Cassels Brock & Blackwell LLP is a major Toronto business law firm with a well-established municipal, planning, and environmental practice. Located at Bay Adelaide Centre, North Tower, 40 Temperance Street, Suite 3200, the group is co-chaired by Signe Leisk, who specializes in development approvals, site plan applications, and re-zoning matters in Toronto and the GTA. The firm is recognized by Chambers Canada for its development approvals work and regularly advises developers and landowners before the Ontario Land Tribunal, the City of Toronto Committee of Adjustment, and municipal councils. Cassels’ municipal team also includes Melissa Winch, who assists clients with complex planning and re-zoning approvals for residential, commercial, and mixed-use development projects across Ontario.