Experience makes all the difference
Flagstaff Consulting Group provides specialist commercial and technical consulting services across sectors including Water, Transport, Marine, Resources and Energy.
Established in 1995, Flagstaff has delivered over 1000 assignments. Our Principals have extensive hands-on experience in all aspects of project feasibility, development, engineering and construction, some of whom have held Chief Executive positions’ in major engineering and construction companies and all have had senior project and general management roles in careers spanning up to 45 years.
Flagstaff provides extensive and unique capabilities in defining, implementing and executing major capital initiatives through an analytical, structured and disciplined approach to all aspects of management and project development. Our independence and ability to apply a mature commercial judgement without fear or favour makes us unique in the market place.
Our clients include a broad cross section of government agencies, owners and operators, insurers, construction contractors, materials suppliers, quantity surveyors, architects and consulting engineers.

Navigating complex problems for over 30 years
Celebrating 30 years of excellence in consulting

For the past 30 years, Flagstaff Consulting Group has been a leader in commercial and technical consulting, delivering strategic solutions across Australia’s most critical industries. Since our founding, we have played a key role in major infrastructure, engineering, and commercial projects, helping governments, corporations, and industry leaders navigate complex challenges and achieve outstanding results.
As we celebrate this remarkable milestone, we reflect on our journey, our achievements, and the trusted partnerships we have built.
Flagstaff Experience
Our Clients













