Top suppliers
Top suppliers to International Nuclear Services
Top-five suppliers hold 99% of contract value — a concentrated market.
Procurement categories
What International Nuclear Services buys
Common Procurement Vocabulary (CPV) breakdown of contracts awarded over the reporting period.
44715060Recent contracts
Latest International Nuclear Services contracts awarded
The most recently published award notices on Find a Tender and Contracts Finder.
PEGASUS ACT Timber Testing
Nuvia Limited · 2026-05-25
£107K
Peer Review Development of Disposal Container Transport Container Sub-Systems
Frazer-Nash Consultancy Ltd · 2025-06-11
£14K
Provision of Type 1 Adapter Plates
Oldham Engineering Ltd · 2025-05-12
£862K
Services to Support Vessel Licensing in Japan
NUCLEAR FUEL TRANSPORT CO.,LTD. · 2025-04-21
£5.0M
The Provision of Naval Architecture Services
HOULDER LIMITED · 2025-04-10
£2.7M
K-class tie down nuts and bolts
Hydrobolt Ltd · 2025-02-10
£20K
CsCl Aerosol Testing
Becker Technologies GmbH · 2025-01-29
£99K
Maritime Security Container Adaptor Frames
Gow's Lybster Ltd · 2024-11-18
£96K
Manufacture, Maintenance and Storage of ISO Containers to Enable the Transport of Fissile and Fissile-Excepted Materials
JGC Engineering and technical services · 2022-01-01
£7.0M
Ship Management Services
AW Ship Management Limited · 2021-11-29
£59.0M
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Market analysis
Bidding into International Nuclear Services — what to expect
Supplier concentration and timing patterns that shape SME bid strategy.
50%
Awards to SMEs
99%
Top-5 supplier share
13%
Framework call-offs
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Awards to social enterprises
Around 50% of International Nuclear Services’s classified awards go to small and medium-sized enterprises.
Frequently asked
Common questions about selling to International Nuclear Services
How much does International Nuclear Services spend on procurement?
International Nuclear Services awarded 8 contracts totalling £8.9M between 2023-10-17 and 2026-10-17, working with 8 unique suppliers. Average contract value is £1.1M.
Who are International Nuclear Services's top suppliers?
The largest suppliers to International Nuclear Services by total award value are NUCLEAR FUEL TRANSPORT CO.,LTD., HOULDER LIMITED, Oldham Engineering Ltd. The top five suppliers together hold 99% of contract value.
What does International Nuclear Services buy from suppliers?
International Nuclear Services's procurement is concentrated in construction structures and materials; auxiliary products to construction (except electric apparatus), architectural, construction, engineering and inspection services, repair and maintenance services, alongside specialist categories. See the full CPV breakdown below.
How can my business bid for International Nuclear Services contracts?
International Nuclear Services 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.
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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 International Nuclear Services'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 2026-10-17
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
Source records remain subject to Open Government Licence v3.0 attribution. ENKII doesn't warrant accuracy beyond the source portals' own publication.