Thea Birss leads Birss Workplace Law as its Managing Director, where her expertise in workplace law has been consistently recognised, notably by Best Lawyers since 2020. Based in Adelaide, she dedicates her practice to advising businesses on managing labour to enhance efficiency and reduce risks in a complex legal environment. With over two decades of experience in Australian commercial law firms, Thea offers strategic employment and safety advice to clients, blending practical solutions with a client-focused approach. Her work includes conducting workplace investigations, dispute resolution, and providing training to empower clients to handle workplace matters proactively. Before founding Birss Workplace Law, Thea was a Partner at Vardon Legal and KHQ Lawyers. Her career also includes significant roles as a Senior Associate at NDA Law, Mellor Olsson, and DW Fox Tucker Lawyers. She is actively involved in the legal community, serving on the Law Society of South Australia’s Industrial Relations Committee, the Equality, Diversity & Inclusion Committee, and the Young Lawyers Support Group. Additionally, she contributes her expertise as a board member of Westside Community Lawyers. Thea is an alumna of Flinders University, holding a Bachelor's Degree in Law.
Managing Director
Birss Workplace Law
Jun 2024 - Present • 2 years 4 months
Partner
Vardon Legal
Dec 2020 - Jun 2024 • 3 years 6 months
Partner
KHQ Lawyers
Nov 2020 - Dec 2020 • 1 month
Senior Associate
NDA Law Pty Ltd
Nov 2018 - Nov 2020 • 2 years
Senior Associate
Mellor Olsson
Jul 2015 - Oct 2018 • 3 years 3 months
Senior Associate
DW Fox Tucker Lawyers
Oct 2014 - Jun 2015 • 8 months
Senior Associate
Fox Tucker Lawyers
Jan 2008 - Oct 2014 • 6 years 9 months
Bachelor's Degree, Law
Flinders University
Last checked: 9 Mar 2026 • Checked with The Law Society of South Australia
