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We are an independent property advisory and project management practice with a wealth of experience.

Our core expertise is construction project management, complemented by our property advisory services. Our experienced and dynamic team will deliver exceptional results at every phase of your project. We work to no one’s agenda but yours and we strive for excellence, delivering as we say, with integrity, on time, on budget and of a high quality.

Forward with confidence

In a dynamic and changing environment, the best solution is always one part best practice, one part new idea. Whilst our name has a proud history, we have built our business by focusing squarely on the path ahead. Through our unrivalled experience we challenge conventional property wisdom, giving our clients a critical edge in a cut throat competitive environment. When you choose Gallagher Jeffs you can move forward with confidence.

Executive Team


Tim d’Antoine

B. APP SC (Construction Mgmt)

Tim joined Gallagher Jeffs in 2006 following his degree at RMIT and several years in the construction industry in Melbourne, the UK and Tasmania - his home state. Tim has lead a diverse range of projects including works at Melbourne Airport, a major CBD residential high rise and the world renowned MONA art gallery in Hobart.


Andy Isherwood

BSc (Hons) MRICS MAPM PRINCE2 Certified

Andy’s geographically-diverse career has seen him garner nearly 20 years of experience across a number of continents and project types. He has been responsible for high-value projects within Europe, the Middle East and Australia – most notably acting as the funders technical advisor, during the development of the world’s tallest building in Saudi Arabia – the 1km plus Kingdom Tower.

Since joining the Gallagher Jeffs team in 2015, Andy has grown into a Director role through his dedication and knowledge of the industry. Today, he leads the Residential sector.


Rob Purdue

B Bldg. (hons)

Rob’s career spans more than 30 years delivering a diverse range of projects as well as fulfilling broader business management roles. Before joining Gallagher Jeffs Rob held senior positions across the construction industry including Branch Manager at John Holland.

Our People

What makes us great

Great People

As a professional services firm, the quality of our people determines the success of both our projects and our business. We aim to be a sustainable, successful and enjoyable business for our staff, project stakeholders and clients.

We are proud to have developed a team of long tenure senior staff who continually deliver high quality service to each and every client, ensuring we maintain a repeat business rate in excess of 75% year on year.


Among our project management ranks we have an average staff tenure of 6 years with many senior staff having been with us for 10 to 15 years. This high tenure ensures consistently high service across all of our projects.


At Gallagher Jeffs we select our project managers with great care, looking not only for formal qualifications but also for individuals with real project experience. The vast majority of our project managers have had careers with large contractors which positions them in a strong position to provide invaluable insight into value engineering process & risk mitigation during construction.


Across our offices in Melbourne, Sydney & Brisbane we are always on the look out for great people to join our project management teams. If you are looking to make your next career move and believe you're a Gallagher Jeffs type of person, send your resume with a covering letter to careers@gj.com.au and be sure to give us a call in the following days just to make sure we got it (02 9230 7700).



The company we keep