Casey Isaacs is a distinguished partner and criminal defence lawyer with over two decades of dedicated experience in criminal law. His consistent recognition in Doyle's Guide as a Leading South Australian Criminal Defence Lawyer highlights his expertise and esteemed standing within the legal profession, endorsed by his peers. Casey is sought after by clients facing legal issues with significant personal, professional, and reputational implications. His clientele includes elite athletes, senior executives, company directors, and other high-profile individuals who trust Casey for his discretion, strategic judgement, and vast courtroom experience. Additionally, he serves as counsel assisting the SANFL Tribunal in disciplinary matters. Regularly appearing in the Magistrates, District, and Supreme Courts of South Australia, as well as higher jurisdictions like the Court of Appeal and the High Court of Australia, Casey has managed some of the state’s most serious criminal cases. His portfolio includes major drug trafficking, fraud, firearms offences, sexual offences, homicide, and critical criminal appeals, including multiple Supreme Court murder trials leading to notable acquittals. Casey is adept at conducting jury and judge-alone trials, contested hearings, sentencing, bail applications, and appeals. His involvement in significant appellate litigation includes cases that have reached the High Court of Australia, such as the pivotal Brawn decision in 2024. Practising in both State and Commonwealth prosecutions, Casey has represented clients across Australia and has engaged in international criminal matters, directly liaising with U.S. District Attorneys and the Department of Justice on extradition issues. He also actively participates in regulatory and investigative matters involving bodies like ASIC, ICAC, and ACIC. A particular area of expertise is criminal assets confiscation, where Casey is known for his strategic mastery of the Criminal Assets Confiscation Act and consistently securing favourable outcomes for his clients. His approach to legal matters is direct and pragmatic, with a focus on delivering the best possible results efficiently and effectively. Casey's clients appreciate his clarity, preparedness, and strategic insight, particularly when critical issues such as liberty, property, and reputation are involved. Casey currently serves as President of the ANZAPPL (SA Branch) and has been a partner at Caldicott + Isaacs Lawyers since 2021. Previously, he was a partner at Caldicott Lawyers and held roles as a senior associate, practising in areas including criminal defence, civil litigation, and property law. He holds a Bachelor of Laws from Flinders University, complemented by his early education at Pulteney Grammar.
President
ANZAPPL (SA Branch)
Jan 2022 - Present • 4 years 10 months
Partner
Caldicott + Isaacs Lawyers
Oct 2021 - Present • 5 years 1 month
Partner
Caldicott Lawyers
Oct 2012 - Oct 2021 • 9 years
Senior Associate
Caldicott & Co
Nov 2001 - Sep 2012 • 10 years 10 months
Bachelor of Laws (LLB), Psychology
Flinders University
1997 - 2003
Pulteney Grammar
1989 - 1996
Leading South Australian Criminal Defence Lawyer (Doyle’s Guide)
Doyle’s Guide
Crime First Tier 2025
Crime Leading 2025
Traffic Recommended 2025
Last checked: 5 Sept 2026 • Checked with Law Society of South Australia
