
Rebecca Mostyn stands as a pivotal figure in the Illawarra legal community, bringing with her more than 14 years of comprehensive legal expertise. After honing her skills at leading local firms, Rebecca founded Mostyn Legal to offer clients a uniquely personalised and approachable legal service. She specialises in Wills & Estates, where her acumen covers complex estate planning, contested matters, testamentary trusts, enduring guardianships, and probate, alongside a strong focus on dispute resolution. Rebecca’s legal prowess is further bolstered by a Master of Applied Law with a focus on Wills & Estates. Her experience extends into Commercial Law, addressing business sales, partnership agreements, debt recovery, and insolvency matters, while her proficiency in Property Law & Conveyancing ensures clients are well-supported in both straightforward and complex transactions, including leasing and property agreements. Rebecca’s collaborative ethos results in synergistic working relationships with accountants and financial advisors, ensuring that clients receive holistic and tailored legal advice. Rebecca’s prior roles as a Senior Associate at Coutts Lawyers and Conveyancers, as well as at Foye Legal, underscore her capability in delivering high-quality legal services. Her tenure as a Legal Services Trainer and Assessor at both Australian Careers Business College and UOW College reflects her commitment to the legal profession. Rebecca holds a Master of Laws majoring in Wills and Estates from the College of Law Australia and a Bachelor’s Degree in Law from Western Sydney University. Her dedication and breadth of experience make her a trusted advisor for clients seeking expert legal guidance.

Principal Lawyer/Director
Mostyn Legal
May 2023 - Present • 3 years 6 months

Senior Associate
Coutts Lawyers and Conveyancers
May 2021 - Apr 2023 • 1 year 11 months

Senior Associate
Foye Legal
Mar 2020 - May 2021 • 1 year 2 months

Legal Services Trainer and Assessor
UOW College
Jun 2017 - Dec 2018 • 1 year 6 months

Legal Services Trainer and Assessor
Australian Careers Business College
Feb 2015 - Mar 2020 • 5 years 1 month
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Paralegal / Lawyer
Good Legal Lawyers
Jul 2011 - Dec 2019 • 8 years 5 months

Master of Laws - LLM, (Applied Law) Majoring in Wills and Estates
The College of Law Australia
2018 - 2019

Graduate Diploma of Legal Practice, Law
The College of Law Australia
2015 - 2016

Bachelor’s Degree, Bachelor of Laws
Western Sydney University
2012 - 2016

Diploma of Legal Services, Law
Australian Careers Business College
2011
Last checked: 15 Apr 2026 • Checked with Law Society of NSW