Brian O’Shea

Special Counsel
Litigation and Dispute Resolution

In my quest to find an organisation that delivers the right message to its employees and clients, I have been fortunate to find in AJ & Co, a firm that truly upholds the values of professionalism, leadership, integrity, quality and passion.

With such values aligning with mine, I can confidently service clients with the highest standards possible

With extensive experience in Government and Regulatory law, Brian’s career has resulted in him providing advice and representation to numerous Government agencies and corporate clients as well as SME’s and high net worth individuals with particular interest in property disputes, building and construction, planning and environment, corporate advisory and employment law.

Brian has successfully represented clients in various jurisdictions including the High Court of Australia, Federal Court, Federal Circuit Court, Court of Appeal, Supreme, District and Magistrates Court, Local Courts, as well as various administrative and state tribunals.

He is also an experienced lawyer in class actions.

With a dedication to offering clients optimal support during challenging legal scenarios, Brian is driven by a commitment to promptly resolve complex issues or preventing them altogether. He achieves excellence by delivering comprehensive legal skills through direct and effective communication throughout his interactions.


In the world of business and commerce, clients want those working for them to have strong and tested judgment which means having someone who can make effective, productive decisions aligned with business objectives while taking into consideration multiple inputs and potential impacts, not to mention legal and ethical ramifications.

The highly skilled and experienced lawyers at AJ & Co are used to dealing hands-on with complicated matters such as compliance, litigation and business processes. They rapidly tune into clients’ needs and find solutions. The lawyers are dynamic and driven to succeed.

Working with AJ & Co guarantees success all around, instilling confidence.


  • Class actions
  • Commercial litigation
  • Government
  • Regulatory Law
  • Employment & Industrial


Recent transactions of note include:

  • State Government: Multi-million dollar claim for damages for tort of unlawful interference of a contract;
  • State Government Department: Providing broadscale advice covering a range of legal issues including constitutional, administrative and contract law issues for the proposed Mary River Dam;
  • State Government Department: Coronial inquest leading to discovery of major drug trafficking throughout prison system;
  • State Government Department: Environmental prosecution against large Australian chemical manufacturing company for contaminating water;
  • State Government Department: Environmental prosecution against company stockpiling waste causing fire and damage;
  • Local Councils: Acting for Local Councils in General Protection claims brought in the Queensland Industrial Relations Court;
  • Local Councils: Undertaking workplace investigations for Local Councils;
  • Class action for employees of international security company for misleading and deceptive conduct in relation to employment contract;
  • Class action for creditors of a national building company for equitable fraud against a bank;
  • Class action for investors in a scheme against a Commonwealth Regulatory authority;
  • Wealth Management Company: Claiming damages against accountant for negligence in issuing sophisticated Investor Certificate to an individual in circumstances where individual did not meet relevant criteria;
  • Major Property Development Company: Claim for damages against former employee for misappropriating monies and corporate espionage; and
  • Leading Electrical Solutions Provider: Trademark dispute involving multi million claim for damages against foreign competitor in the Federal Court of Australia.