
Guillaume Daigneault
Lawyer, Partner

Since the beginning of his career, Guillaume Daigneault has practised mainly in construction law, accumulating a wealth of experience in all areas of this field.
He has been practising at Cain Lamarre’s Sherbrooke office since 2017, where he puts his cutting-edge expertise and practical, detail-oriented approach to work for a diverse client base made up of general contractors, specialized contractors and equipment suppliers. Mr. Daigneault regularly appears before various courts including the Court of Appeal, the Superior Court, the Court of Québec and administrative tribunals. He also specializes in the statutory rules governing the construction industry. He has overseen a number of cases related to the contractor licensing system managed by the Régie du bâtiment du Québec, a sector in which he is recognized for his strategic approach.
Mr. Daigneault stands out for his professional rigour when managing complex projects. He is renowned for his commitment to offering his clients practical, customized legal solutions. As a lecturer and trainer, he regularly shares his knowledge of Construction Law, thus contributing to the continuing education of other professionals in the sector.
He has a Bachelor of Laws degree from the Université de Sherbrooke. In addition, he has taught various courses through the training program offered by the Association des professionnels de la construction et de l’habitation du Québec (APCHQ), and has written over fifty articles and columns related to the construction industry. He is a member of the Canadian Bar Association, Quebec Division, as well as the Association du Jeune Barreau de Saint-François. He is also actively involved in his community, notably as a board member of La Grande Table in Sherbrooke.
Education
2009
- Barreau du Québec
2008
- Bachelor of Laws, Université de Sherbrooke
Teaching, conferences and publications
2021
- Receipt management in the modern age, Annual convention, Corporation des entrepreneurs généraux du Québec
2019
- Construction law and agriculture, Réseau des Intervenants Agricoles de la Montérégie-Est
2018
- Methods of legal protection and claims: a legal argument in the making, Cain Lamarre symposium - construction 2018, Cain Lamarre
- Instructor of the Labor Relations Regime, Legislation and Regulation training of the administration segment delivered for the APCHQ training program recognized by the Régie du Bâtiment
- Instructor of the Legislation and Regulation training of the project management segment delivered for the APCHQ training program recognized by the Régie du Bâtiment
- Instructor of the training Executing construction Work of the segment on the execution of work delivered for the APCHQ training program recognized by the Régie du Bâtiment
- Instructor of the training Construction Company Management for the professional training program in the La Riveraine school district
- Lecture :"La dénonciation de contrat et l’hypothèque légale des personnes ayant participé à la construction ou la rénovation d’un immeuble"
- Lecture :"Le commerce itinérant en matière de construction"
- Lecture :"L’ingérence du propriétaire dans l’exécution des travaux de construction"
- Lecture :"Le plan de garantie des bâtiments résidentiels neufs"
- Lecture :"Les contrats d’entreprise dans l’industrie de la construction"
- Lecture :"Les moyens de protection légaux des entrepreneurs généraux et spécialisés"
- Lecture :"Les extras"
- Lecture :"Les responsabilités des entrepreneurs généraux versus les responsabilités des entrepreneurs spécialisés et fournisseurs de matériaux"
- Drafting of various articles on Construction law published in Le Bâtisseur Estrien
- Writer of web articles for construction contractors
Engagements
2025
- Director, La Grande Table (since 2023)