O’Sullivan Estate Lawyers is a boutique Toronto firm that focuses solely on trust and estate matters. With over 25 years of experience, the practice provides highly personalized services in estate planning, administration, cross-border succession (Canada–U.S.), complex trust and tax planning, family business succession, situs wills, and modern family structures. Clients include high-net-worth individuals, U.S. connections, and those seeking modern-family estate structuring. Their deeply customized and high-touch approach ensures clarity and security for clients’ legacies.

Derfel Estate Law is a Toronto litigation firm specializing exclusively in estate disputes, including wills, POA conflicts, trust claims, executor removal, and passing of accounts. They focus on tailored, empathetic guidance during high-emotion matters, providing transparent communication and strategic counsel from pre-litigation mediation through court proceedings. Ideal for clients seeking clarity and resolution through litigation or early dispute intervention.