Margaret is the Managing Partner of O’Sullivan Estate Lawyers LLP, the trust and estate boutique firm she founded in 1998. She focuses on trust and estate advice for domestic and international private clients, including estate planning; estate litigation; and administration of estates and trusts, with a focus on high net worth domestic, cross border and multijurisdictional succession issues. Margaret is one of the top-ranked Band 1 private client lawyers in Canada in Chambers High Net Worth Guide 2021. Margaret is a prolific speaker and writer including the Canada chapter for each of International Succession Laws, The Private Wealth and Private Client Review, Mondaq Comparative Guide to Private Client and Practical Law Private Client Global Guide.
