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  • Barreau du Québec, 2018
  • Université de Montréal (LL.B.), 2017
  • McGill University (Graduate Diploma in Management, Treasury and Finance), 2009
  • McMaster University (B.A.), 1999
  • Association du Jeune Barreau de Montréal (AJBM)
  • JA Québec

Sofia Marques Da Costa
+1-514-842-8891 extension 8293


English, French

Me Guylaine DeBlois practises in commercial and real estate law. Her areas of expertise are mergers and acquisitions, corporate financings, real estate transactions, and corporate reorganizations.

She advises mainly small and medium-sized businesses and her clientele particularly appreciates her for her thoroughness and her efficiency.

Me DeBlois is also involved in her community as volunteer for JA Québec where she promotes financial literacy and entrepreneurship to the youth.

In addition to her law degree, Me DeBlois also holds a bachelor’s degree in political philosophy from McMaster University and a graduate degree in treasury and finance from McGill University.

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