Competition with a shortlist
Competitive procedure with a selection stage: suppliers were shortlisted before being invited to bid.
Key facts
- Suppliers
- 6 Alpha Associates Limited SME, Offshore Wind Consultants Limited, Ove Arup & Partners Limited, Red Penguin Associates Ltd SME, Tetra Tech RPS Energy Limited, TGS 4C Offshore Limited SME, Wood Group UK Limited, Xodus Group Limited, Abp Marine Environmental Research Limited SME, Aker Solutions Limited, DNV Services UK Limited, Environmental Resources Management Limited +4 more
- Value
- £369,500,000 across 16 lots
- Procedure
- Negotiated procedure with prior call for competition
- Sector
- Research & development · Marine research services (CPV 73112000)
- Region
- London
- Official notice
- 079462-2025 on Find a Tender
- Timeline
-
- Contract date6 Sep 2025
- Published3 Dec 2025Published 88 days after the contract date
Description
The UXO Consultant shall provide a review of legislation and Best Practice Guidance for Marine UXO in the UK Exclusive Economic Zone. The review should highlight the standards for the planning, design, delivery, operation and maintenance, decommissioning or regulation of projects in the marine environment for UXO risk. The review should focus on abandoned explosive ordnance (such as sea-dumped munitions or abandoned ship or aircraft wrecks), rather than chemical warfare agents. The review shall provide a review of the known industry techniques (and their effectiveness) for lower noise alternatives to high order detonation of UXOs within the marine environment. Additional information: National Grid UK Limited will conduct the procurement and enter into the framework agreement with the successfully appointed suppliers for its own benefit and for the benefit of the entities identified below. National Grid UK Limited or any of the following entities shall be entitled to call off from the …
Lots in this award
| Lot | Supplier | Value |
|---|---|---|
| Marine Consultancy Framework: Marine UXO Consultant | 6 Alpha Associates Limited SME | £1.5m |
| Marine Consultancy Framework | Offshore Wind Consultants Limited | £37m |
| Marine Consultancy Framework | Ove Arup & Partners Limited | £43.5m |
| Marine Consultancy Framework | Red Penguin Associates Ltd SME | £37m |
| Marine Consultancy Framework: Marine UXO Consultant | Tetra Tech RPS Energy Limited | £1.5m |
| Marine Consultancy Framework: Offshore Consultancy Support | TGS 4C Offshore Limited SME | £35m |
| Marine Consultancy Framework: HVDC Platform Engineering Services | Wood Group UK Limited | £4.5m |
| Marine Consultancy Framework | Xodus Group Limited | £38.5m |
| Marine Consultancy Framework: Weather/Metocean | Abp Marine Environmental Research Limited SME | £2m |
| Marine Consultancy Framework: HVDC Platform Engineering Services | Aker Solutions Limited | £4.5m |
| Marine Consultancy Framework | DNV Services UK Limited | £6.5m |
| Marine Consultancy Framework | Environmental Resources Management Limited | £39m |
| Marine Consultancy Framework | Hydrofix Limited SME | £38.5m |
| Marine Consultancy Framework | Jacobs U.K. Limited | £37m |
| Marine Consultancy Framework | Metoc Limited SME | £39m |
| Marine Consultancy Framework: HVDC Platform Engineering Services | Mott Macdonald Limited | £4.5m |
About the suppliers
6 Alpha Associates Limited: every public contract they have won, plus their Companies House record (company 05119798).
Abp Marine Environmental Research Limited: every public contract they have won, plus their Companies House record (company 01956748).
Aker Solutions Limited: every public contract they have won, plus their Companies House record (company 04977339).
DNV Services UK Limited: every public contract they have won, plus their Companies House record (company 01503799).
Environmental Resources Management Limited: every public contract they have won, plus their Companies House record (company 01014622).
Hydrofix Limited: every public contract they have won, plus their Companies House record (company 04713320).
Jacobs U.K. Limited: every public contract they have won, plus their Companies House record (company 02594504).
Metoc Limited: every public contract they have won, plus their Companies House record (company 01489779).
Mott Macdonald Limited: every public contract they have won, plus their Companies House record (company 01243967).
Offshore Wind Consultants Limited: every public contract they have won, plus their Companies House record (company 07861245).
Ove Arup & Partners Limited: every public contract they have won, plus their Companies House record (company 01312453).
Red Penguin Associates Ltd: every public contract they have won, plus their Companies House record (company 06430404).
Tetra Tech RPS Energy Limited: every public contract they have won, plus their Companies House record (company 01465554).
TGS 4C Offshore Limited: every public contract they have won, plus their Companies House record (company 06955052).
Wood Group UK Limited: every public contract they have won, plus their Companies House record (company SC296737).
Xodus Group Limited: every public contract they have won, plus their Companies House record (company SC286421).