Supplying Dŵr Cymru Cyfyngedig (Welsh Water)
This page is the central hub for organisations that supply, or are interested in supplying, Welsh Water. It brings together key information, updates, and links to help you understand how we work with our supply chain.
What's here
Our Welsh Water 2050 Vision
Our long term vision sets out how we will deliver safe, reliable water and wastewater services while supporting communities, the environment, and future generations.
Modern Slavery Awareness
At Dŵr Cymru Welsh Water, we are committed to supporting initiatives that raise awareness of modern slavery and promote ethical practices across our organisation and supply chain.
Sustainable Supplier Code
What we expect from our suppliers. Our Sustainable Supplier Code sets out our expectations on sustainability, modern slavery, social value, and responsible business practices.
Tender Process
Welsh Water advertises tender opportunities for goods, services, and works through its procurement portal. Suppliers must be registered on the portal to view opportunities and submit tenders.
Terms, conditions and payment
Welsh Water’s standard Purchase Order terms and conditions apply when supplying goods or services.
Health & Safety Contractor Standards 2026
Health & Safety Contractor Standards have been updated for 2026. The updated version is live in Jaggaer and applies to all tenders issued from this point onwards.
Supply Chain Sustainability School
Welsh Water is a member of the Supply Chain Sustainability School. The School is free to join and supports suppliers to build skills and knowledge across sustainability topics.