Mallette strengthens its presence in Greater Montréal

Published Nov 2, 2026
Nouvelles

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Mallette is accelerating its growth in western Québec with the announcement of its acquisition of Séguin Haché L.L.P., a firm recognized for its expertise and the close relationships it maintains with its clients. The transaction underscores Mallette’s ambition to expand its presence in Greater Montréal, a major economic hub.

“Welcoming the Séguin Haché team makes us stronger as a firm. We both share the conviction that staying close to our clients helps us understand their businesses and provide the right support. We want that shared vision to guide us as we move forward and continue to grow together,” says René Benoit, managing partner for the Greater Montréal region at Mallette.

The two organizations share a commitment to excellence and to their clients. By joining forces, they aim to address a broader range of business needs across the region. Through this alliance, clients will have broader access to expertise across multiple disciplines, along with high-level strategic advice tailored to their evolving needs and aspirations.

“After all the years we have devoted to building our firm, this decision marks an important milestone for me, both professionally and personally. What matters most to me are the relationships we have built with our clients and employees. I am pleased to know that those relationships will remain at the heart of our work. Joining a firm like Mallette opens a new chapter for us, one that will allow us to grow, share our expertise and offer more to those who have placed their trust in us for so many years. I am very proud of how far we have come, and I am excited to continue this journey alongside our new team and our clients,” says Éric Massé, partner at Séguin Haché L.L.P.

About Séguin Haché

Founded in 1981, Séguin Haché is an accounting and advisory services firm with a well-established presence in the Salaberry-de-Valleyfield and Vaudreuil-Soulanges regions. The firm is recognized for the quality of its services, the close relationships it builds with its clients and its commitment to the community. Its team brings together professionals with a diverse range of expertise. Integrity, respect and collaboration shape how Séguin Haché’s partners support entrepreneurs and organizations in achieving their business objectives.

For more information:

Valérie Massoud, Director of Communications
Mallette S.E.N.C.R.L.
Tel: 418 653-4455, ext. 2599
[email protected]