Search UK public tenders and contract notices

Future Offshore Wind (FOSW) Metocean Survey Capability- Preliminary Market Engagement

The Crown Estate · Central government · Nationwide (UK)

The Crown Estate (TCE) is undertaking preliminary market engagement in advance of a future procurement for a multi-service capability that includes: Technical Advisory services; Survey provider services; and Survey Management Services to su…

• Map-making services
• Marine services
• Offshore services
• +2

Marine Research Vessel Refit, Maintenance, Equipment and Support Services Framework

National Oceanography Centre · Other public body · Nationwide (UK)

The National Oceanography Centre (NOC) is looking to establish an open framework for the refit, maintenance, equipping and sustainment of its operational research vessels, including RRS James Cook and RRS Discovery, together with associated…

• Engineering services
• Fishing, emergency and other special vessels
• Installation services of equipment for measuring, checking, testing and navigating
• +3

South West Wales Regional Civil Engineering Contractors Framework 2027

Carmarthenshire County Council · Local authority · Wales (Cymru)

Carmarthenshire County Council in association with Ceredigion County Council, Neath Port Talbot County Borough Council, Pembrokeshire County Council and Swansea Council intends to establish a new iteration of this Framework by appointing su…

• Construction work
• Geological, geophysical and other scientific prospecting services
• Marine services
• +2

Classification of Marine Vessels

Scottish Government · Scotland

Marine Directorate require to engage a classification society to ensure that its vessels remain in class by undertaking regular surveys following maintenance and major repairs to ensure that work has been done to appropriate standard to ens…

Awarded to Lloyds Register

• Content or data standardization and classification services
• Marine services

ANDBC Tender for the Provision of Marine Work Services

Ards and North Down Borough Council · Local authority · delivery region not published

Tenders are sought by Ards and North Down Borough Council (the Council) for the Provision of Marine Work Services. The Council currently operate 5 harbours - Groomsport, Donaghadee, Ballywalter, Ballyhalbert and Cook St. Portaferry. In addi…

• Marine services
• Marine-base support services
• Repair, maintenance and associated services related to marine and other equipment

Construction Professional Services Lot 1

The Minister for the Cabinet Office acting through Government Commercial Agency · Central government · Nationwide (UK), East Midlands, East of England, Greater London

Commercial Support

Awarded to AECOM Limited, Arcadis Consulting (UK) Limited, AtkinsRéalis PPS Limited +10 more · 20 awards

• Advisory and consultative engineering services
• Advisory architectural services
• Airport engineering services
• +3

Port Agency Services

International Nuclear Services Limited · Other public body · Nationwide (UK)

Provision of international port agency services to support NTS shipping operations. Services may include port call coordination, liaison with port and regulatory authorities, management of local sub-agents, documentation support, vessel hus…

• Marine services
• Port
• Port management services
• +1

The Crown Estate- Managing Agents Asset Management

The Crown Estate · Central government · Nationwide (UK)

The Crown Estate (TCE) is undertaking a strategic procurement to appoint Managing Agents to deliver a broad range of asset, contract, compliance, and customer management services across its diverse UK portfolio, comprising coastal, marine, …

• Marine services

ANDBC Appointment of an Integrated Consultancy Team for the Redevelopment of Bangor Marina and Harbour Wetside Facilities under Bangor Waterfront Redevelopment

Ards and North Down Borough Council · Local authority · Northern Ireland

The Contracting Authority is developing a long-term vision for the Redevelopment of Bangor Waterfront. The vision is to turn Bangor into a ‘destination of choice’, as a place to live, work, visit, study and invest, through a series of inter…

• Civil engineering consultancy services
• Construction consultancy services
• Construction management services
• +3

Provision of Designated Person for the Ports & Marine Facilities Safety Code and Marine Safety Management System (MSMS)

Orkney Islands Council · Local authority · Scotland

Orkney Islands Council is the Statutory and Competent Harbour Authority for the Local Authority ports of Scapa Flow, Kirkwall and additional ferry terminals / piers within the Orkney Islands group. Orkney Islands Council has a requirement f…

• Marine services

Shipyard Supervision Framework call off

Caledonian Maritime Assets Ltd (Utility) · Nationwide (UK), Scotland

Appointment of site supervisor to carry out Steelwork and Coatings supervision on behalf of CMAL during construction of CMAL’s 7 SVRP Phase 1 vessels in Remontowa Shipbuilding, Gdansk, Poland

Awarded to Esbel, HOL Ship Service AS, SeaTec UK Ltd · 2 awards

• Marine services

Appointment of an Operator for Bangor Marina and Harbour

Ards and North Down Borough Council · Local authority · Northern Ireland

Ards and North Down Borough Council seeks Participation Stage Submissions for the appointment of an Operator to operate Bangor Marina and Harbour situated in Bangor, Co.Down. Situated on the Belfast Lough, Bangor Marina and Harbour is one o…

Awarded to BOATFOLK MARINAS LIMITED

• Management-related services
• Marine services
• Port management services

Maintenance of Engines, Propulsion Systems and Associated Equipment for Marine Vessels

Scottish Government · Scotland

1.1 The Scottish Ministers wish to set up a service contract which will provide maintenance for engines, propulsion system and associated equipment for four of these vessels including the supply of all spare parts required for scheduled mai…

Awarded to WARTSILA UK LIMITED · 2 awards

• Installation services of marine engines
• Marine services
• Repair and maintenance services
• +3

ID 6221637 - AFBI - Supply, Delivery, Software Support and Warranty of Integrated Freshwater Data Buoys and Monitoring Hardware

Agri-Food and Biosciences Institute (AFBI) · Central government · Northern Ireland

AFBI requires the supply and delivery of 5 data buoys with associated sensor packages, and 7 stand-alone Temperature and Dissolved Oxygen Loggers. Both the integrated data buoys and the temperature DO loggers will require appropriate softwa…

Awarded to RS Aqua Ltd, TechWorks Marine Limited · 2 awards

• Buoy maintenance services
• Buoy marking services
• Buoy positioning services
• +3

Leasing Sustainability & Supply Chain Advisor (Marine) Framework Agreement

The Crown Estate · Central government · Nationwide (UK)

The Leasing Sustainability & Supply Chain Advisor is responsible for advising The Crown Estate (TCE) in relation to all the sustainability and supply chain aspects of any future offshore wind leasing round and tender process (across social …

Awarded to BARINGA PARTNERS LLP, DELOITTE LLP, GUIDEHOUSE EUROPE LIMITED +2 more

• Marine services
• Offshore services

FW Marine Warranty Services - Cable Installation & Offshore Construction Projects

SCOTTISH HYDRO ELECTRIC TRANSMISSION PLC · Other public body · Nationwide (UK), Scotland

SSEN Cable Installation Projects and Associated Activities will require Marine Warranty Services to be provided by a suitably qualified Marine Warranty Surveyor.

Awarded to ABL GROUP SCOTLAND LIMITED, Global Maritime Consultancy Ltd, Mwaves Ltd · 3 awards

• Marine services

Defence Marine Services - Supply and Maintenance of Authority Moorings, Markers and Targets

Ministry of Defence · Central government · Nationwide (UK), North East England, North West England, South West England, Wales (Cymru), Scotland

Supply and Maintenance of Authority Moorings, Markers and Targets

Awarded to Briggs Marine Contractors Ltd

• Anchor handling services
• Buoy maintenance services
• Buoy marking services
• +3

Digital Assessment Platform

Maritime and Coastguard Agency · Central government · delivery region not published

The Maritime and Coastguard Agency (MCA) is seeking a high-quality service provider to revolutionise the assessment process for Certificates of Competency (CoC) by delivering modernised, practical application-based examinations. This crucia…

Awarded to The International Association of Maritime Institutions

• Institution management services
• Marine services
• Miscellaneous business and business-related services
• +1

Commercial Advisory Services (Marine) Framework Agreement

The Crown Estate · Central government · Nationwide (UK)

The Crown Estate (TCE) manages the seabed around England, Wales and Northern Ireland, and is responsible for its utilisation for offshore wind (OSW) projects. In line with Government and industry appetite, OSW is a core component of supplyi…

Awarded to GUIDEHOUSE EUROPE LIMITED, Grant Thornton UK Advisory & Tax LLP, KPMG LLP +2 more

• Marine services
• Offshore services
• Technical services

Contract for Execution of Morfa Quay and New Cut Road Pontoons

City & County of Swansea · Local authority · Wales (Cymru)

This scheme comprises two key elements: The Morfa Quay Pontoon and The New Cut Road Pontoon. This project is being tendered as a single stage design and build contract. The successful bidder is expected to be appointed under an Engineering …

Awarded to supplier not published

• Architectural design services
• Consultative engineering and construction services
• Design consultancy services
• +3

Wyville Thomson Ridge (0924S) Imagery Analysis

JNCC SUPPORT CO · Central government · Nationwide (UK)

The Joint Nature Conservation Committee (JNCC) is the statutory adviser to the UK Government and devolved administrations on UK and international nature conservation Our role is to provide scientific evidence, information, and advice to inf…

• Environmental services
• Marine services

Diving services framework 2026 Engagement session

Natural Resources Wales · Central government · Wales (Cymru)

This is a supplier engagement session notice in relation to the establishment of Diving services Framework agreement 2026. Natural Resources Wales (NRW) is seeking qualified professional scuba diving contractors to support our marine biolog…

• Marine services

SU160(25) Contract Details Notice for the supply of Fisheries Monitoring Equipment including Acoustic Tags and Receivers for Fish Tracking Programme

Swansea University · Education · Wales (Cymru)

Contract Details Notice of SU160(25) Contract with RS Aqua Ltd for the supply of Fisheries Monitoring Equipment including Acoustic Tags and Receivers for Fish Tracking Programme signed 30th October 2025

Awarded to RS Aqua Ltd

• Acoustic devices
• Aquatic products
• Marine research services
• +3

Construction Professional Services DPS

The Minister for the Cabinet Office acting through Crown Commercial Service · Central government · Nationwide (UK), Greater London

Crown Commercial Service (CCS) as the Authority intends to put in place a dynamic purchasing system for the provision of Construction Professional Services including but not limited to; project management, engineering, cost consultancy, des…

Awarded to BELLROCK ADVISORY LLP, Mott Macdonald Limited · 3 awards

• Advisory and consultative engineering services
• Advisory architectural services
• Airport engineering services
• +3

FW Marine Warranty Services - Cable Installation & Offshore Construction Projects

SCOTTISH HYDRO ELECTRIC TRANSMISSION PLC · Other public body · Nationwide (UK)

SSEN Cable Installation Projects and Associated Activities will require Marine Warranty Services to be provided by a suitably qualified Marine Warranty Surveyor.

Awarded to supplier not published

• Marine services

DFI - Rathlin Island Ferry Service

CPD - Supplies & Services Division · Northern Ireland

Awarded to Dunverty Ltd

• Marine services

GSS24096 - Marine Labour

UK Research and Innovation · Central government · Nationwide (UK)

***Please note this is an award notice, not a call for competition*** BAS required ad-hoc marine contingent labour to be supplied to the BAS vessels as and when required. This procurement relates to the established a framework agreement, wh…

Awarded to Advanced Resource Managers Limited, Elite Consult Group Ltd, Offshore Operations Limited +2 more · 5 awards

• Marine services

Future Offshore Wind - PAO Engagement - Preliminary Market Engagement Notice

The Crown Estate · Central government · North East England, Yorkshire and the Humber, East Midlands, Greater London, South West England, Wales (Cymru)

The Crown Estate periodically holds competitive tenders to lease areas of the seabed in England, Wales and Northern Ireland for the construction and operation of offshore wind farms. The Crown Estate, through its collaborative, strategic de…

• Construction-related services
• Marine services
• Offshore services

Defence Marine Services – Support to In-Port Marine Services and Delivery of a Vessel Replacement Programme

Ministry of Defence · Central government · Nationwide (UK), South East England, South West England, Scotland

Award of Contract under DMS-NG for the Defence Marine Services – Support to In-Port Marine Services and Delivery of a Vessel Replacement Programme contract

Awarded to Serco Ltd

• Marine services
• Marine-base support services
• Ship brokerage services
• +3

Defence Marine Services - Next Generation: Contract 2 - Inshore Support to Military Training, Testing and Evaluation

Ministry of Defence · Central government · Nationwide (UK), South East England, South West England, Wales (Cymru), Scotland

Inshore Support to Military Training, Testing and Evaluation

Awarded to Serco Ltd

• Dive-support vessels
• Hire of boats with crew
• Hire of sea-going vessels with crew
• +3

Defence Marine Services - Next Generation: Contract 4 - Offshore Support to Military Training and Exercises

Ministry of Defence · Central government · Nationwide (UK), South East England, South West England, Scotland

The contract will provide discrete Defence Marine Services for Offshore Support to Military Training and Exercises in UK waters and select overseas territories. The services will be provided at various locations up to and including 100 naut…

Awarded to Serco Ltd

• Dive-support vessels
• Hire of boats with crew
• Hire of sea-going vessels with crew
• +3

Marine Licencing and Specialists Advice Framework 2025

Natural Resources Wales · Wales (Cymru)

In order to discharge our duties under Marine and Coastal Access Act (2009) and Marine Works EIA Regulations (2007) as amended, Natural Resources Wales Marine Licensing Team (NRW MLT) seek specialist technical advice from appropriate expert…

Awarded to ABP MARINE ENVIRONMENTAL RESEARCH LIMITED, Haskoning UK Ltd, Ocean Ecology Limited +1 more · 3 awards

• Administrative educational services
• Aquaculture services
• Aquatic marine services
• +3

West Coast Work Boat

Trinity House · Nationwide (UK)

Trinity House, in its capacity as a General Lighthouse Authority (GLA), requires a Contractor to provide a Work Vessel (“the Vessel”) and Aid to Navigation Support Services (“the Services"), primarily in and around the Bristol Channel, but …

Awarded to Severn Seas Shipping Ltd · 2 awards

• Marine services

UK2 - Preliminary Market Engagement (Sonar Modelling Handbook)

Defence Science and Technology Laboratory · Central government · Nationwide (UK)

The Sonar Modelling Handbook (SMH) has been the standard reference for modelling, data and metrics across the UK defence underwater acoustic enterprise for multiple decades, supporting work within the MoD, industry and academia. It provides…

Awarded to supplier not published

• Marine services
• Sonars

ID 5332920 - DfI - Specialist Marine Consultant 2024-29

Department for Infrastructure · Central government · Northern Ireland

The Client requires a Contractor for specialist marine engineering and naval architecture expertise to ensure that issues can be assessed and appropriately dealt with in a timely manner thus reducing the risk of delays or disruption in ferr…

Awarded to VECTIS MARINE DESIGN LIMITED

• Environmental issues consultancy services
• Marine conservation strategy planning
• Marine research services
• +3

Provision of Naval Architecture Consultancy Services

Shetland Islands Council · Local authority · Scotland

The purpose of this Invitation to Tender (ITT) is to invite economic operators to submit Tenders for an anticipated 36-month period under a Framework Agreement with an anticipated start date of 17th July 2023 for the Provision of Naval Arch…

Awarded to MACDUFF SHIP DESIGN

• Marine services

Archaeological Services in relation to Marine Protection 2025-2027

Archaeological Services in relation to Marine Protection 2025-2027 (NP225) · Nationwide (UK)

The UK is a signatory to the European Convention on the Protection of the Archaeological Heritage (revised) 1992. The aim of the Convention is to protect the archaeological heritage as a source of the European collective memory and as an in…

Awarded to MSDS Marine Ltd

• Archaeological services
• Marine research services
• Marine services
• +2

ANDBC Pre-Qualification Questionnaire - Operator for Bangor Marina and Harbour, Co Down, Northern Ireland

Ards and North Down Borough Council · Local authority · Northern Ireland

Situated on the Belfast Lough, Bangor Marina and Harbour is one of the largest 5 Gold Anchor accredited marina developments on the island of Ireland. The 541-berth marina is accessible 24/7 at all states of tide and is home to an active fle…

Awarded to supplier not published

• Management-related services
• Marine services
• Port management services

OPA T615/1 Marine Safety Support Services Framework

The Oil and Pipelines Agency · Nationwide (UK)

The OPA is seeking a range of professional services as set out below. Tenderers should possess experience of the type of projects and the environments they will be delivered in, particularly Marine Terminal experience or similar for fuel st…

• Marine services
• Marine-base support services
• Port management services

Estates Professional Services

London Universities Purchasing Consortium · Nationwide (UK)

UKUPC is at the early stages of looking to establish a national Professional Services in Construction Framework consisting of seven service provision Lots. The framework will be governed by NEC 4 PSC, NEC4 PSSC andJCT terms and conditions. …

• Arbitration and conciliation services
• Architectural and related services
• Architectural, construction, engineering and inspection services
• +3

Albert Pier, St Helier, Jersey Channel Islands

Ports of Jersey · Extra-regio / offshore

Upgrade to Albert Pier, St Helier, Jersey, Channel Islands

Awarded to Geomarine Limited

• Construction work
• Construction work for water projects
• Marina construction work
• +3

Marine Licencing and Specialists Advice Framework 2025 _Supplier Engagement session

Natural Resources Wales · Wales (Cymru)

The Marine Licensing Team (MLT) within NRW act as the regulator for marine development consent within Wales (currently inshore region – to 12nm offshore), as described by the Marine and Coastal Access Act (MACAA, 2009). NRW undertakes this …

• Marine services

Underwater Inspections Framework 2025

Leeds City Council · Local authority · Yorkshire and the Humber

The work comprises Underwater Surveys (scour inspections) including areas of confined spaces of the abutments/foundations/piers/soffit of bridges and other structures, Principal Inspections of bridges/culverts, General Inspections of bridge…

• Diving services
• Marine services
• Marine survey services

Civil Engineering Dynamic Purchasing System (DPS) Scotland - projects up to 5 million GBP

Scottish Government · Scotland

The Scottish Ministers have been working with internal and external stakeholders on the development of a Scottish collaborative Dynamic Purchasing System (DPS) for Civil Engineering projects up to 5 million GBP for use across the Scottish p…

• Building installation work
• Cable, wire and related products
• Construction materials
• +3

Selection Questionnaire (SQ) – Marine Technical Services

The Crown Estate Commissioners · Nationwide (UK)

The Crown Estate is seeking to appoint multiple suppliers to provide Technical Services covering a range of sectors and disciplines, each of which forms a ‘Lot’ within this SQ/ITT: 1. Offshore Wind 2. Marine Energy (Wave, Tidal Stream, Tida…

• Aggregates
• Carbon
• Energy and related services
• +3

C1236 - Commercial Diving and Maintenance of Aids to Navigation

NI Water and its subsidiaries · Northern Ireland

Northern Ireland Water and its subsidiary Northern Ireland Water Alpha operate a number of Water Treatment Works supplied from a variety of Raw Water Sources. Depending on the water quality of the Raw Water Sources, it may be necessary to p…

• Aquatic marine services
• Buoy maintenance services
• Diving services
• +3

Construction Professional Services 2

The Minister for the Cabinet Office acting through Crown Commercial Service (CCS · Central government · Nationwide (UK)

Crown Commercial Service (CCS) as the Authority intends to put in place a Pan Government Collaborative Agreement for the provision of Construction Professional Services to be utilised by Central Government Departments and all other UK Publi…

• Advisory and consultative engineering services
• Ancillary building services
• Archaeological services
• +3

Construction Professional Services 2

The Minister for the Cabinet Office acting through Crown Commercial Service (CCS · Central government · Nationwide (UK)

Crown Commercial Service (CCS) as the Authority intends to put in place a Pan Government Collaborative Agreement for the provision of Construction Professional Services to be utilised by Central Government Departments and all other UK Publi…

• Advisory and consultative engineering services
• Ancillary building services
• Archaeological services
• +3

Marine Licensing & Specialist Advice Framework - Lot 2

Natural Resources Wales · Wales (Cymru)

NRW Marine Licensing Team are currently tendering for the provision of specialist technical advice on the impacts to the environment from marine licence applications. Whilst NRW hosts a number of environmental specialists, there are a numbe…

Awarded to ABP MARINE ENVIRONMENTAL RESEARCH LIMITED, ABP Marine Environmental Research Ltd (ABPmer), Cefas · 4 awards

• Marine services

PQQ SIMA

Menter Môn Cyf · Wales (Cymru)

For the SIMA work stream, we are inviting PQQs from tenderers, able to integrate the separate sensors and elements of the monitoring and mitigation system into a single operational demonstration, that will be deployed on the Marinus Buoy in…

Awarded to Seiche Ltd

• Environmental monitoring other than for construction
• Marine conservation strategy planning
• Marine installations
• +2