Estate and Will Planning, Estate Litigation, and Trust and Estate Administration

Since 1983, Margaret O'Sullivan has worked with individuals and families in Ontario, across Canada and globally. The lawyers of O'Sullivan Estate Lawyers LLP bring experience, knowledge and diligence to your complex estate and will planning and probate legal needs.

Ms. O'Sullivan is recognized both nationally and internationally for her expertise in the areas of estate planning, will and trust planning, incapacity planning and estate litigation. She is listed as one of the six leading private client lawyers in Canada by Chambers Canada 2017 Guide and one of the six top-ranked private wealth lawyers in Canada by Chambers Canada High Net Worth 2016 Guide. The 2017 Best Lawyers in Canada, the 2016 Edition of The Canadian Legal Lexpert Directory, The Who's Who Legal: Private Client 2016 and The Who's Who Legal: Canada 2016 all list her as a leading lawyer in estate planning. Ms. O'Sullivan is the recipient of the 2014 STEP Founder's Award for Outstanding Achievement and the Ontario Bar Association's 2013 Award of Excellence in Trusts and Estates Law.

Also practicing at O'Sullivan Estate Lawyers LLP is Susannah B. Roth. Ms. Roth has practiced trust and estate law since being called to the bar in 2002, is a past chair of the Executive Committee of the Trusts and Estates Section of the Ontario Bar Association, and has written and lectured in various subject areas in trust and estate law.

Our trust and estate team includes law clerk Joanne Field having extensive experience in trust and estate practice.

O'Sullivan Estate Lawyers LLP has been named one of Canada's Top 5 Trusts and Estates Law Boutiques by Canadian Lawyer.

Our firm focuses on providing solutions to clients with wills, trusts and estates needs, including individuals and families with property in multiple jurisdictions. To learn about how we can provide solutions to reduce fees, taxes and other expenses related to your estate, contact us.