Ben O’Sullivan
Ben O’Sullivan cover
Ben O’Sullivan

Ben O’Sullivan

Lawyer Director O'Sullivan Legal

location
Sydney, NSW
Click to Reveal Phone Number(02) 811..
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About Ben

Ben O’Sullivan is the Director at O’Sullivan Legal, bringing extensive experience in family and criminal law. He holds a Masters of Applied Family Law and is currently advancing his expertise through a Master of Laws in Criminal Practice at Wollongong University. Ben combines a strong academic background with practical experience, having completed his undergraduate studies at the University of New South Wales, earning a Bachelor of Commerce with a major in Finance alongside a Bachelor of Laws. Before founding O’Sullivan Legal, Ben worked at a prominent family law practice in Sydney, representing clients in property settlements and children’s matters, as well as cases within the child-care and protection jurisdiction in New South Wales. His time practicing criminal defence has broadened his perspective and skills, complementing his family law work. Ben’s approach to legal matters is detailed and analytical, strengthened by his hands-on experience managing a retail business. This unique background gives him valuable insights into the complexities of asset structures, including corporate entities, trusts, and business arrangements. He is also trained in collaborative law, which supports his ability to engage clients with sensitivity and understanding. A passionate advocate, Ben is recognised for his effective communication skills and his appreciation of the emotional and practical challenges faced by those involved in family law proceedings. His commitment to pursuing just outcomes for his clients has been highlighted in the media, including a feature in the Sydney Morning Herald discussing financial disputes in family law contexts.

Practice Areas

Criminal & Traffic
Family Law

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Resume

Experience

Director
Director
O'Sullivan Legal
Dec 2013 - Present · 11 years 8 months
Family Law Solicitor
Family Law Solicitor
Pryor Tzannes & Wallis | Sydney law firm
Dec 2011 - Dec 2013 · 2 years
Family Law Solicitor
Family Law Solicitor
Armstrong Legal
Dec 2011 - Dec 2011 · 0 months
Director
Director
Nourish Health Foods
Dec 2008 - Present · 16 years 8 months
Director
Director
O'Sullivan Health Foods
Dec 1993 - Dec 2009 · 16 years

Education

Master of Laws (LL.M.) Criminal Practice, Criminal law and justice
Master of Laws (LL.M.) Criminal Practice, Criminal law and justice
University of Wollongong
2013 - 2015
Graduate Diploma Legal Practice
Graduate Diploma Legal Practice
The College of Law Australia
2010 - 2012
Masters of Law, Applied Family Law
Masters of Law, Applied Family Law
The College of Law Australia
2010 - 2012
Bachelor of Laws (LLB)
Bachelor of Laws (LLB)
UNSW
1987 - 1994
Bachelor of Commerce (BCom), Finance
Bachelor of Commerce (BCom), Finance
UNSW
1987 - 1994

Contact Information

Sydney, NSW

Location491 Kent Street, Sydney, NSW
Click to Reveal Phone Number(02) 811..

Practice Certificate

Name
Benjamin David O'Sullivan
Date of Admission
2012
Certification type
Principal of a law practice
Class
Law Practice
Region
CITY OF SYDNEY
CheckLast checked: 10 Aug 2025
Checked with the The Law Society of NSW

Practice Categories

Criminal & Traffic
  • Criminal Law
Family Law