About Us


MBSG is the amalgamation of our family businesses that goes back to 1875 in Hamilton, Ontario. Robert Soper Company Limited started out as a sail making company dedicated to quality materials and quality people. 

Much has changed over the years but the desire to deliver quality products and services remains. We recognize the need for specialized teams of design-build and Construction / Installation professionals for high profile commercial customers, MBSG was created to provide complete project management and turnkey building services to the Frame Supported, Tensile and Air Supported Structures around the world.



Our confidence in construction, coupled with our direct partnership with the material manufacturers means that we stand firmly behind our workmanship so that customers can be confident in the value and longevity of their structure.

Our highly experienced installers have been erecting Frame, Tensile and Air supported structures in every corner of the world and work with other contractors and professionals on site to ensure that projects progress quickly.

From design and planning, through to construction and installation, all the way to maintenance, service, and beyond. Our team is with you every step of the way to ensure you have a product you can take pride in.

Trusted Industry Professionals
Since 1875.


Toll Free: +1 877-827-9933