Cooper & Jones Plumbing work alongside Perth’s largest commercial builders to provide WA’s leading hydraulic & civil draining solutions that go above and beyond our clients needs. We have been proudly operating in WA for over fourty years and are proud to be 100% Western Australian owned and managed.
Who we are
Cooper & Jones Plumbing
40 Years of Excellence
We pride ourselves on our highly skilled, diverse and powerful team. Our supportive culture has allowed us to craft a team of experts who’ve stayed with the company for over a decade. Additionally, our strong affiliation with the Master Plumbing Association ensures we’re assisting in the crafting of quality WA tradespeople.
What We Stand For
Diversity: We’re proud to have a diverse team at Cooper & Jones. The variety of backgrounds has allowed us to create a supportive and nurturing environment.
Loyalty: The quality of our culture can be shown by the longevity of our employees, with many exceeding ten years with the company.
Family Friendly: At the end of the day, family comes first. We’re proud to have a workplace that supports West Australian families.
Community Oriented: We support upcoming tradespeople by offering work experience and placements with the Master Plumbing Association and several schools.
West is Best: We’re 100% Western Australian Owned and proud to have been operating in this exceptional state for over forty years.
Our Team

Larry Watson
Managing Director

Kylie Treacy
Financial Controller

Mark Jansen
Project Manager

Troy Gatt
Project Manager

Martin Tilley
Project Manager

Mark Hammond
Project Manager

Kiel Tilley
Business Development Manager

Liam Purdy
Estimator