Thea Birss


Thea leads our employment and safety law practice. She equips organisations to strategically engage and manage their people.

With nearly two decades of experience in both national and local firms, Thea’s expertise spans the full range of employment and safety matters including:

  • performance and change management
  • disciplinary investigations
  • employment and contractor agreements
  • workplace policies
  • enterprise bargaining and workplace strategy
  • protection of intellectual property
  • WHS advice and incident management
  • workers compensation
  • workplace surveillance and privacy
  • compliance training and auditing; and
  • employment litigation (including adverse action, unfair dismissal, bullying, anti-discrimination matters and restraints of trade).

Thea has experience working with corporate, government and SME clients from a diverse range of industries. She has assisted clients in both the State and Federal courts, the Fair Work Commission, the Australian Human Rights Commission and the South Australian Employment Tribunal.

Thea specialises in proactive risk management and partners with clients to maximise workplace productivity.


Thea has been selected by her peers for inclusion in the Edition of The Best Lawyers in Australia for her work in Labour and Employment Law since 2020.

Latest News & Insights

Casual Relationships Are Not What They Used To Be

Posted on BY Thea Birss

Most of the government’s industrial relations reform agenda didn’t get through Parliament in March.  But the provisions of the Fair Work Amendment (Supporting Australia’s Jobs and Economic Recovery) Act 2021 relating to casual workers did.  Amendments to the Fair Work Act that affect the way we engage casual workers in Australia became law on 27 […]

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COVID-19 and mandatory vaccinations for employees

Posted on BY Thea Birss

With COVID-19 vaccines due to be rolled out next month, what should business owners do when the inevitable happens, and some Australians elect not to receive the jab? Bodily integrity is a basic human right. We all understand that applying force to a person without their consent is against the law. We can’t literally force […]

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Management of staff during South Australia’s lockdown

Posted on BY Thea Birss

Sadly, many Australian businesses now have experience in standing down staff as a result of the COVID-19 pandemic.  But stand down rules have changed over the course of the pandemic.  We now find ourselves falling into one of three categories of employer: Businesses that never qualified for JobKeeper; Businesses that still qualify for JobKeeper; and […]

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