Scottish Water has confirmed the partner companies which will work with it to transform the country’s water and waste water infrastructure in the utility’s biggest programme of investment ever.

The seven companies which will work with Scottish Water as part of the joint venture, known as The Enterprise, aimed at enhancing Scotland’s water and waste water assets over the period from 2027 to 2033 are:

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

Moving to 'advanced partnering' model in shift from traditional contracting to  more collaborative approach

Rob Mustard, Director of Capital Investment at Scottish Water, said:

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

“We’re moving to an 'advanced partnering' model, shifting from traditional contracting to a more collaborative approach. This model brings partners together through agreed outcomes, ensuring we deliver value for our customers and innovation in every project.

“It represents a significant evolution in how we approach capitalinvestments. It's designed to drive innovation, efficiency, and sustainability, aligning with our long-term goals of environmental stewardship and community enhancement. We’re eager to partner with others to achieve these ambitions."

Scott Jackson, regional business lead for Stantec’s Water business in the UK and Ireland commented:

“This Enterprise marks a pivotal moment for Scotland, its people, and its environment. Our appointment to this transformative programme reflects our teams’ long-term dedication to improving Scotland’s water and wastewater networks. We’re delighted to be bringing local and global expertise together to show what our teams are capable of and help Scottish Water deliver on its extraordinary ambitions. Sustainability, innovation, efficiency, and community will all be placed at the heart of our efforts to boost nationwide water resilience. This fantastic win will allow us to further grow our presence in the country, contributing significantly to local job markets and Scotland’s future.”

Scottish Water published its final SR27 business plan for 2027–2033 on 27 February this year, setting out its proposals to invest £13.4 billion to protect and improve water and wastewater services across Scotland over the next six years.

Following a detailed review of Scottish Water’s Business Plan, the Water Industry Commission for Scotland (WICS) will publish its draft decision on charges for the 2027-33 period on 30 June 2026 for consultation.

WICS will publish its final decision on charges on 29 October 2026. Charges will apply from 1 April 2027 to 31 March 2033.