Louise Ruth Summerhill

A creative thinker and natural problem solver, Louise continuously looks for new ways to approach and resolve her clients’ tax issues. Her technical expertise and knowledge of her clients’ businesses leads to solutions others may not see. When she takes matters to court, her strong advocacy skills are evident in her straightforward yet detailed presentation of the facts.

Louise is a member of the firm's Tax Group, Co-Leader of the Tax Controversy/Tax Litigation Group, and member of the Charities & Not-for-Profits Group. She practises almost exclusively in the area of tax litigation. She provides support and advocacy at the audit stage, through the objection procedure and in court if necessary. Louise also has extensive experience advising clients on transfer pricing, goods and services tax, provincial tax and federal income tax and charity law issues.

She has appeared in the Tax Court of Canada, the Federal Court of Appeal, the Ontario Superior Court and the Ontario Court of Appeal. Louise was formerly the Chair of the Student Committee for the firm and Co-Chair of the firm's Women's Initiative.

Presenter, “Audit to Appeal – Navigating the Tax Litigation Process,” AJAG, September 27, 2019.

Presenter, “What’s New at CRA/Real Estate Transactions,” Professional Accountants PD Network, February 5, 2019.

Presenter, "CRA Bag of Tricks: An Update on Audit Initiatives, Voluntary Disclosures and Recent Case Law," AJAG Seminar, October 27, 2017.