Key People

MGA logo


The MGA Senior Management Team Collectively Have Over 100 Years Industry Experience, 50 of Which Is With MGA


Sean McGarry Cropped

Sean McGarry

Managing Director

Sean established MGA in 1996. He has over 35 years construction industry experience across all sectors. He has worked for both professional Quantity Surveying practices and construction companies in Australia and overseas. Sean is a qualified commercial arbitrator and considers Contract Management as one of his key strengths.

Contact Sean via email at


Stuart Randall


Stuart joined MGA in 2007. He has worked as a Quantity Surveyor for over 30 years in the construction industry in both the United Kingdom & Australia. His experience includes working for major blue chip clients, major construction companies & localised subcontractors. Stuart considers contract management as one of his key strengths.

Contact Stuart via email at

Gary Wilson - Associate Director

Gary Wilson


Gary joined MGA in 2007 and has nearly 30 years’ experience in the construction industry in both the United Kingdom and Australia across most industry sectors. His experience includes working on site in senior contract management roles and providing estimating support. He considers Estimating and Contract Management to be two of his key strengths.

Contact Gary via email at