Competition with a shortlist
Competitive procedure with a selection stage: suppliers were shortlisted before being invited to bid.
Key facts
- Buyer
- Scottish Water
- Suppliers
- Aecom Limited, Stantec UK Limited SME, WGM Engineering, Mott MacDonald Bentley Ltd, Farrans Limited, Ross-shire Engineering Limited (RSE), M Group Water (Network Infrastructure) Ltd
- Value
- £9,000,000,000 across 7 lots
- Procedure
- Negotiated procedure with prior call for competition
- Sector
- Architecture & engineering · Engineering design services (CPV 71320000)
- Region
- Scotland
- Official notice
- 027118-2026 on Find a Tender
- Timeline
-
- Contract date19 Mar 2026
- Published25 Mar 2026Published 6 days after the contract date
Description
Scottish Water is seeking to appoint a strategic partner(s) for the provision of Primary Designer services. This will provide assistance with the Strategic programme development, design and delivery of its Investment Programme and will cover improvement works associated with all Water and Wastewater assets across Scotland. This may include new assets, renewals, modification, maintenance, refurbishments, extensions and enhancements to existing assets. It is a requirement that bidders must be capable to act as the Principal Designer role under the Construction, Design and Management (CDM) 2015 Regulations, this includes pre construction responsibilities. <br/><br/>Estimated contract value across the framework for a 13 year period, expected to commence April 2026 is in the range of £600 million to £1.3bn. <br/>The Primary Designer will be engaged to provide strategic support, studies, design and technical services at pre, during and post construction, ensuring successful delivery of infr…
Lots in this award
| Lot | Supplier | Value |
|---|---|---|
| DV4 Enterprise: Lot 1 - Primary Designer(s) | Aecom Limited | £650m |
| DV4 Enterprise: Lot 1 - Primary Designer(s) | Stantec UK Limited SME | £650m |
| DV4 Enterprise: Lot 2 - Asset Delivery Partners | WGM Engineering | £1.54bn |
| DV4 Enterprise: Lot 2 - Asset Delivery Partners | Mott MacDonald Bentley Ltd | £1.54bn |
| DV4 Enterprise: Lot 2 - Asset Delivery Partners | Farrans Limited | £1.54bn |
| DV4 Enterprise: Lot 2 - Asset Delivery Partners | Ross-shire Engineering Limited (RSE) | £1.54bn |
| DV4 Enterprise: Lot 2 - Asset Delivery Partners | M Group Water (Network Infrastructure) Ltd | £1.54bn |
About the suppliers
Aecom Limited: every public contract they have won, plus their Companies House record (company 01846493).
Stantec UK Limited: every public contract they have won, plus their Companies House record (company 01188070).
WGM Engineering: every public contract they have won, plus their Companies House record (company SC099834).
Mott MacDonald Bentley Ltd: every public contract they have won.
Farrans Limited: every public contract they have won, plus their Companies House record (company NI004078).
Ross-shire Engineering Limited (RSE): every public contract they have won, plus their Companies House record (company SC177939).
M Group Water (Network Infrastructure) Ltd: every public contract they have won, plus their Companies House record (company 04530602).