About Us

Codmah is a national award-winning civil engineering firm, specialising in medium to large scale trenchless solutions, including Horizontal Drilling, Pipe Jacking and Case Boring. Working with all levels of Australian government and all major utilities companies, Codmah boasts outstanding safety and quality track records, spanned across 29 years.

Client and partners

Codmah has worked with select group of clients over many years, being a preferred service provider and a panel member for various organisations, both in government and enterprise.



Codmah was founded in 1991 and has demonstrated continued success, growth and expansion over the ensuing years by providing quality outcomes for our clients. Our organisation boasts a highly experienced workforce with a large fleet of plant and equipment. Our Head Office is located in Prestons, Southwest Sydney from where we manage our projects across the Sydney basin, through NSW and Nationally.

As a Civil Engineering firm, Codmah has developed expertise in trenchless technologies over the course of the past 29 years. As one of the largest (top 1%), and a leader in our industry, we have earned a reputation as a reliable service provider. Our commitment to innovation, safety, compliance and customer service, have earned us multiple industry awards and recognition. We’re proud to have received many recommendation letters and client appreciation letters, as a result of a project running on time, on budget and on scope. We go the extra mile to ensure client satisfaction, and we have client endorsements demonstrating our commitment and professional performance.

Some of our Excellence Awards

Sydney Water – Partnering for Success and Lifestream Award

PSP (Priority Sewerage Program) – QI (Quality Initiative/Innovation/Improvement) Award

Jemena – Vendor Achievement Award, Outstanding Performance

Jemena – Vendor Achievement Award, Innovation

John Holland – Safety Award

PowerCo – Dedication and Achievement Award

York OHL – Safety Award


Need Assistance?

Our team is at your service to help you and answer any related questions

(1300 263 624)