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GBS is a full service general contracting company in the Muskoka and Simcoe Area for over 25 years.  We specialize in the building envelope and all exteriors.  GBS is also a home maintenance company working with various Property Mgmt Companies and Engineering Firms in Muskoka and Simcoe County.  We do additions and full builds for customers along with interior and exterior renovations.  GBS has earned our reputation also doing commercial construction and repairing commercial and residential buildings in Simcoe and Muskoka.


GBS has a full welding and metal fabrication shop in the Gravenhurst Industrial Area.


We have long term employees and offer a very competitive wage and benefits package to our employees.  GBS does not use sub-contractors unless it's for HVAC, plumbing, electrical and we need a specialized tradesperson.

GBS General Contractors in Gravenhurst
Home: Testimonials


Bayshore Property Management Inc

Just a note to let you know that the board was pleased with the roof
shingling job you did for our townhouse complex. The site was left clean and tidy each night, the workers were polite and helpful to the unit owners, so pass our thanks on to the crew.

Roy Gill,

Board Member,Bracebridge

Dufferin Roofing Limited

As a general contractor, we have been working with GBS Contracting since January of this year. We have seen that in their work, there is a commitment to professionalism, high quality of workmanship, and timeliness, in addition to excellent project management practices from its management, staff and crew. It is with great satisfaction and pleasure that we issue this recommendation reference for GBS Contracting.

Armando Iacono


BBB Review 

I was very pleased with GBS Contracting and their staff, they were on time, clean, polite and very professional. The quote/estimate that I received did not change, so no surprises during or at the end of the job in regards to the price of the finished job of my roof. I was always informed on everything about the job from the delivery of the materials and when the crew was coming to do the work. They always answered their phone and were easy to deal with. If you're planning on doing your roof I would give them a call as I would hire them again! Thanks again to all the staff at GBS. 

John P

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