Mark Williamson is a leading commercial and projects lawyer with market leading experience in procurement, construction, and regulation (including trade practices laws). He has over 20 years' experience advising both local and international clients in a range of sectors including local government, FMCG, insurance and life sciences.

Mark is ranked as a Leading Individual for both Real Estate & Construction and Competition Law in Legal 500’s 2020 rankings. Legal 500 quoted sources as describing Mark as "very easy to deal with and provides practical and effective advice".