Who We Are

We work closely with clients to design communities that are functional, sustainable and built to last.

Who We Are

Engineering communities for over 35 years

We are a multidisciplinary team of civil and electrical engineers, project managers and designers delivering practical, sustainable solutions across urban development, infrastructure and energy transformation projects in Perth, Melbourne and Geelong.

Guided by our commitment to engineering excellence, environmental responsibility and enduring partnerships, we create lasting value for our clients and the communities they serve through innovative civil engineering solutions.

Our Track Record

Our History

Founded in 1989 in Perth, Cossill & Webley Consulting Engineers has grown into one of Australia’s most respected civil engineering consultancies.

From our Western Australian roots, we have delivered landmark urban, infrastructure and energy projects across the state, including award-winning communities at Ellenbrook, Alkimos and Brighton, helping shape some of Western Australia’s most significant developments.

In 2016, we expanded into Victoria with the opening of our Melbourne office, now a key pillar of the business. Our newest office in Geelong further strengthens our presence in the region, supporting strong growth in land development and infrastructure across Victoria.

Led by a management team having deep expertise across the Land Development industry, we continue to deliver innovative, sustainable and award-winning outcomes for clients across complex, multi-disciplinary projects

Meet Our Team
Our History

Our Purpose & Values

Our Purpose
Engineering sustainable outcomes by empowering our people and building enduring relationships.

Our Values
Our values shape how we work, how we collaborate, and how we deliver for our clients and communities.

  • Client First – Be easy to deal with; be responsive
  • Excellence – In everything we do
  • Approachable – Be friendly and make time for others
  • Integrity – Be true to our word
  • Teamwork – One team: one company
  • Enjoyment – Enjoying what we do drives great outcomes

Guided by integrity, excellence and sustainability, we approach every project with a commitment to quality, safety and environmental stewardship.

Our Purpose & Values