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INS

UK GOVERNMENT PROCUREMENT

Public-sector buyer · United Kingdom

INTERNATIONAL NUCLEAR SERVICES LIMITED

INTERNATIONAL NUCLEAR SERVICES LIMITED is a UK public-sector contracting authority. This profile aggregates its public-record procurement — top suppliers, categories, recent awards, open tenders and expiring contracts.

Data period: 2023-06-17 to 2026-06-17Updated 2026-06-17

£2.4M

Total spend

20

Contract awards

11

Unique suppliers

£126K

Avg contract

According to ENKII, INTERNATIONAL NUCLEAR SERVICES LIMITED has awarded 20 contracts worth £2.4M to 11 suppliers between 2023-06-17 and 2026-06-17, at an average contract value of £126K, with the top five suppliers holding 85% of contract value.

Top suppliers

Top suppliers to INTERNATIONAL NUCLEAR SERVICES LIMITED

Top-five suppliers hold 85% of contract value — a concentrated market.

SupplierAwardsTotal value
University of Edinburgh6£558K
Oldham Engineering Limited3£418K
AC&E Limited1£395K
Applied Computing & Engineering Ltd1£395K
Dal Ben S.p.A2£256K
Lancaster Instruments Ltd1£100K
High Technology Sources Ltd (HTSL)1£80K
Frazer-Nash Consultancy Limited1£70K
Frazer-Nash Consultancy Ltd1£70K
Control Risks Group Limited1£36K
Nuvia Limited2£14K

Procurement categories

What INTERNATIONAL NUCLEAR SERVICES LIMITED buys

Common Procurement Vocabulary (CPV) breakdown of contracts awarded over the reporting period.

48820000

48820000
2 awards£790K

73110000

73110000
7 awards£658K

44610000

44610000
2 awards£358K

42410000

42410000
2 awards£256K

71310000

71310000
4 awards£153K

38340000

38340000
1 awards£80K

71320000

71320000
1 awards£60K

79710000

79710000
1 awards£36K

Recent contracts

Latest INTERNATIONAL NUCLEAR SERVICES LIMITED contracts awarded

The most recently published award notices on Find a Tender and Contracts Finder.

Portable Instrument Calibration and Repair Services

High Technology Sources Ltd (HTSL) · 2026-05-13

£80K

Safkeg Stillages Fabrication

Dal Ben S.p.A · 2026-04-29

£119K

Technical Analysis Server

AC&E Limited · 2026-04-08

£395K

Technical Analysis Server

Applied Computing & Engineering Ltd · 2026-04-08

£395K

Student Agreement for Study of smouldering combustion in timber

University of Edinburgh · 2026-03-25

£126K

Provision of Panama Canal Transit Unarmed Security

Control Risks Group Limited · 2026-03-25

£36K

Collaboration Agreement for the Study of smouldering combustion in timber

University of Edinburgh · 2026-03-25

£60K

Safkeg Stillages Fabrication

Dal Ben S.p.A · 2026-03-02

£137K

Agreement to DEVELOP A PROTOTYPE LEAK TESTING SOLUTION FOR NUCLEAR TRANSPORT

Lancaster Instruments Ltd · 2026-03-02

£100K

Pegasus Tie Down Concept Design

Oldham Engineering Limited · 2026-02-26

£60K

Collaboration Agreement for Study of smouldering combustion in timber

University of Edinburgh · 2026-02-25

£60K

Student Research Agreement for Study of smouldering combustion in timber

University of Edinburgh · 2026-02-25

£126K

Collaboration Agreement for Study of smouldering combustion in timber

University of Edinburgh · 2026-02-16

£60K

Student Research Agreement for Study of smouldering combustion in timber

University of Edinburgh · 2026-02-16

£126K

Manufacturability Assessment of the PEGASUS Transport Package Design

Frazer-Nash Consultancy Limited · 2026-01-22

£70K

Manufacturability Assessment of the PEGASUS Transport Package Design

Frazer-Nash Consultancy Ltd · 2025-12-09

£70K

Provision to Design & Build a Universal Transport Container

Oldham Engineering Limited · 2025-10-08

£179K

Provision to Design and Build a Universal Transport Container

Oldham Engineering Limited · 2025-09-12

£179K

Peer Review Development of Disposal Container Transport Container Sub-Systems

Nuvia Limited · 2025-06-17

£14K

BIDDING AGAINST THESE SUPPLIERS?

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Open opportunities

Open INTERNATIONAL NUCLEAR SERVICES LIMITED tenders

Tenders currently inviting bids. SMEs can respond via the official tender portal.

Sage X3 Build and Implementation, and Associated Planning and Reporting Tools

£1.5M

Request for Information on Supplier Capability and Capacity for a Concept Design of a High Security Vehicle.

£110K

Bunker Supply and Associated Services

£15.0M

Safkeg Stillages Fabrication

£300K

Pipeline

Contracts expiring in the next 12 months

When these contracts end, INTERNATIONAL NUCLEAR SERVICES LIMITED typically re-tenders. SMEs preparing bids 3-6 months ahead win disproportionately often.

Provision to Design and Build a Universal Transport Container

Expires: 2026-08-31

£179K

Safkeg Stillages Fabrication

Expires: 2026-10-09

£137K

Market analysis

Bidding into INTERNATIONAL NUCLEAR SERVICES LIMITED — what to expect

Supplier concentration and timing patterns that shape SME bid strategy.

85%

Top-5 supplier share

11d

Avg response window

9d

Median response window

37mo

Avg contract duration

Frequently asked

Common questions about selling to INTERNATIONAL NUCLEAR SERVICES LIMITED

How much does INTERNATIONAL NUCLEAR SERVICES LIMITED spend on procurement?

INTERNATIONAL NUCLEAR SERVICES LIMITED awarded 20 contracts totalling £2.4M between 2023-06-17 and 2026-06-17, working with 11 unique suppliers. Average contract value is £126K.

Who are INTERNATIONAL NUCLEAR SERVICES LIMITED's top suppliers?

The largest suppliers to INTERNATIONAL NUCLEAR SERVICES LIMITED by total award value are University of Edinburgh, Oldham Engineering Limited, AC&E Limited. The top five suppliers together hold 85% of contract value.

What does INTERNATIONAL NUCLEAR SERVICES LIMITED buy from suppliers?

INTERNATIONAL NUCLEAR SERVICES LIMITED's procurement is concentrated in 48820000, 73110000, 44610000, alongside specialist categories. See the full CPV breakdown below.

How can my business bid for INTERNATIONAL NUCLEAR SERVICES LIMITED contracts?

INTERNATIONAL NUCLEAR SERVICES LIMITED 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 INTERNATIONAL NUCLEAR SERVICES LIMITED tenders?

INTERNATIONAL NUCLEAR SERVICES LIMITED typically gives suppliers a median of 9 days to respond (average 11 days). Standard contract duration is around 37 months.

Continue reading

Related ENKII resources

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
Full methodology — calculations, refresh cadence & caveats

Source records remain subject to Open Government Licence v3.0 attribution. ENKII doesn't warrant accuracy beyond the source portals' own publication.

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