Deborah Sim

About Deborah

Deborah graduated with a Law Degree from Monash University and has practised exclusively in Family Law since her admission to practice. She is an Accredited Family Law Specialist with extensive experience across all aspects of Family Law , including complex property settlements, parenting disputes, and international matters.
Deborah regularly acts in property cases involving Companies, Trust structures, and high-value asset pools, as well as matters concerning spousal maintenance and applications to set aside financial agreements. She also assists clients with parenting matters, including , Child Abduction, and Recovery orders.

Deborah understands that the breakdown of a relationship can be one of the most challenging and uncertain times in a person’s life. She is passionate about helping clients navigate this process with empathy, clarity, and confidence. Her advice is comprehensive and realistic, grounded in a deep understanding of both the legal and emotional complexities involved. She communicates with empathy and patience. She tells the client what they need to hear, not always what they want to hear.

Working collaboratively with the team of Specialist Family Lawyers at Pearsons, Deborah brings a wealth of knowledge, skill, and strategic insight to achieve the best possible outcomes for her clients. Some recent decisions that Deborah and her team were involved in are:

1. Fertig & Bosque [2024] FedCFamC1F 634
2. Mittelman & Eilerts [2024] FedCFamC1F 115
3. Armando & Armando (No 2) [2026] FedCFamC1F 368 (3 June 2026)

Areas of practice

Deborah specialises in Anti – Suit injunction cases, complex jurisdictional issues and property cases involving companies, Trust and company/Business valuations. Many of her cases deal with overseas assets.

Outside work

Deborah is always up for meaningful conversation and a bit of adventure. She currently enjoys spending time outdoors going for walks and practising archery and travel.

Professional presentations

• Deborah Sim, together with Brenda Ling and Angel Tai presented at J.G. Accountants and to their clients on the topic of “Family Law in Australia, the bank of Mum and Dad, what is a gift and what is a loan” and financial topics associated with family law.
• Presented to the Australian Asian Business Women’s Association together with Leanne Abela on the topic of “What is a de facto relationship and how to gift funds to your children without losing your money”.