Guillaume François Larouche

Lawyer - Montréal

Québec Bar 2020
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Guillaume François Larouche practices mainly in public business law and business law for Langlois Lawyers in Montréal. He is a member of the firm’s France-Canada practice group.

Guillaume François began his career as a political advisor for the Minister of International Relations and Francophonie in Quebec, as head of the France, Europe, Africa and Middle East regions and as a speechwriter. In this capacity, he collaborated in the development of several international projects and participated in diplomatic missions in Europe and Africa.

During his studies, he represented the Université Laval team at the 2018 Laskin Moot Court Competition in public and administrative law, for which his team won third place. He also worked as a research assistant for an international law professor at Université Laval. He holds a bachelor’s degree in civil law from Université Laval and an advanced certificate in French and European law from Université Paris II Panthéon-Assas.

Guillaume François is also actively involved in his community. He has served on the board of directors for the Québec Section of the French Chamber of Commerce and Industry in Canada, the Québec Section of the Canadian International Council, Université Laval, and the Société de développement commercial de l’avenue Maguire.

Guillaume François has a keen interest in government relations as well as in media and public relations for the projects with which he is involved. He practices law in French and English.


Master of Laws, LL.M., Concentration International Trade and Foreign Investment, University of Ottawa, 2022

Advanced Certificate in French and European Law (with distinction), Université Paris II Panthéon-Assas, 2017

Bachelor of Law, LL.B. (International profile), Université Laval, 2018

Rankings & Recognitions

Laskin Moot Court Competition − Third place as a team, 2018

Scholarship for leadership and sustainable development from Université Laval, 2015-2018

Scholarship to study abroad from the International Office of Université Laval, 2016-2017

Lieutenant Governor of Quebec’s Youth Medal, 2015

Scholarship for performance, perseverance and commitment from Fondation du Cégep de Sainte-Foy, 2015



Other Publications


2021 – “Les obligations professionnelles et déontologiques à l’ère de la COVID-19 : quelle liberté d’expression pour les professionnels?” (Professional duties and ethics in the age of COVID-19 : Professionals’ freedom of expression), Québec Interprofessional Council (CIQ), co-authored with Christiane Brizard and Victoria Lemieux-Brown, May 25, 2021.

2020 – “Governance: a pathway to recovery”, Canadian Lawyer InHouse Magazine, co-authored with Christiane Brizard and Danielle Ferron, November 2020.

2020 – “La polarisation favorise la concentration de forces politiques en marge des institutions américaines” [Political forces outside American institutions promoted by bias], co-written with Pierre Betelaud, Le Monde, November 3, 2020.

2020 – “L’avocat et les médias” (The lawyer and the media), co-authored with Victoria Lemieux-Brown and  Élisabeth Lachance, Proforma, Jeune Barreau de Québec, June 2020.

2020 – “La perte de contrôle du promoteur immobilier envers le syndicat de copropriété” (Developers’ loss of control over the syndicate of co-owners (condominium association), Copropriété Plus magazine, Spring 2020.

2020 – “L’assurance des copropriétés divises : principaux changements au Code civil du Québec” (Insurance of divided co-ownerships: main changes to the Civil Code of Quebec), Copropriété Plus magazine, Winter 2020.


2020 – Interview “Guillaume François Larouche – L’AECG 3 ans après sa mise en œuvre”, Légalement parlant, Le Podcast, Episode 5, BaladoQuébec, October 12, 2020 [in French].


Langlois Knowledge

External Conferences


2022 − “International Economic Law and Peremptory Norms. The Norm Against Corruption, a Manifestation of a (Quasi) Jus Cogens?”, Edinburgh Postgraduate Law Conference (EPLC), Edinburgh (Scotland).

2022 −“Adapting the WTO Legal Paradigm on ‘Like’ Products to Include Environmental Considerations: Towards a Green World Trade Organization”, 15th Annual McGill Law Graduate Conference, Montréal, May 5, 2022.

2020 − “Doing Business in Quebec, Opening a door into North America : The Law in Quebec and the Business Lawyer’s Role”, conference presented to French companies seeking to Establish Themselves in Canada, with William D. Hart, National Bank Financial, Montréal.


2020-2021 – Member of the board of directors, Canadian International Council, Québec Section

2020-2021 – Member of the board of directors, French Chamber of Commerce and Industry in Canada (CCIFC) – Québec Section

2017-2018 − Member of the board of directors, Université Laval 

2017-2018 − Member of the board of directors, Coopérative Zone

2017-2019 − Member of the board of directors, Société de développement commercial Maguire (SDC Maguire)

2017-2018 − Director for Confédération des Associations d’étudiants et étudiantes de l’Université Laval (CADEUL)

2015-2016 – President of the board of directors, Corporation des médias étudiants de l’Université Laval (CoMÉUL)

Professional Associations

Since 2020 – Member of the Canadian International Council, Québec Section

Jeune Barreau de Québec

Canadian Bar Association, Québec Division

Since 2019 − Member of the French Chamber of Commerce and Industry in Canada (CCIFC)

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