About Koul Associates

A Perth-based geotechnical engineering consultancy working on civil, energy and mining infrastructure.

Who we are

Koul Associates Pty Ltd (ACN 655 573 523) is a Perth-based Australian geotechnical engineering consulting firm.

Together with our associate geotechnical consulting firms, Koul Associates covers a wide range of services across geotechnical engineering works.

On the back of several decades of combined international experience in the geotechnical industry, our senior technical personnel have proven capability to undertake geotechnical engineering and engineering geological consulting for a wide range of civil and mining infrastructure projects.

Inspecting a block retaining wall
Our vision

Provide safe, robust and cost-effective geotechnical engineering solutions in a timely manner

Senior personnel

Bill Koul

FIEAust, CPEng, NER, APEC Engr, RPEQ, FAIM
Director and Principal Geotechnical Engineer

With over 30 years of experience as a geotechnical engineering professional, Bill’s field of technical expertise includes geotechnical studies (design, construction and geotechnical investigations for shallow and deep foundations) for a broad range of civil and mining infrastructure projects. These include bridges, railways, elevated viaducts, airport infrastructure, power plants, power transmission towers and wind farms.

Bill has worked on infrastructure projects in Australia, New Zealand, PNG, Fiji, China, South-East Asia, South Asia, West Africa and South America, from offices in Perth, Kuala Lumpur and India.

From Perth, Bill has previously held senior positions with 4DGeotechnics, Coffey Geotechnics, Advanced Geomechanics and SNC Lavalin.

Areas of technical expertise

  • Stability of cut and fill slopes

  • Design and testing of pile foundations, including interpretation of test results

  • Ground improvement to strengthen and stiffen softer and weaker ground

  • Earthwork construction for deep fills and fill embankments

Talk to us about your next project

Send through your project details and requirements, or call Bill directly on 0404 647 715.