Full-scope concrete and structural work, foundations, slabs, rebar, and steel, for commercial, and industrial projects across Ontario.
GSSL provides a complete concrete and structural scope across Ontario, for commercial general contractors, developers, and architects alike. From the first permit submission to the final pour and steel erection, we deliver work to specification, on schedule, and to Ontario Building Code. Every service below is available as a standalone scope or as part of a coordinated structural package.
Our Design and Permit Services Include: Structural Design and Engineering Consultation
From membrane applications and damp roofing to weeping tile installations and backfill strategies
We build reinforced concrete foundation walls and structural columns
Whether it’s a warehouse, plant, or logistics hub, our concrete solutions provide a strong, level foundation built to perform.
We deliver steel and reinforcement services that form the backbone of every structurally sound build.
We are experts in the manufacture and installation of rebar for columns, walls, footings, and slabs
At GSSL, we provide comprehensive structural solutions from footings and piers to structural beams and rebar installation. With a commitment to quality, safety, and precision, we support Commercial, and industrial projects across all phases of construction. Whether you’re starting from the ground up or reinforcing existing structures, our experienced team delivers reliable, code compliant results every time.
Grand Structural Services Ltd. (GSSL) provides specialized industrial concrete and structural solutions in the Greater Toronto Area. Their services include concrete slab construction, structural framing, and excavation tailored for heavy-duty industrial use. With a focus on quality, safety, and efficiency, GSSL supports developers and contractors in building strong, long-lasting industrial structures.
GSSL also handles commercial concrete and structural projects across the GTA, offering services for plazas, office buildings, and retail spaces. They provide full-scope work including slab installation, framing, and foundation work customized to commercial needs. Their experienced team ensures timely, code-compliant construction with a commitment to quality and durability.
GSSL specializes in formwork services for both commercial and industrial projects, providing the structural molds needed for concrete pours. They use high-quality materials and precise techniques to create custom forms for walls, slabs, columns, and beams. This ensures strong, accurate concrete structures that meet architectural and engineering specifications.
Grand Structural Services Ltd. (GSS) offers comprehensive concrete slab solutions tailored for commercial and industrial projects across the Greater Toronto Area. Our expertise encompasses various slab types, including monolithic, post-tensioned, slab-on-grade, and precast systems, ensuring each project meets specific structural and functional requirements.
(416) 785-7838
Grand Structural Services Ltd. (GSSL) is a Toronto-based concrete and structural contractor serving commercial, and industrial projects across Ontario. From warehouses, manufacturing plants, and retail builds to additions, and complex foundations, we deliver the full structural scope: footings and piers, foundation walls and columns, slabs and flat works, structural steel, and rebar installation, with in-house structural design and permit services. The capacity and code compliance commercial projects demand, applied to every job.
A showcase of our most notable projects, highlighting GSSL’s commitment to quality craftsmanship, innovative design, and durable structural solutions across Toronto and the GTA
We believe that architecture is not just about buildings; it’s about creating spaces that inspire, nurture, and elevate.
1558 Avenue Road - Unit 2 Toronto, ON M5M 3X5
Monday - Friday : 8 AM - 4 PM
Saturday - Sunday : Closed
(416) 785-7838
[email protected]
We specialize in concrete and structural steel solutions, including footings, foundation walls, slabs & flatwork, rebar installation, and custom steel structures for commercial, and industrial projects across the GTA.
GSSL works on commercial, industrial, and residential projects across Ontario. On the commercial and industrial side, we partner with general contractors, developers, and architects on warehouses, plants, retail, office, institutional, and multi-residential podium builds. On the residential side, we take on custom homes, large additions, and complex foundation work. We bring the same engineering rigor, code compliance, and project discipline to every job regardless of scale.
We proudly serve Toronto and the Greater Toronto Area (GTA), including Mississauga, Vaughan, Markham, Richmond Hill, Scarborough, North York, and surrounding regions.
All our work follows Ontario Building Code standards, engineered specifications, and municipal requirements. We also partner with certified trades and use high-grade materials for long-lasting results.
Yes. We offer detailed estimates based on project scope, site conditions, and structural requirements. Contact us with your drawings or project details, and we’ll provide a tailored quote.
Yes. Our services are turnkey—covering labour, formwork, reinforcement, concrete supply, and steel fabrication/installation as required.
We provide a variety of finishes, including smooth trowel, broom finish, exposed aggregate, and polished surfaces depending on your project’s design and functional needs.
Start times depend on project scope, permitting, and scheduling. Typically, smaller projects can be scheduled within a few weeks, while larger builds may require more lead time
Yes. We carry full liability insurance, WSIB coverage, and all team members meet safety certification requirements for working on construction sites.