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Dan Giantsopoulos

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P: 416-593-2984
F: 416-594-2694
  • Called to the Bar of Ontario, 1997
  • LL.M., Osgoode Hall Law School, 2001
  • LL.B., University of Ottawa, 1995
  • B.A., Commerce & Finance, University of Toronto, 1992
Dan Giantsopoulos Photo ©2021 Blaney McMurtry LLP

Dan has an expansive practice with a multi-faceted focus on corporate and commercial law, as well as estate planning and administration, and domestic tax. Routine tasks which Dan is frequently called upon to complete include negotiating, drafting, or reviewing Share/Asset Purchase and Sales Agreements, Shareholders’ Agreements, Supply Agreements, Distribution Agreements, Consulting and Employment Agreements, and structuring tax driven corporate reorganizations, as well as to advise on shareholder disputes. Dan represents and advises owners and operators and their businesses of various sizes and types, including numerous national and international corporations and organizations, as well as advising individuals contemplating new business ventures. He also aids his clients in establishing new corporations, partnerships, and joint ventures. The relationships he establishes with his clients enable him to determine the specific needs of each individual client to ensure they develop the structure appropriate for most efficiently reaching their business goals. 

Over the years, Dan has represented numerous clients with respect to the purchase and sale of a plethora of businesses, including in the areas of construction, commercial and industrial manufacturing, fibre optics, professional services and consulting, veterinarian and health care services, advertising, engineering, employment and staffing services, information technology, hospitality, and insurance. Dan has assisted his clients in acquiring multiple Canadian consulting/engineering companies, and selling an established telecommunications business. In his commercial work, Dan has negotiated the purchase and sale of a de Havilland DHC-7 aircraft, as well as a Cessna Citation 650 aircraft. Dan is experienced in providing clients with the effective representation and guidance necessary for the purchase of an aircraft.

Dan works not only with Canadian residents, but also counsels and represents a growing number of American public and private companies with respect to establishing and growing their Canadian business operations. Dan is the editor-in-chief of the Blaney McMurtry LLP “Guide to Doing Business in Canada,” which provides an overview of the relevant laws and deliberations one must take into account before establishing or continuing a business in Canada. Through this publication, in addition to his professional counsel, Dan continues to aid both his current (and potential) foreign clients, including his work assisting American businesses in setting up successful Canadian operations. 

The meticulous attention Dan gives to the various considerations of his specific clients ensures a diligent and efficiently managed process from start to finish. As such, individuals and corporations seeking legal counsel are encouraged to retain the services of Dan Giantsopoulos.

  • LL.M., Osgoode Hall Law School, 2001
  • LL.B., University of Ottawa, 1995
  • B.A., Commerce & Finance, University of Toronto, 1992
 Practice Areas  Called to the Bar
  • Called to the Bar of Ontario, 1997


 In the Media  News


  • Law Society of Ontario
  • Ontario Bar Association
  • Osgoode Society


  • Board Member and VP, Ontario Sports Hall of Fame
  • Board Member, York Simcoe Baseball Association
  • Member, Golf Historical Society of Canada
  • President’s Parents Council, Drexel University
  • Fundraising Advisory Committee, Markham Stouffville Hospital Foundation

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