Ministry of Defence · Awarded contract
Awarded

Supply and Maintenance of Authority Moorings, Markers and Targets for UK Defence

Awarded 30 Sep 2025

View live tenders
Awarded30 Sep 2025
Value£182,168,609.14
SupplierBriggs Marine Contractors Limited
AgencyMinistry of Defence
RegionUnited Kingdom
CategoryDefense & Aerospace
Expires in 6y 11mo8y term, 14% elapsed
Awarded 30 Sept 2025Expires 29 Sept 2033

About

Ministry of Defence awarded a contract to Briggs Marine Contractors Limited for the maintenance and replacement of moorings, target moorings, and navigation marks owned by the Authority, including the sourcing, storage, and supply of components.

The contract covers services at various locations around the UK Coast, Gibraltar, and Cyprus, with component supply to a UK point of departure for transport to Ascension Island and Falkland Islands.

The contract duration is 96 months, with a value of £182,168,609.14.

The scope includes maintenance under the Mooring Maintenance Programme, a Moorings Replacement Programme involving telemetry buoys, and the transfer of an Authority-owned vessel under a Contractor Owned Contractor Operated agreement.

Similar open tenders12

Supply of On-Water Clothing and Equipment for UK Ministry of Defence – 5‑Year Framework (£30m–£74m)Defense & Aerospace
02 Feb 2027
Vehicle Maintenance and Repair Services for 160-Vehicle Authority Fleet — MOTs, Servicing, Mechanical & Bodywork Repairs (2 Lots)Transport & Logistics
10 Nov 2026
Archaeological Assessment Services for Marine Protection in England (Apr 2027–Mar 2029)Arts & Culture
30 Nov 2026
UK Ministry of Defence LYDIA Platform Support Equipment In‑Service Support (ISS)Defense & Aerospace
01 Apr 2027
Counter-Uncrewed Systems (C-UxS) Framework Agreement – UK Ministry of DefenceDefense & Aerospace
01 Apr 2027
Measured Term Corporate Maintenance Contracts – Maidstone Borough Council (Mechanical, Electrical, Security/Fire, Building Fabric)Construction
11 Nov 2026
MCA Dynamic Market for Technical and Advisory Services for Maritime, Offshore Energy and Pollution ResponseConsultancy & Legal
26 Oct 2029
Building Works, Supplies and Specialist Consultancy for Repair and Maintenance ServicesConstruction
15 Oct 2028
Sustainment and Support of Specialist Marine Mechanical and Electronic EquipmentDefense & Aerospace
01 Jun 2030
In-Service Repair and Refurbishment of Main Circulating Water Pumps (MCWPs) for Naval Submarines — 5-Year Support ContractDefense & Aerospace
06 Mar 2027
Landmarc seeking suppliers for UK Defence Training Estate projects (next 6 months)Defense & Aerospace
08 Mar 2027
Specialist Infrastructure Technical Support for Submarine Waterfront Infrastructure Future (SWIF) – Devonport, PlymouthInfrastructure
06 Nov 2026

Other similar contracts12

Inspection and Maintenance of Brixham Harbour MooringsInfrastructureMillennium Marine Contractors Ltd
$242,332
Provision of Maritime Engineering, Diving and Salvage Services for British Forces South Atlantic IslandsDefense & AerospaceBriggs Marine Contractors Limited
$4,372,000
Buoy Maintenance Services for the Port of RamsgateTransport & LogisticsBriggs Marine Contractors Ltd
$92,000
Procurement of Bespoke Shore-to-Ship Adapter for Single Point Mooring at Mare HarbourDefense & AerospaceBriggs Marine Contractors Ltd
$121,710
Inspection and Maintenance of Brixham Harbour MooringsInfrastructureMillennium Marine Contractors Ltd
$223,281
Provision of Oil Spill Response Equipment and Training to Mare Harbour Naval PortPublic Safety & SecurityBriggs Marine Contractors Ltd,Briggs Marine Contractors Ltd
$635,856
Platform Support for MoD Boats FleetDefense & AerospaceDevonport Royal Dockyard Ltd,BAE Systems Surface Ships Limited,BAE Systems Surface Ships Limited,Marine Specialised Technology Ltd,Griffon Hoverwork Ltd,BAE Systems Surface Ships Limited,Devonport Royal Dockyard Ltd,Holyhead Marine Services Ltd,Devonport Royal Dockyard Ltd,BAE Systems Surface Ships Limited,Marine Specialised Technology Ltd
$187,600,000
Award of Defence Marine Services Contract for In-Port Support and Vessel Replacement ProgrammeDefense & AerospaceSerco Limited
$878,000,000
Award of Maritime Technical Specialist Advisory Services Framework (Lots 1 and 4) to Briggs Marine ContractorsConsultancy & LegalBriggs Marine Contractors
$19,000,000
Award of Inshore Support Services Contract for Military Training, Testing and Evaluation by Ministry of DefenceDefense & AerospaceSerco Ltd,Briggs Marine Contractors Ltd
$65,581,496
Maintenance of Harbour Moorings in BrixhamInfrastructureMillenium Marine Contractors Ltd
$285,980.6
Maintenance and Support of Portable Pilotage System at HMNB PortsmouthDefense & AerospaceInshore Systems Ltd
$36,854.36

Unlock the full platform.

7 days free, then £36/GBP per month. Cancel anytime.

What you get

Find

Find defense and aerospace tenders in United Kingdom in one place.

We monitor central, devolved and local government portals in near real time and update the feed as tenders are published, so you check one place instead of many.

Search by keyword, or describe your workType a keyword, or switch to AI search and say what your business does.
Narrow it downFilter by category, region and area, or view open tenders on a map.

Alerts

Open tenders like this contract, sent to you.

Tell us what you are looking for and we email you when a matching tender is published.

Set it up your wayUse keywords, a description of your work, a location or a distance from a postcode. Up to 10 alerts.
Instant or dailyGet an email when a match is published, or one summary a day.

Assess

Size up a tender in minutes.

Before you open a single document, get the requirements, a likely value and who you would be up against.

Requirements from the documentsWho can bid, mandatory criteria, how it is scored, insurance and key dates, each with its source.
Value and competitionAn estimated value from similar awarded contracts, and the suppliers most likely to bid.

Market

Follow Briggs Marine Contractors Limited and get alerts when they win again.

Awarded contracts with the supplier and the value, so you can check prices, spot competitors and find work that is coming back to tender.

Supplier and buyer profilesWhat each one has won or awarded, who they work with, and how that is changing.
Contracts ending soonTerms that finish in the next 12 months, which often go back out to tender.

Pipeline

Track your bids from interested to won.

Save a tender in one click and move it through each stage as you work on it.

Work as a teamInvite colleagues so you work from the same list.
Take it with youExport tenders and matches to CSV.

GovBot

Ask a question in plain English.

Find tenders, look up a supplier, or check who won a contract. Just type what you need.

Get started

Get defense and aerospace tenders in United Kingdom by email.

Find the tender, size it up and track the bid, in one place.

7 days free, then £36/GBP per month

Have a question? message us →

7 Day Free Trial

The Gov procurement market in your hands. Cancel anytime.

Save up to 30%
Pro
For solo operators
£36/ month
Billed monthly
  • Live feed of gov tenders & contracts
  • AI-matched tender recommendations
  • Full search, filters, and watchlists
  • 1 user account
Team
For growing teams
£119/ month
Billed monthly
  • Everything in Pro
  • Up to 10 team members
  • Shared watchlists & alerts
  • Priority support
Enterprise
For larger organisations
Custom
Tailored to your team
  • Everything in Team
  • Unlimited seats
  • Dedicated account manager
  • Custom integrations & SSO

1400+ businesses have joined GovMarket

IBMKPMGEYRSMBechtelFreyssinet

You're In — Free Trial Activated

You now have full access to GovMarket Premium for 7 days. You’ll be charged at the end of the trial unless you cancel.

  • Tell Us What You Do — We'll surface the tenders that are most relevant to your business.