Tax Law

Our Tax Law Group is the largest in Niagara.

Strategies to support your personal and business objectives.

Sullivan Mahoney LLP’s tax lawyers are leaders in the practice providing timely, creative and practical advice regarding a broad range of tax issues. They are routinely referred by the region’s top accounting firms and wealth managers, and work with a large number of the region’s small, medium and large corporate entities and their principals.

Our tax lawyers are known for their expertise in carrying out complex corporate transactions and tax reorganizations, assisting growing businesses with developing tax issues, and working with individuals who have complicated tax and estate planning needs.


  • corporate tax planning
  • individual tax planning
  • trusts and estate planning
  • voluntary disclosure
  • corporate transactions and reorganizations

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