McMillen Jacobs Associates is an employee-owned engineering consultancy that provides practical, cost-effective, and innovative solutions for difficult underground infrastructure and transport projects across many sectors. With an emphasis on tunnels, portal structures and shafts, we offer a full range of design and construction phase services, as well as providing the broader heavy civil construction industry with a robust package of claims and dispute resolution services.

Our blend of technical expertise and field experience puts us ahead of our competitors. Our engineers have specialised education and practical knowledge in a variety of disciplines required for underground projects, including engineering geology, geotechnical engineering, rock mechanics, structural engineering, architecture, construction contracting, and dispute resolution.

McMillen Jacobs Associates is an award-winning leader in underground engineering. The firm has a staff of over 400 employees operating out of 21 offices in Australia, New Zealand, Canada, and the United States.

McMillen Jacobs Associates is in business to provide solutions that result in the success of our clients’ complex transportation projects. We always approach our work with leading-edge talent and an in-depth understanding of the construction process.