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Deloitte Tax Law LLP is a national law firm. Our team of tax lawyers has extensive experience in the areas of tax controversy and tax litigation, and in advising on the legal aspects of all tax issues and transactions.​​​​​​


  • ​The Firm

  • National law firm affiliated with Deloitte LLP.


    Experienced tax litigators, with a speciality in managing large audits, addressing tax authority information requests and positioning taxpayers for litigation.


    Litigation and dispute resolution experience in all subject matters, at all levels of court.


    2017-2018 Top 5 Seal.jpg 


    Deloitte Tax Law LLP has been named as one of Canada's top 5 tax boutiques by Canadian Lawyer Magazine.











  • ​Key Contact​​s

  • ​Montreal


    Olivier Fournier, Canadian Legal Leader



    David Muha, National Leader – Tax Controversy & Litigation




    Joyce Lee, Q.C., Partner


  • Announcements

  • Deloitte Tax Law welcomes Kevin Chan to the firm. 


    Kevin recently completed his articles and has now joined the firm as a first year associate. 


    Upcoming Events

    Wednesday September 19, 2018

    Daniel L. Kiselbach, of Deloitte Tax Law and Katrina Robson of Deloitte will discuss Thriving In An Era Of Disruption: NAFTA, Carbon Tax and US Tax Trends.  

    Petroleum Accountants Society of Canada’s Annual Conference.  

    The Petroleum Club in Calgary, Alberta

    Saturday October 20, 2018
    Daniel Kiselbach will be participating in a panel discussion on
    NAFTA, Trade Measures and Coping Strategies
    WESSCON 2018

    Past Events