Scottish Water Confirms Preferred Bidders to Deliver Multi-billion Pound Transformation of Water and Waste Water Infrastructure

“The Enterprise is the most significant programme of investment and way of working we have ever implemented. It supports our goals of financial sustainability, customer and service excellence, and going beyond net zero, all while contributing to a flourishing Scotland.”

Rob Mustard
Director of Capital Investment

Scottish Water has announced the preferred bidders for partner companies it will work with to transform the country’s public assets to keep taps flowing and protect the environment.

Firms were invited to bid to be involved in a ground-breaking enterprise-style approach to enhancing Scotland’s water and waste water infrastructure over the period 2027 to 2033, with a potential extension for another six years.

Following the largest procurement ever undertaken by Scottish Water, the publicly-owned utility has announced that the preferred bidders are:

• Stantec as a Primary Designer. 
• Aecom as a Primary Designer. 
• M Group Water as an Asset Delivery Partner 
• Mott MacDonald Bentley as an Asset Delivery Partner 
• Farrans Limited as an Asset Delivery Partner 
• WGM Engineering as an Asset Delivery Partner 
• Ross-Shire Engineering as an Asset Delivery Partner 

Director of Capital Investment, Rob Mustard, said: "The Enterprise is the most significant programme of investment and way of working we have ever implemented. It supports our goals of financial sustainability, customer and service excellence, and going beyond net zero, all while contributing to a flourishing Scotland.”

“Primary Designers will be accountable for design across the Enterprise, ensuring that our designs deliver our outcomes, and Asset Delivery Partners will drive programme and project delivery, ensuring successful execution of capital works in line with those outcomes.

“Once the legalities are completed, we see these organisations working with Scottish Water to form our Enterprise, delivering a third of SR27 investments for our customers.”

The procurement process started on November 25, 2024, and is expected to be fully completed by March 2026.