Duffin Contractors, Ltd. is a professional General Contractor based out of the GTA. With over 25 years of experience, committed to providing their clients with excellence in all aspects of the construction process. Their expertise is in the commercial and institutional renovation industry, with a strict focus on construction and project management. Their pride is providing superior customer service, quality work and competitive pricing. John Gardener, owner and founder is still engaged as a Lead and Project Manager.