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NRS

UK GOVERNMENT PROCUREMENT

Public-sector buyer · United Kingdom

Nuclear Restoration Services Limited (Dounreay)

Nuclear Restoration Services Limited (Dounreay) 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

£70.3M

Total spend

184

Contract awards

105

Unique suppliers

£421K

Avg contract

According to ENKII, Nuclear Restoration Services Limited (Dounreay) has awarded 184 contracts worth £70.3M to 105 suppliers between 2023-06-17 and 2026-06-17, at an average contract value of £421K, with the top five suppliers holding 63% of contract value.

Top suppliers

Top suppliers to Nuclear Restoration Services Limited (Do…

Top-five suppliers hold 63% of contract value — a concentrated market.

SupplierAwardsTotal value
Nuvia Limited3£24.0M
SOCOTEC UK Limited2£9.5M
Berkshire Engineering Supplies Ltd1£4.1M
JGC Engineering and Technical Services Ltd4£3.5M
Messrs Donald Macdonald Ltd3£3.4M
Computacenter (UK) Limited5£2.6M
Mirion Technologies (Canberra UK) Ltd15£2.5M
Atlas Copco Rental UK3£2.2M
Abbott Risk Consulting Ltd4£2.1M
Konsolute Ltd3£1.7M
AMENTUM CLEAN ENERGY LIMITED2£1.0M
Gemini Technology Ltd4£998K
Econ Engineering Ltd3£903K
BLOOM PROCUREMENT SERVICES LTD4£811K
Gleeds Cost Management Limited1£588K
Briggs Equipment3£536K
Blargoans Ltd10£524K
Avanti Environmental Group Ltd T/A Highland Waste Services1£500K
John Gunn & Sons Ltd4£497K
Atkins Limited1£494K

Procurement categories

What Nuclear Restoration Services Limited (Do… buys

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

90720000

90720000
1 awards£24.0M

98110000

98110000
2 awards£9.6M

45250000

45250000
2 awards£4.2M

38540000

38540000
7 awards£3.9M

77310000

77310000
3 awards£3.4M

30210000

30210000
4 awards£2.5M

34130000

34130000
25 awards£2.0M

48310000

48310000
3 awards£1.7M

45230000

45230000
3 awards£1.7M

79410000

79410000
2 awards£1.6M

72220000

72220000
4 awards£1.5M

71310000

71310000
10 awards£1.2M

38580000

38580000
4 awards£998K

63120000

63120000
1 awards£996K

42410000

42410000
8 awards£912K

38430000

38430000
12 awards£891K

50530000

50530000
2 awards£736K

90710000

90710000
3 awards£727K

24950000

24950000
2 awards£644K

71330000

71330000
2 awards£568K

Recent contracts

Latest Nuclear Restoration Services Limited (Do… contracts awarded

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

Provision of Safety Case Consultant Services for FCA Programme

Abbott Risk Consulting Ltd · 2026-05-07

£1.5M

ATO19 D2001 LC15 Peer Review

AMENTUM CLEAN ENERGY LIMITED · 2026-03-24

£171K

Rubrik Enterprise Licence

Computacenter (UK) Limited · 2026-02-18

£166K

D2670 Engineering Substantiation for ATO 60 LC15 review

Abbott Risk Consulting Ltd · 2026-01-30

£294K

EASR Permit Variation

NSG Environmental Ltd · 2026-01-21

£180K

Provision of Environmental advisory support

Atkins Limited · 2026-01-09

£494K

Supply of Machine Tools

THOMAS GRAHAM & SONS LTD · 2026-01-06

£115K

Project Controls Support for the Reactors Programme

Gleeds Cost Management Limited · 2025-12-23

£588K

Supply of Power Washer/Jetter

THOMAS GRAHAM & SONS LTD · 2025-10-08

£55K

NRS Limited Dounreay Make versus Buy Assessment

DBD Limited · 2025-10-06

£106K

Dounreay Cementation Plant Licence Condition Peer Review

AMENTUM CLEAN ENERGY LIMITED · 2025-09-23

£160K

Provision of Environmental Support to Balance of Site and Site Services

Mott MacDonald Ltd. · 2025-09-02

£89K

Servicing and Replacement of Uninterruptible Power Supply (UPS) Equipment on the NRS Limited (Dounreay) Site

Norco Group Limited · 2025-08-21

£490K

Construction of Intermediate Floor Slab on top of half-height ISO containers

John Gunn & Sons Ltd · 2025-08-14

£297K

Programme and Technical Integration Support Services for Shaft & Silo

Moreland Nuclear · 2025-08-12

£960K

P3 - Provision of technical author support

NSG Environmental Ltd · 2025-07-28

£90K

Provision of ANSWERS Criticality Software MONK & Visual Workshop 25/26

Energy, Safety and Risk Consultants (UK) Limited · 2025-07-10

£66K

D1204 Pond Project - Phase One

Cyclife UK · 2025-07-07

£1.1M

P1 - Provision of technical author support

Cavendish Nuclear · 2025-07-03

£70K

D1208 East Fire Escape Removal & Installation

KR Cladding Systems Limited · 2025-06-25

£447K

BIDDING AGAINST THESE SUPPLIERS?

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Open opportunities

Open Nuclear Restoration Services Limited (Do… tenders

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

Provision of Grounds Maintenance on the Dounreay Estate

Mechanical & Electrical Scope – DCP Stores Extension

£900K

Procurement of X-Ray Equipment

£400K

Procurement of X-Ray Equipment

Mechanical & Electrical Scope – DCP Stores Extension

Whole Body Monitor (WBM) System Replacement - PIN

Whole Body Monitor (WBM) System Replacement - PIN

£350K

Replacement of the Whole Body Monitor and Supporting Equipment

£350K

Pipeline

Contracts expiring in the next 12 months

When these contracts end, Nuclear Restoration Services Limited (Do… typically re-tenders. SMEs preparing bids 3-6 months ahead win disproportionately often.

P2000 Personnel Accountancy and Access Control System Support

Expires: 2026-08-31

£34K

Production of Licence Condition 15 Periodic Review

Expires: 2026-08-31

£837K

D2670 Engineering Substantiation for ATO 60 LC15 review

Expires: 2026-09-14

£294K

Dounreay Cementation Plant Licence Condition Peer Review

Expires: 2026-09-16

£160K

Risk Modelling Support to Near Term Work Plan and Lifetime Plan

Expires: 2026-11-01

£60K

EASR Permit Variation

Expires: 2026-11-25

£180K

Project Controls Support for the Reactors Programme

Expires: 2027-01-08

£588K

Rubrik Enterprise Licence

Expires: 2027-01-30

£166K

Provision of Environmental Support to Balance of Site and Site Services

Expires: 2027-02-26

£89K

Rubrik Back Up to Operational Technology Network

Expires: 2027-03-31

£156K

Radio Maintenance on Dounreay Site

Expires: 2027-03-31

£40K

Business Case Development for the Dounreay Site

Expires: 2027-03-31

£1.0M

Reserved Procurement - Non Active Drain Effluent Treatment Plants Works

Expires: 2027-03-31

£4.1M

Framework Agreement for the Provision of Lifting Services

Expires: 2027-05-14

£850K

Market analysis

Bidding into Nuclear Restoration Services Limited (Do… — what to expect

Supplier concentration and timing patterns that shape SME bid strategy.

63%

Top-5 supplier share

64d

Avg response window

30d

Median response window

12mo

Avg contract duration

Frequently asked

Common questions about selling to Nuclear Restoration Services Limited (Do…

How much does Nuclear Restoration Services Limited (Do… spend on procurement?

Nuclear Restoration Services Limited (Do… awarded 184 contracts totalling £70.3M between 2023-06-17 and 2026-06-17, working with 105 unique suppliers. Average contract value is £421K.

Who are Nuclear Restoration Services Limited (Do…'s top suppliers?

The largest suppliers to Nuclear Restoration Services Limited (Do… by total award value are Nuvia Limited, SOCOTEC UK Limited, Berkshire Engineering Supplies Ltd. The top five suppliers together hold 63% of contract value.

What does Nuclear Restoration Services Limited (Do… buy from suppliers?

Nuclear Restoration Services Limited (Do…'s procurement is concentrated in 90720000, 98110000, 45250000, alongside specialist categories. See the full CPV breakdown below.

How can my business bid for Nuclear Restoration Services Limited (Do… contracts?

Nuclear Restoration Services Limited (Do… 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 Nuclear Restoration Services Limited (Do… tenders?

Nuclear Restoration Services Limited (Do… typically gives suppliers a median of 30 days to respond (average 64 days). Standard contract duration is around 12 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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