Building tomorrow’s economy today

Emerging as the leader in commercial, industrial, institutional and residential construction, Cosoltec has been designing and producing innovative and visionary projects since 1997. Renowned for its skills and its effectiveness as a manufacturer, but also as a construction stewardship developer, designer and supervisor, the company provides sharp, versatile and innovative expertise.

Supported by reputed customers, peers and by the entire Québec construction industry, Cosoltec predominates as a high calibre partner in large-scale real estate development.

A history forged by Québec’s 21st century growth and innovation

Founded in 1997, Cosoltec has been providing high-level professional services as a general contractor since then in commercial, industrial, institutional and residential construction. Led by Michel Grennan, Structural Engineer and President, the company has established itself as a major player in the industry thanks to its rapid growth and its recognized expertise. Over the past five years, Cosoltec has completed more than 2,000 residential units, over 1,600,000 square feet of industrial and commercial buildings as well as interior layouts representing more than 1,200,000 ft2.

Employing more than 30 full-time people at its Laval offices, Cosoltec also has strong ties with experienced and renowned architects and professionals. To date, all projects carried out reflect the company’s versatility and great concern to control costs and time constraints. As a result of these achievements, Cosoltec has been able to carve out a leading niche in competitive commercial, institutional, industrial and residential construction markets.

Numerous turnkey projects in recent years in the public sector have enabled Cosoltec to develop in-depth expertise.

Our recent turnkey construction mandates :

  • Industria 440 ($100M);
  • MUV condos ($40M);
  • Bibliothèque de Blainville (12M$);
  • Lumen Head Office ($35M);
  • Administrative offices for Corrections Canada ($3M);
  • Fire Station 32 ($8M);
  • Parc Jean Drapeau ($12M)
  • Résidence Saint-Eugène ($25M);
  • Molson Canada distribution center ($24M);

Relationships of trust with an ambition for excellence

Today, Cosoltec has become a major player in the industry by continuing to convey clear values that are always steered by honesty and transparency. Always on the lookout for new innovation trends, Cosoltec has established innovative construction methods, efficient materials and cutting-edge technologies to deliver projects that stand out.

A clear mission and vision

Cosoltec always strives to maintain client satisfaction with high-quality services, advanced skills and complete dedication.

By doing this, Cosoltec provides professional leadership and solutions designed to help each client achieve its proposed construction, all within a competitive budget. Therefore, the company focuses on partnership, intrapreneurship, team spirit and integrity. This combination promotes development of top-class construction, urban development and real estate management.

Cosoltec and its team objectives :

  • Client satisfaction through constant support at every project stage;
  • Staff commitment to provide services that meet the highest industry standards;
  • The concern to constantly innovate in labour, management, equipment, and health and safety issues;
  • The efficiency of meeting client expectations and of adhering to budgets and timelines;
  • For more than 15 years, Cosoltec has been growing and innovating bearing in mind these 3 mantras: construction – solution – technology.

Our ultimate objective: respecting our commitments

Cosoltec designs and manufactures highly structured projects and complexes, no matter the scope, budget, schedule and constraints with great attention to detail. With its versatile team, skills and targeted expertise, the company always pledges to respect its mandates and to carry out projects of unparalleled quality.


A major player in the Québec construction industry, Cosoltec applies its expertise in the design, management, engineering and construction of high-end projects. Whether multi-residential buildings, commercial complexes, industrial buildings, sports and recreational centres or rental accommodations, Cosoltec has been contributing since 1997 to urban development in many sensitive areas of the province. Working with recognized collaborators, Cosoltec enjoys an exemplary portfolio and many clients including: La Société immobilière du Québec, l'Office municipal d'habitation de Montréal, l'Université de Montréal, Molson Coors Canada, Ivanhoé Cambridge, and Métro and Costco.

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