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Mark O'Callaghan
Mark O'Callaghan cover
Mark O'Callaghan

Mark O'Callaghan

Principal M.G. O'Callaghan & Associates

location
Gosford, NSW
Click to Reveal Phone Number02 4321 ..

About Mark

Mark O'Callaghan is the Principal of M G O'Callaghan & Associates, a well-regarded legal practice serving the Central Coast for almost two decades. With an extensive background in the local judicial system, he spent 11 years in Local Courts, holding positions such as Registrar of the Bidura Children's Court and Deputy Registrar of the Gosford District and Local Court. Admitted to the roll of practising lawyers in June 1998, Mark initially honed his legal skills as an employed solicitor at Orchiston Ranzetta Finney for five years. In August 2003, Mark embarked on his journey as a sole practitioner, establishing M G O'Callaghan & Associates. Over the past 24 years, he has acquired a broad spectrum of experience in criminal law, probate and wills, as well as family law. His deep understanding of legal processes, coupled with his practical courtroom experience, enables him to provide comprehensive legal services tailored to the needs of his clients.

Practice Areas

Criminal & Traffic
Estate Planning
Family Law

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Contact Information

Gosford, NSW

LocationSuite 49, 24-26 Watt Street, Gosford, NSW
Click to Reveal Phone Number02 4321 ..
WebsiteView Website

Practice Certificate

Name
Mark O'Callaghan
Date of Admission
1998
Certification type
Principal of a law practice
Class
Law Practice
Region
NSW
CheckLast checked: 17 Apr 2026•
Checked with the Law Society of NSW

Practice Categories

Criminal & Traffic
  • Criminal Law
Estate Planning
  • Probate
  • Wills and Estates
Family Law