Land Development
From masterplanned communities to mixed-use developments, we combine technical expertise with innovative design to create places that serve communities for generations to come.
Learn More
An award-winning civil engineering consultancy
Cossill & Webley is one of Australia’s most well-respected engineering consultancies, partnering with industry leaders to create award-winning projects and communities that stand the test of time.
What We Do
Engineering sustainable outcomes for communities
Over 35 years of civil engineering excellence across Perth, Melbourne and Geelong.
View Our Projects
Launch your engineering career
Start your engineering career with confidence with the Cossill & Webley Graduate Program.
Learn More
Cossill & Webley Consulting Engineers
Creating communities through engineering excellence
Cossill & Webley is a leading engineering consultancy with over 35 years of experience delivering award-winning projects across land development communities, infrastructure projects and energy transformation services. With offices in Perth, Melbourne and Geelong, our dedicated team, led by respected leadership team, provides end-to-end services from feasibility and concept planning through to construction and contract administration.
More About Us
What We Do
Our Services
We deliver sustainable, innovative engineering solutions in urban development, infrastructure and energy transformation, shaping thriving communities across Perth, Melbourne and Geelong.
Infrastructure
We design and deliver infrastructure that keeps communities connected, from roads and bridges to water systems, drainage networks and public open spaces that balance functionality and long-term value.
Learn More
Energy Transformation
We deliver innovative energy solutions across power and communication networks, solar and energy storage systems and research and feasibility studies, supporting a more sustainable future.
Learn More
Our Team
Meet the people behind our success
Our dedicated team brings decades of expertise to every project. We take pride in delivering exceptional outcomes while building lasting partnerships with our clients.
Meet Our Team
Trusted by Industry Leaders
Since 1989, Cossill & Webley has partnered with Australia’s tier-one developers, government agencies and private clients to deliver award-winning engineering projects.
