Ends in 5 weeks
GB-LONDON: T0482 - Buoy Maintenance Services for Rivers Deben and Ore
Trinity House · East of England · 4-year contract
Held by Harwich Haven Authority
Mooring buoys tenders and contracts
UK public sector, covering 600+ buyer sites
146 mooring buoys tenders and contracts, 31 this year.
Updated 4 November 2026 · compiled by BidSkim Limited · How we count
- Awarded a month£53k
- Contracts a month1.3
- Won by SMEs57%
- Renewing in 6 months2
- Frameworks and DPSs2
- Live now1See them →
Mooring buoys contracts
Tap a region to see its contracts. Pick as many as you like.
30 contracts across the UK, of any size
Live now
1 mooring buoys opportunity is open now
- OpenCloses in 4 daysMooring Ropes and ThimblesMet OfficeEst.£600k
- Awarded22 Oct 2026Marine Systems Engineering Mooring Metal WorksMet OfficeWon by Fendercare Ltd£24k
- Awarded13 Aug 2026Marking and Guarding of the SS Richard MontgomeryMaritime and Coastguard Agency · South EastWon by Port of Sheerness Limited£1m
- Awarded23 Jul 2026Mooring ChainsMet OfficeWon by William Hackett Chain Products Limited£29k
- Awarded6 Jul 2026Low Power Timers and TransmittersNorthern Lighthouse Board · ScotlandWon by Lee-Dickens Limited£25k
- Awarded3 Jun 2026Buoy LanternsNorthern Lighthouse Board · ScotlandWon by SPX Aids to Navigation OY£44k
- Awarded8 May 2026STA1532 - SPX AID TO NAVIGATION OYTrinity House · East of EnglandWon by SPX Aids to Navigation OY£49k
- Awarded24 Apr 2026Purchase of Temporary Mooring FacilityMinistry of Defence · LondonWon by Dart Harbour Navigation Authority£345k
- Awarded13 Mar 2026Groyne 3 Marker Beacon Replacement - Hayling IslandHavant Borough Council · South EastWon by Suttle Projects£71k
- Awarded10 Mar 2026Marking and Guarding the wreck of the SS Richard Montgomery - FY 25/26Maritime and Coastguard Agency · South EastWon by Port of Sheerness Limited£99k
- Awarded5 Mar 2026Dunnet Head and Calf of Eday Control CubiclesNorthern Lighthouse Board · ScotlandWon by Starkstrom£20k
- Awarded27 Feb 2026CCN 1 - CEFAS25-43 Essential Guard Buoys for Waverider ProtectionCefas · East of EnglandWon by Trinity House£91k
- Awarded26 Feb 2026TYPE 2 (CEFAS) BUOYS (6 UNITS) AND TYPE 4 WRECK MARKER BUOYS (4 UNITS)Northern Lighthouse Board · ScotlandWon by Mediterraneo Señales Maritimas S.L
- Awarded18 Dec 2025ODAS buoy refurbishmentMet Office · South WestWon by Ocean Scientific International Ltd£13k
- Awarded3 Dec 20254 Mobilis Lateral BuoysTrinity House · LondonWon by Hydrosphere UK Ltd£35k
- Awarded21 Nov 2025Buoyancy TowerMet Office · South WestWon by Hydrosphere UK Ltd£25k
- Awarded12 Nov 2025Mooring chainsMet Office · South WestWon by Fendercare Ltd£20k
- Awarded3 Sep 2025Whitburn Outfall Buoy ReplacementThe Coal Authority · East MidlandsWon by Seaserve Limited£36k
- Awarded13 Aug 2025AtoN & Moorings - Maintenance & RepairCaledonian Maritime Assets Ltd · ScotlandWon by Alchemy Plant & Contracting Ltd£1.1m
- Awarded25 Jun 2025Lanterns 13NMNorthern Lighthouse Board · ScotlandWon by SPX Aids to Navigation£22k
- Awarded25 Jun 2025TENDER FOR THE PROVISION OF MARINE SOLAR PANELS FOR THE GENERAL LIGHTHOUSE AUTHORITIES OF THE UNITED KINGDOM AND IRELANDNorthern Lighthouse BoardWon by Solar Capture Technologies Ltd£2.3m
- Awarded10 Jun 2025STA1489 - HydrosphereTrinity House · LondonWon by Hydrosphere UK Ltd£36k
- Awarded23 May 2025Defence Marine Services – Supply and Maintenance of Authority Moorings, Markers and TargetsMinistry of DefenceWon by Briggs Marine Contractors Limited£182m
- Awarded22 May 2025STA1484 - Hazard Warning Signals - SPX Aids to NavigationTrinity House · LondonWon by SPX Aids to Navigation£46k
- Awarded20 May 2025GB-Edinburgh: Buoy BodiesNorthern Lighthouse Board · ScotlandWon by JGC Engineering and Technical Services Ltd£80k
- Awarded24 Mar 2025CEFAS25-45 Guardbuoys for Waverider ProtectionCefas · East of EnglandWon by Northern Lighthouse Board£35k
- Awarded28 Feb 2025CEFAS25-43 Hire of Trinity House guard buoys essential for Waverider buoys protectionCefas · East of EnglandWon by Trinity House£87k
- Awarded20 Dec 2024GB-London: STA1481 - Racon/Seabeacons Servicing/Repair - Orga Signal LLC - PO 180162Trinity House · East of EnglandWon by Orga Signal BV£27k
- Awarded29 Nov 2024Marking and Guarding the wreck of the SS Richard Montgomery - FY 24/25Maritime and Coastguard Agency · South EastWon by Port of Sheerness Limited£90k
Where to bid
Where mooring buoys tenders are run
Delta eSourcing3 75%
ProContract1 25%
Tenders published in the last year that name the bid portal they run on.
Hydrosphere UK Ltd won the most mooring buoys contracts
Briggs Marine Contractors Limited won the most by value. Each dot is one contract, coloured by who bought it.
Transport and utilitiesCentral governmentEducationCouncils
| Rank | Contractor | Contracts won, by buyer | Contracts | Value won | Buyers | Share |
|---|---|---|---|---|---|---|
| 1 | Hydrosphere UK Ltd London · SME · See every contract | 4 | £122k | 2 | ||
| 2 | Port of Sheerness Limited South East · See every contract | 3 | £1.2m | 1 | ||
| 3joint | Trinity House East of England · See every contract | 2 | £179k | 1 | ||
| 3joint | SPX Aids to Navigation OY East of England · SME · See every contract | 2 | £93k | 2 | ||
| 3joint | SPX Aids to Navigation London · SME · See every contract | 2 | £68k | 2 | ||
| 3joint | Fendercare Ltd South West · See every contract | 2 | £44k | 1 | ||
| 3joint | Orga Signal BV East of England · SME · See every contract | 2 | £27k | 1 | ||
| 8joint | Briggs Marine Contractors Limited | 1 | £182m | 1 | ||
| 8joint | Solar Capture Technologies Ltd SME · See every contract | 1 | £2.3m | 1 | ||
| 8joint | Alchemy Plant & Contracting Ltd Scotland · SME · See every contract | 1 | £1.1m | 1 |
10 more mooring buoys contractors ranked. See the full ranking →
Win mooring buoys contracts? Share your ranking.
Who buys
Transport and utility bodies award 63% of mooring buoys contracts
Contracts with a published value in the last 2 years, from the type of buyer to the size of the contract.
6 buyers bought mooring buoys more than once in the last 2 years
Each dot is a buyer, by how many mooring buoys contracts it awarded in the last 2 years.
See who they are and when they usually buy →
Few and big, or many and small
Each dot is a buyer: how many mooring buoys contracts it awarded against what they were worth. The busiest and biggest are named.
Transport and utilitiesCentral governmentEducationCouncils
Top buyers by contracts awarded
| Rank | Buyer | Contracts | Value |
|---|---|---|---|
| 1 | Northern Lighthouse Board | 7 | £2.5m |
| 2 | Trinity House | 7 | £283k |
| 3 | Met Office | 5 | £111k |
| 4 | Maritime and Coastguard Agency | 3 | £1.2m |
| 5 | Cefas | 3 | £214k |
| 6 | Ministry of Defence | 2 | £183m |
| 7 | Caledonian Maritime Assets Ltd | 1 | £1.1m |
| 8 | Havant Borough Council | 1 | £71k |
| 9 | The Coal Authority | 1 | £36k |
74 mooring buoys contracts awarded since 2021
- 112021
- 112022
- 142023
- 102024
- 142025
- 142026 so far
Prices
Half of mooring buoys contracts are worth less than £44k
Transport and utilitiesCentral governmentEducationCouncils
The 10 biggest mooring buoys contracts
- Ministry of DefenceBriggs Marine Contractors Limited · 23 May 2025
- Northern Lighthouse BoardSolar Capture Technologies Ltd · 25 Jun 2025
- Caledonian Maritime Assets LtdAlchemy Plant & Contracting Ltd · 13 Aug 2025
- Maritime and Coastguard AgencyPort of Sheerness Limited · 13 Aug 2026
- Ministry of DefenceDart Harbour Navigation Authority · 24 Apr 2026
- Maritime and Coastguard AgencyPort of Sheerness Limited · 10 Mar 2026
- CefasTrinity House · 27 Feb 2026
- Maritime and Coastguard AgencyPort of Sheerness Limited · 29 Nov 2024
- CefasTrinity House · 28 Feb 2025
- Northern Lighthouse BoardJGC Engineering and Technical Services Ltd · 20 May 2025
Renewing contracts
2 mooring buoys contracts come up for renewal in the next 12 months
2 in the next 6 months. The 2 ending soonest are shown in full.
Ends Mar 2027
CCN 1 - CEFAS25-43 Essential Guard Buoys for Waverider Protection
Cefas · East of England · 1-year contract
Held by Trinity House
Where and when
Scotland awards the most mooring buoys contracts
Contracts by region and by month awarded. Click a region to filter the page.
FewerMore contracts
The regions as a table
| Region | Open now | Contracts | Value | Typical contract | Won the most | Bought the most | Renewing in 12 months |
|---|---|---|---|---|---|---|---|
| Scotland | 0 | 7 | £1.3m | £35k | – | Northern Lighthouse Board (6) | 0 |
| East of England | 0 | 5 | £290k | £49k | Trinity House (2) | Cefas (3) | 2 |
| London | 0 | 4 | £463k | £41k | Hydrosphere UK Ltd (2) | Trinity House (3) | 0 |
| South East | 0 | 4 | £1.3m | £94k | Port of Sheerness Limited (3) | Maritime and Coastguard Agency (3) | 0 |
| South West | 0 | 3 | £58k | £20k | – | Met Office (3) | 0 |
| East Midlands | 0 | 1 | £36k | – | – | – | 0 |
| North East | 0 | 0 | Not published | – | – | – | 0 |
| North West | 0 | 0 | Not published | – | – | – | 0 |
| Yorkshire and the Humber | 0 | 0 | Not published | – | – | – | 0 |
| West Midlands | 0 | 0 | Not published | – | – | – | 0 |
| Wales | 0 | 0 | Not published | – | – | – | 0 |
| Northern Ireland | 0 | 0 | Not published | – | – | – | 0 |
Often bought with mooring buoys
Related services
Key findings
- £53k a month
of mooring buoys contracts awarded.
Typical contract £35k x 1.5 contracts a month, last 12 months. - 1.3
mooring buoys contracts are awarded in a typical month.
30 contracts in the last 2 years. - 2
mooring buoys contracts come up for renewal in the next 6 months.
Recurring contracts with a named supplier and a published end date before 5 May 2027. - 2
frameworks and DPSs are running for mooring buoys work.
0 open to join now. - 57%
of mooring buoys contracts are won by SMEs.
As recorded by the buyer, on 30 award notices.
How many mooring buoys tenders and contracts are there?
| Since November 2021 | Last 12 months | |
|---|---|---|
| Notices published | 146 | 31 |
| Contracts awarded | 63 | 18 |
11 mooring buoys contracts and frameworks end in the next 12 months, 8 of them recurring services. In the last two years, 9 buyers awarded mooring buoys contracts to 20 suppliers.
Source: Find a Tender, Contracts Finder, Public Contracts Scotland, Sell2Wales and eTendersNI, to 4 November 2026. By Seamus White. How we count
Questions
How many mooring buoys contracts does the UK public sector award?
30 in the 2 years to 4 November 2026, from 9 public buyers.
How long are mooring buoys tenders open for?
The median mooring buoys tender is open for 28 days from publication to deadline.
How much is a typical public sector mooring buoys contract worth?
The median is £44k, and 83% are worth less than £250k.
Who wins the most public sector mooring buoys contracts?
Hydrosphere UK Ltd won the most (4). Briggs Marine Contractors Limited won the most by value (£182m).
Which buyers award the most mooring buoys contracts?
Transport and utility bodies award 63% of them.
Which part of the UK awards the most mooring buoys contracts?
Scotland: 7 of 30 in the 2 years to 4 November 2026, then the East of England (5) and London (4).
How many mooring buoys contracts come up for renewal in the next 12 months?
2 contracts end and are likely to be re-let, the first on 10 December 2026. Another 1 ending is one-off work.
What is included
Supply and maintenance of navigation buoys, mooring buoys and mooring equipment for aids to navigation and harbours.
- Aids to navigation buoys
- Large mooring buoys
- Mooring chain and equipment for navigation buoys
- Power and control equipment for lighthouses and aids to navigation, including batteries, solar regulators, chargers and RTU monitoring cubicles
What is not included
- Harbour mooring and berthing services (see Port and harbour operation and services)
- Harbour marine and mooring installation works (see Harbour, marine and mooring works)