Head of Practice – Succession and Future Planning

Hugh Cahill


Hugh Cahill is a specialist in wills, estates and succession planning and brings over 30 years’ legal experience to O’Sullivan Davies.

During his long career, Hugh has received numerous awards and acknowledgements and has been recommended from 2018 to 2022 by The Doyle’s Guide for Western Australia as a Leading Lawyer in Wills, Estates and Succession Planning, and as a Leading Wills and Estate Litigation Lawyer. Further, Hugh was a national finalist for Mentor of the Year in the Lawyer’s Weekly Australian Law Awards 2021.

It’s the direct contact with people and becoming a trusted adviser that drives Hugh. He connects with clients quickly to understand their needs and their family dynamics, whether they are farmers, business owners, high net worth individuals or private people.

Wills, estates and succession planning appeals to Hugh because it covers a wide range of legal areas including superannuation, tax, property and trusts.

Hugh also has significant experience in a large variety of commercial matters and is able to assist his clients in all legal aspects of their lives and businesses.

Hugh is excited about what the Succession and Future Planning division means for existing clients and new clients looking for commercial, estate and succession planning advice and document preparation – O’Sullivan Davies is a firm that can take care of everything for them.

With a dedication to both clients and developing the next generation of lawyers, Hugh lives and breathes his values of giving back, both professionally and in the community.

A Fellow of the Taxation Institute of Australia and member of the Australian Institute of Company Directors, Hugh has sat on numerous boards for school and sporting associations as well as on the Board of Southern Cross Care WA for almost 15 years and was chairman of the Board from 2008 to 2011. Hugh has a particular interest in elder law issues such as retirement villages, residential aged care and the prevention of elder abuse.

Outside of the office, Hugh loves nothing more than spending time with family and his best mate Beau (aka Mr B), his affectionate cavoodle.