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.
32420000
3242000071310000
7131000044210000
4421000045260000
4526000048210000
4821000031120000
3112000031630000
3163000071630000
7163000090520000
9052000038430000
3843000031710000
3171000045450000
4545000072210000
7221000073110000
7311000050530000
5053000024110000
2411000090730000
9073000031210000
3121000042620000
4262000038970000
38970000Recent contracts
Latest UK Atomic Energy Authority contracts awarded
The most recently published award notices on Find a Tender and Contracts Finder.
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
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
Incineration of Radioactive Waste
Veolia ES (UK) Ltd · 2026-04-28
£1.5M
STEP Engineering Partner and Construction Partner
Kier Infrastructure and Overseas · 2026-04-22
Safety and Security systems for H3AT facility
OPENVIEW SECURITY SOLUTIONS LIMITED · 2026-04-17
Laser Ablation Instrument Upgrade
Elemental Scientific Instruments Limited · 2026-04-15
£55K
Supply, installation, and commissioning of Liquid Scintillation Counters
Revvity (UK) Ltd. · 2026-04-01
£220K
Supply, installation, and commissioning of Liquid Scintillation Counters
Revvity (UK) Ltd. · 2026-04-01
Simultaneous 5 Axis Mill/Turn CNC Lathe
DMG MORI UK Ltd · 2026-03-30
£350K
JDR Management Support Framework.
Amentum Clean Energy Limited · 2026-03-27
£9.9M
DDI Tool
European Electronique · 2026-03-26
£678K
UKAEA Construction Design and Support Services Call Off Agreement
Perfect Circle JV Ltd · 2026-03-26
£1
Conformity Assessment Body, Notified Body, Third Party Inspection and Non-Destructive Testing Service
BRITISH ENGINEERING SERVICES LIMITED · 2026-03-20
£400K
BIDDING AGAINST THESE SUPPLIERS?
See your match score against UK Atomic Energy Authority
ENKII scores your business against live tenders and identifies the certifications you need to compete with the suppliers above.
Open opportunities
Open UK Atomic Energy Authority tenders
Tenders currently inviting bids. SMEs can respond via the official tender portal.
Mentoring & Coaching Platform
Deadline: 2026-06-26
£45K
EV Charging Points Software
£74K
EV Charging Points Software
£74K
Industry Simulation Software
AGHS Refactor Size Reduction ROM
£250K
Request for Information (RFI) for the provision of a calorimeter
£500K
AGHS Refactor Size Reduction ROM
£250K
Repurposing of 400/36kV Substation & 36kV Switchgear
£500K
Internal Management System Auditing Services
£98K
PME for Crop Sampling and Environmental Sampling ( 2 Lots)
£230K
AGHS Refactor Size Reduction ROM
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
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
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
24d
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 182 contracts totalling £84.8M between 2023-06-17 and 2026-06-17, working with 124 unique suppliers. Average contract value is £764K.
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 32420000, 71310000, 44210000, 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 24 days to respond (average 25 days). Standard contract duration is around 14 months.
Continue reading
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SECTOR
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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 2026-06-17
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.