Business Details
25 Years
experience
Expert Commercial Construction Services in Mississauga
QUADCON Group has been delivering professional construction services across the Greater Toronto Area since 2001. Our team brings over 30 years of combined experience in commercial, industrial, and institutional building sectors, specializing in interior renovations and tenant fit-outs. We provide comprehensive project management from initial planning to completion, ensuring timely and budget-conscious delivery. Our expertise spans demolition, custom rebuilds, and compliance with accessibility standards, serving both private and public clients. With a focus on quality and reliability, we maintain strong relationships with trusted sub-trades to execute complex projects efficiently.Our leadership team, including President John Prioste and Anna Prioste, combines technical expertise with hands-on management to meet client needs. We prioritize safety through WSIB compliance and third-party certifications, ensuring workplace safety and regulatory adherence. Our track record includes over 7 million sq.ft. of renovated spaces, reflecting our commitment to client satisfaction and craftsmanship. We specialize in minimizing disruptions during occupied space renovations while maintaining strict project timelines. This dedication to excellence has earned us repeat business and a respected position in the construction industry.
Services
Commercial General Contracting
Interior Office Renovations
Tenant Fit-Out
Design-Build Services
Construction Management
Details
- Year established: 2001
Highlights and features
- 30+ years of combined leadership experience in commercial construction
- Full-service interior renovation solutions from demolition to completion
- Specialized design-build methodology streamlining project delivery
- Proven track record with 7+ million sq.ft. of successful renovations
- Comprehensive safety compliance with third-party certifications
Associations and certifications
- WSIB
- ComplyWorks
- ISNetworld
- eRailSafeCanada
Services
Commercial General Contracting
QUADCON provides comprehensive commercial construction services for office spaces, industrial buildings, and institutional facilities. Our expertise includes complete interior rebuilds, structural modifications, and system upgrades. We manage all aspects of the project lifecycle from initial planning to final inspections, ensuring compliance with building codes and accessibility standards while maintaining strict timelines and budgets.
Interior Office Renovations
Specialized office space transformations for corporate environments, medical facilities, and retail locations. Our services include layout redesign, finish upgrades, and universal accessibility modifications. We handle projects of all scales, from single offices to multi-floor renovations, with minimal disruption to ongoing business operations through strategic scheduling and phased construction approaches.
Tenant Fit-Out
Customized tenant space preparations for property managers and landlords. We execute interior modifications to meet specific tenant requirements while ensuring code compliance. Our services include new finishes, plumbing/electrical upgrades, and accessibility feature installations. We specialize in transforming existing spaces into functional, code-compliant environments that enhance property value and marketability.
Design-Build Services
Streamlined project delivery combining architectural design and construction under one contract. Our team collaborates directly with building owners to develop tailored solutions that balance functionality and budget constraints. This approach reduces project timelines through concurrent design and construction phases while maintaining quality control throughout the development process.
Construction Management
Comprehensive construction project coordination from pre-planning to completion. We manage relationships between owners, designers, and subcontractors to ensure seamless execution. Our services include budget tracking, schedule management, and quality control oversight. We implement proven methodologies to maintain project timelines while adapting to evolving requirements and unforeseen challenges.
People
John Prioste
President
B.Tech graduate with 30+ years of construction management experience. Former university facilities planner and senior project manager. Founded QUADCON in 2001 and oversees all business operations while maintaining industry leadership roles.
Anna Prioste
Building Science Specialist
Architectural Science graduate with 30 years in building materials testing and consulting engineering. Joined QUADCON in 2016 after 15 years with engineering firms. Past-President of Ontario Building Envelope Council with expertise in contract documentation and field reviews.
Joe Da Cunha
Site Supervisor
Specializes in custom cabinetry and millwork with extensive construction knowledge. Provides on-site expertise for complex interior installations and finish work, ensuring precision execution of detailed project specifications.
Robert Schunk
Drywall Specialist
Expert in drywall installation, steel stud framing, and ceiling systems. Manages partition layout and suspended ceiling grid installations with attention to structural integrity and finish quality standards.
Questions
What types of construction projects does QUADCON specialize in?
We specialize in commercial, industrial, and institutional interior renovations including office spaces, medical facilities, retail locations, and educational institutions.
How long has QUADCON been in business?
Since 2001, with our leadership team bringing over 30 years of combined construction industry experience to every project.
What areas do you serve?
Primarily the Greater Toronto Area, including Mississauga, with capability to manage projects across Ontario.
Can you handle projects in occupied buildings?
Yes, we specialize in minimizing disruptions through strategic scheduling and phased construction approaches for occupied spaces.
What safety certifications do you maintain?
We are WSIB compliant with staff trained in WHMIS, Working at Heights, and participate in third-party safety programs like ComplyWorks.
Do you offer design-build services?
Yes, we provide integrated design-build solutions that streamline project delivery through single-contract management from concept to completion.
Reviews (2)
Shawn Quait
Feb 02, 2021
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Positive:Professionalism,Punctuality,Quality,Responsiveness,Value
Quadcon helped us navigate the construction of our new location which involved the building of a commercial kitchen, reception area, and warehouse . The project was delivered on time with great quality work and at a fair price. A dream come true.
Quadcon helped us navigate the construction of our new location which involved the building of a commercial kitchen, reception area, and warehouse . The project was delivered on time with great quality work and at a fair price. A dream come true.
Rick RickRaff Farrell
Jun 26, 2018
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I have worked for over 15 years with John and his team. As a facilities manager I find it important to ensure that any renovations or repairs are taken care of promptly and within budget. Quadcon is responsive and I have NEVER had any overages to what they had quoted. They are truly a one-stop shop for any construction (and other) needs.
