O'Sullivan Legal

Sydney CBD family law firm with a focus on men's divorce matters

O'Sullivan Legal is a family law firm based in the Sydney CBD, with a particular focus on representing men through divorce, property settlement and parenting matters. The firm's lawyers work across collaborative divorce, mediation and contested proceedings, aiming to resolve most matters without a courtroom hearing. Where court is unavoidable, they appear as advocates in the Federal Circuit and Family Court. Areas of work include divorce applications, financial settlements, child custody arrangements and consent orders for separating couples in New South Wales.

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Last verified: 26 Apr 2026

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