesn't warrant accuracy beyond the source portals' own publication.