Britta concentrates her practice in all areas of domestic and complex cross-border trust and estate matters, including planning for high-end estates, estate and trust administration, and the preparation of wills, trust agreements, and other estate planning documents. Britta regularly counsels individuals regarding a variety of cross-border issues, including U.S. tax planning for foreign spouses, U.S. beneficiaries of Canadian estates, and Canadians with U.S.-situs assets. She also advises on the U.S. tax implications of Canadian family-owned business estate plans. Britta counsels both individuals and entities regarding U.S. tax compliance, estate planning for U.S. citizens living abroad, tax advice and structuring for foreign nationals acquiring U.S. assets, and estate and trust dispute proceedings.

Britta exclusively practices U.S. law and is admitted to practice in New York. 


Boston College, B.A.

University at Buffalo School of Law, J.D., cum laude


  • New York


  • Leadership Buffalo, Class of 2019
  • Buffalo Business First 40 Under Forty honoree, 2015
  • Listed, Upstate New York Super Lawyers Rising Stars, 2014 and 2015
  • Buffalo Niagara 360 Spotlight Professional, 2013
  • Former managing editor, Buffalo Law Review

News & Insights


  • Member, Goodwill Industries of Western New York board of trustees
  • Member, WNED board of directors
  • Volunteer, Olmsted Parks Conservancy
  • Volunteer, Darwin D. Martin House
  • Former member, CMH Counseling board of directors


  • Estate Analysts of Western New York
  • Surrogate's Court Practice & Procedure Committee
  • Surrogate's Court Liaison Committee
  • New York State Bar Association
  • Bar Association of Erie County
  • Ontario Bar Association
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Britta L. McKenna / News & Insights