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Lawyers in commercial, civil and municipal law

Our law firm

Take advantage of a personalized legal support by our lawyers.

Our law firm based in Rosemere, on the North Shore, distinguishes itself by its approach based on personal guidance. Listening, understanding, supporting and defending. This is our mission at Tandem Avocats-Conseils. With the strength of experience and youthful ardor, our lawyers act as a team to defend your rights and interests.

Our legal team, with its expertise, can evaluate your options, consider your needs as well as the different finalities of your case in commercial, civil and municipal law among others. A trial isn’t always adapted to the reality of a legal case. Our team will recommend solutions based on your particular situation, baring in mind that sometimes what’s most efficient isn’t the most costly. Tandem Avocats-conseils is your best choice to defend your rights, get legal counselling, negotiate deals or wright a legal document.

Litigators, mediators or negotiators, our team is above all, your legal counsels. We practice with dignity, professionalism, honesty and independence and stay loyal to our oath.

Our team

Me Michel Beausoleil

Lawyer and Founder

Lawyer with more than 30 years of experience, Michel Beausoleil founded Tandem Avocats-conseils in 2014 as a response to the legal needs of citizens, enterprises and municipalities of the North Shore, Laval, Montreal and the Laurentides. He completed a Bachelor of Laws degree and holds a graduate degree in civil and commercial law from the University of Montreal. Trained in civil, commercial and municipal law, he also practices in estate law, administrative law and corporate law. He is a litigator with great oratory skills and has won a case heard before the Supreme Court of Canada.

Born in Ste-Thérèse, he is involved in his community and acts as President of the Salon national des animaux de compagnie (SNAC), an event focusing on sensitizing pet owners to the importance of a healthy bond between humans and animals.

Me Oana Zamfir


Lawyer since 2020, Me Zamfir completed her studies at the Faculty of Law of the University of Montreal. Until today, her professional career is diversified, having acquired experience before the courts in civil litigation, administrative law, municipal law and criminal law.

In an extracurricular capacity, she is interested in complex questions of public interest in the mission of advancing the law in Quebec. More particularly, she is interested in animal law and environmental law, wishing to promote the interests of animal beings whether they are pets, agriculture, wildlife or used for scientific purposes, as well as the protection of their habitat.

Me Laura Gagnon


Me Gagnon completed her studies in law at the University of Quebec in Montreal, and she joined the team in June 2023 to complete her internship at the end of her professional training at the École du Barreau.

From the moment she arrived, Me Gagnon stood out for her enthusiasm and dynamism, her versatility, her professionalism as well as her rigor at work. These qualities make her a reliable and essential resource for the firm.

Having practical experience in business management and an interest in business law, she will be able to support you in all the problems that a legal entity or individuals may encounter in the context of their activities. Her practice is also oriented towards civil litigation, contract law and municipal law.

Me Gagnon has been a member of the Quebec Bar since January 2024.

Our fields of practice

At Tandem Avocats-conseils, we distinguish ourselves in commercial, civil and municipal law. Our expertise also includes corporate and administrative law.

Our expertise

Our legal counsels’ combined strengths assure you the best results for your legal needs.