What We Do
Main Focus
Since 1969, Rosati Group has become one of the largest Design Build contractors/developers in Southwestern Ontario. We are uniquely positioned to ensure that your construction project will be a resounding success from concept to completion. We are accustomed to assisting our customers in the critical early stages of project development during which crucial schedule, quality and value decisions are made. Our company focuses on design, quality of materials, subcontractors and tight integration of these resources to create robust, service-free, award-winning buildings.
Core Services
Design-Build
General Contracting
Construction Management
Land Development
Butler Building Systems
Machine Foundations
Leasing
Rosati Difference
Customer Experiences
"When we were planning our renovation project we wanted to partner with an organization that has a similar understanding and care for their customers. The decision to select Rosati was an easy one. The Rosati name carries a great reputation for experience, knowledge, quality, customer service and professionalism, which aligns perfectly with WFS' core values.."
Victor Milosevski
Branch Manager
Customer Experiences
"Rosati Construction was selected based on their reputation to meet budget and timing. Their group's ability in all areas of the project, resulting in the completion of out 72,000 sq ft. facility to house our North American technical centre and headquarters in under six months. I believe this to be an impressive accomplishment by any measure.."
Rob Colja
Director of Operations
Customer Experiences
"Rosati was again a class act in executing a substantial construction project for Centerline this year, building a brand new plant facility. As with previous projects, they were extremely professional and always kept our business interests at the forefront."
Steve Renaud
Vice President of Operations













