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708422450 - Provision of Underwater Engineering Services Lot 2 CF CN

Ministry of Defence

This public procurement record has 1 release in its history.

Award

17 Sep 2026 at 12:23

Award Notice
Summary of the contracting process

The Ministry of Defence procured underwater engineering services for Royal Navy and Royal Fleet Auxiliary vessels. The requirement covers inspections, repairs, husbandry and maintenance at or below the waterline, supporting safe, compliant and efficient vessel operation and reducing the need for disruptive dry docking. The work is intended to maximise the availability of Royal Navy vessels. This is a specialist engineering and vessel repair service, including technical and maritime safety inspections and diving services. Delivery is associated with the Ministry of Defence site at Abbey Wood in Bristol and the South West of England. The main commercial focus is an underwater engineering capability for naval and auxiliary vessels rather than general marine maintenance.

The procurement has been awarded following a selective competitive procedure with negotiation for an above-threshold contract. The tender closed on 5 August 2026, and the contract was awarded to SeaTec UK Ltd on 6 August 2026. The awarded value is £65,000,000, with the contract running from 6 August 2026 to 6 August 2031. The tender was classified primarily as vessel repair services, with associated engineering support, technical inspection, maritime safety inspection and diving services. The opportunity was assessed as unsuitable for small and medium-sized enterprises and voluntary, community or social enterprises. The recorded award is active and relates to a single lot covering the underwater engineering requirement.

This award indicates sustained Ministry of Defence demand for an integrated underwater engineering capability supporting operational naval vessels. A credible competitor for comparable future work would need practical expertise in below-waterline inspection, repair, husbandry and maintenance, backed by engineering support and maritime safety inspection capability. Diving competence and the ability to work safely around Royal Navy and Royal Fleet Auxiliary vessels would be central. Suppliers would also need the organisational capacity to deliver a substantial, long-term service rather than isolated diving or repair jobs, and to support vessel availability while avoiding unnecessary dry docking. The procurement route shows that experience presenting a negotiated technical and commercial solution for a complex, above-threshold defence requirement is relevant. The stated suitability assessment points towards established, larger-scale suppliers rather than SMEs or VCSEs.

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Notice Information

Notice Title

708422450 - Provision of Underwater Engineering Services Lot 2 CF CN

Notice Description

The Underwater Engineering (UWE) capability is the provision of inspections, repairs, husbandry, and maintenance at or below the waterline, ensuring the compliant, efficient, and safe operation of RN and RFA vessels, while avoiding expensive and disruptive dry dockings, which as a result supports the strategic intent to maximise availability of RN vessels.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-b5fd17-3e3c670c-99a9-4ba5-ae65-ee9bea6ed89a
Publication Source
Contracts Finder
Latest Notice
https://www.contractsfinder.service.gov.uk/Notice/3de95cde-cc02-4deb-b21b-d3a0c9586173
Current Stage
Award
All Stages
Award

Procurement Classification

Notice Type
Award Notice
Procurement Type
Standard
Procurement Category
Services
Procurement Method
Selective
Procurement Method Details
Competitive procedure with negotiation (above threshold)
Tender Suitability
Not specified
Awardee Scale
Large

Common Procurement Vocabulary (CPV)

CPV Divisions

50 - Repair and maintenance services

71 - Architectural, construction, engineering and inspection services

98 - Other community, social and personal services

CPV Codes

50241100 - Vessel repair services

71336000 - Engineering support services

71631400 - Technical inspection services of engineering structures

71631420 - Maritime safety inspection services

98363000 - Diving services

Notice Value(s)

Tender Value
£65,000,000 £10M-£100M
Lots Value
Not specified
Awards Value
£65,000,000 £10M-£100M
Contracts Value
Not specified

Notice Dates

Publication Date
17 Sep 20262 weeks ago
Submission Deadline
Not specified
Future Notice Date
Not specified
Award Date
6 Aug 20262 months ago
Contract Period
6 Aug 2026 - 6 Aug 2031 Over 5 years
Recurrence
Not specified

Notice Status

Tender Status
Complete
Lots Status
Not Specified
Awards Status
Active
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
Ministry of Defence
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
BRISTOL
Postcode
BS34 8JH
Postcode Area
Bristol
Country
England
Major Region (ITL 1)
TLK South West (England)
Basic Region (ITL 2)
TLK5 West of England
Small Region (ITL 3)
TLK52 Bath & North East Somerset and South Gloucestershire
Delivery Location
TLK South West (England)
Local Authority
South Gloucestershire
Electoral Ward
Stoke Park & Cheswick
Westminster Constituency
Filton and Bradley Stoke

Supplier Information

Number of Suppliers
1
Supplier Name

Sea Tec Uk Limited

Further Information

Open Contracting Data Standard (OCDS)

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The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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