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Guillaume Lapierre

Guillaume Lapierre

Lawyer, Partner and Manager of our Montréal office

Bar Admission 2014

Bachelor of Law Degree from Université Laval (LL.B.)
Masters in Business Law from Université de Montréal (LL.M.)

Contact Guillaume Lapierre

A business lawyer and managing partner of our Montreal office, Guillaume has, since the beginning of his practice, accompanied and advised a vast clientele of small and medium-sized entrepreneurs from different sectors of activity regarding various facets of business law. Whether it is to implement commercial projects or assist businesses, their officers and shareholders, clients call upon Guillaume to draft, review and negotiate of a wide range of legal documents related to commercial transactions. Driven by the entrepreneurial spirit of his clients, Guillaume has, over the course of past mandates, acquired significant experience in franchising and business transfers, in addition to developing a consulting approach focused on the business needs of his clients.

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Since the beginning of his career, he has been attentive to his clients’ needs and motivated to provide them with the best tools and advice to ensure they limit their liability and structure their activities in an optimal manner.

In addition to his legal practice, Guillaume teaches business law, contract law, real estate law and legal drafting at the university level and at the École du Barreau du Québec. He also gives conferences on occasion. Concerned about the importance of supporting the next generation of lawyers in his community, he is involved in the process of integrating and mentoring the firm’s talents. Actively involved in his community and the Montreal business community, he currently sits as president, director and member of several boards and committees. Guillaume also frequently writes articles in business law for various forums.

We appreciate Guillaume’s efficiency, rigour and versatility. An accomplished sportsman, Guillaume is a team player who knows how to complete his mandates and build lasting relationships with his clients and the many business partners with whom he works. 

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  • Services

    • Business Consultancy
    • Business Law
    • Business Start-Ups
    • Business Succession Planning
    • Commercial Contracts
    • Commercial Law
    • Corporate Compliance
    • Corporate Law
    • Corporate Reorganization
    • Distribution Agreements
    • Franchise Agreements
    • Franchise Law
    • License
    • Mergers and Acquisitions
    • Real Estate Law
    • Shareholder Agreements
  • Professional mandates

    Speaker

    Author of multiple articles and publications on business law
    Lecturer in business and corporate law at the Université du Québec à Montréal, the ESG-UQAM, the École du Barreau du Québec and also at the master's degree program of the Université de Montréal.

    Participation : 

    • in countless business transfers and acquisitions, including purchase and sale of assets or shares, family succession planning and even asset acquisitions by court order;
    • in large-scale corporate reorganizations, start-up of numerous businesses, including technology start-ups now doing business around the world, and negotiations of complex shareholders agreements;
    • in the establishment of several franchise networks, more particularly in the fields of professional, medical and aesthetic services, retail sales and fast food restaurants;
    • in the marketing of many products and services in the retail, fashion and ready-to-wear sectors, in the Quebec cultural scene and in social economy businesses;
    • in cases involving shareholders or investors in venture capital financings;
    • in the strategic planning of numerous companies and in the accompaniment of senior management and boards of directors in various business endeavours.
  • Publications and conferences

    Publications

    • Guillaume LAPIERRE, “Les entreprises et les sociétés” in Collection de droit de l’École du Barreau du Québec, Entreprises et sociétés, collection de droit 2023-2024, vol. 10, Title I, Montréal, éditions Yvon Blais, 2025.
    • Recueil de législation en droit des affaires, cowritten with Marie-Odile LAMAUTE, 12th edition, 2024-2025.
    • La publicité légale des entreprises, Jurisclasseur Droit des sociétés, Fasc. n° 3, LexisNexis, 2024.
    • Commentaire sur la décision 9145-5055 Québec inc. (Restaurant Au Vieux Duluth LaSalle) c. Restaurants Au Vieux Duluth inc. — Important rappel des principes contractuels devant régir une relation commerciale en franchisage, in Repères, Mai 2021, La référence Yvon Blais, EYB2021REP3277.
    • Commentaire sur la décision Fondaction c. Poutres Lamellées Leclerc inc. — Quand l’appropriation illégale d’actions, le congédiement illégal et l’abus de droit décident de se conjuguer, in Repères, August 2020, La référence Yvon Blais, EYB2020REP3129.
    • Commentaire sur la décision Mazars Harel Drouin c. Plourde — Inexécution d’un engagement de non-sollicitation de clientèle inclus dans un contrat de société, in Repères, January 2020, La référence Yvon Blais, EYB2020REP2908.
    • Commentaire sur la décision Sopropharm c. Groupe Jean-Coutu (PJC) inc. — Action collective relative à la légalité des redevances versées par un pharmacien franchisé à son franchiseur, in Repères, February 2019, La référence Yvon Blais, EYB2019REP2666.
    • Commentaire sur la décision Mennillo c. Intramodal inc. — L’inobservation des formalités requises en vertu de la Loi canadienne sur les sociétés par actions et le recours pour abus, in Repères, February 2017, La référence Yvon Blais, EYB2017REP2127.
    • Commentaire de la décision Fiducie Guzelbahce c. Lapointe — lorsque la loyauté et la bonne gouvernance d’entreprise auraient pu éviter un important conflit entre actionnaires, in Repères, July 2016, La référence Yvon Blais, EYB2016REP2009.
    • Commentaire de la décision Langlois c. Langlois — Quand un conflit familial met en jeu la pérennité d’une entreprise familiale, in Repères, February 2016, La référence Yvon Blais, EYB2016REP1866.
    • Commentaire sur la décision Premier Tech ltée c. Dollo – Les régimes d’options d’achat d’actions dans un contexte de congédiement d’un employé, in Repères, October 2015, La référence Yvon Blais, EYB2015REP179.
    • L’importance de la vérification diligente en matière de droit de la franchise et des groupements, in Repères, August 2014, La référence Yvon Blais, EYB2014REP1568.

    Conferences

    • "Votre entreprise à l’approche de l’année 2024 — Enjeux, conformité, croissance et diversification," conference given with Me Mélissa Pelletier and Clémence Therrien during the Rendez-vous TCJ en droit des affaires, 2023.
    • Lois et transactions légales et fiscales qui préoccupent les entrepreneurs, 2023.
    • Les répercussions de la Loi 25 en droit des affaires », conference given with Me Mélissa Pelletier, during the Colloque annuel du Barreau du Québec aux développements récents en droit des affaires, 2022
    • Développements récents en droit de la franchise, conference presented to members of the Bar of Laval, 2021.
    • "Modifications à la Loi sur la publicité légale des entreprises — la transparence corporative au cœur des priorités", 2020.
    • Comment minimiser l’impact de la COVID-19 sur vos contrats commerciaux?, conference presented in collaboration with Montréal Inc., 2020.
    • Aspects juridiques incontournables en startup, conference presented to the l’École des sciences de la gestion de l’UQAM, 2017 to 2021.
    • L’investissement immobilier — seminar given to future real estate investors members of a private investment club in Montréal, 2017.
    • Devenir franchiseur au Québec — conference presented to future franchisors during the Salon Expo Franchise in Montréal, 2014, 2015, 2016 and 2017.
    • Les aspects juridiques de la franchise — conference presented to future franchisees during the Salon Expo Franchise in Montréal, 2015, 2016 and 2017.
    • Choisir, acheter, financer et opérer votre franchise — conference presented to future franchisees during the Salon national de la franchise et des occasions d’affaires in Montréal and Québec, 2014, 2015.
  • Social Involvement

    Recognizing the importance of giving back to the community. He has been involved for several years on various boards and committees to support causes and projects that are dear to me, whether in the academic, business, not-for-profit or in the cultural sector.

Events

Contact Guillaume Lapierre