Commercial General Contractor
— Greater Toronto Area
Structure,
considered.
Cortex Build Group is a commercial general contractor building offices, retail, industrial, and institutional spaces across the Greater Toronto Area. From the first estimate to final handover, we run every project on precise scheduling, transparent budgets, and craftsmanship that holds up under inspection.
Commercial construction, end to end.
We deliver ground-up construction, base-building, and interior fit-outs for commercial owners, developers, and tenants. Whether it's a corporate headquarters, a retail flagship, a distribution facility, or a medical clinic, you get one team accountable for the whole build — planning, permits, trades, and final closeout.
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01
Fit-out
Office & Corporate Fit-Outs
Base-building and turnkey fit-outs for corporate tenants, designed around occupancy timelines and live-building constraints.
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02
Retail
Retail & Hospitality
Flagship stores, restaurants, and mixed-use retail builds delivered to brand spec, on tight openings and tighter footprints.
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03
Industrial
Industrial & Warehouse
Logistics facilities, light-industrial shells, and warehouse retrofits engineered for throughput and long-term durability.
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04
Institutional
Institutional & Medical
Clinics, education spaces, and institutional facilities built to code-heavy specs with zero tolerance for rework.
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05
Ground-up
Core & Shell
Ground-up and shell construction coordinated with architects and consultants from permit through occupancy.
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06
Renovation
Renovation & Restoration
Phased renovations of occupied commercial properties — minimizing disruption while holding the schedule.
Four stages.
One point of accountability.
Every Cortex project runs through the same disciplined sequence — so budgets, timelines, and quality stay predictable from day one to handover. No hand-offs between strangers, no surprises in the final invoice.
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01
Pre-Construction
Scope, estimating, and constructability review before a single permit is filed.
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02
Permitting & Planning
Drawings, approvals, and trade procurement sequenced against a locked schedule.
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03
Build
Daily site supervision, weekly owner reporting, and a single project lead for every decision.
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04
Closeout
Deficiency walk-throughs, documentation, and warranty support after occupancy.
Built by people who stay on site.
Cortex Build Group was founded on a simple premise: commercial construction goes wrong when no one owns the details. We keep project teams small, senior, and on-site — so the people who plan your build are the same people walking it through to handover.
Fourteen years and 120-plus completed projects across Toronto, Mississauga, Vaughan, and the wider GTA have taught us that clarity is what clients actually pay for: an honest schedule, a budget that holds, and a supervisor who answers the phone. Every project is licensed, bonded, insured, and built to the Ontario Building Code — with safety records we're proud to put in writing.
Tell us about the build.
Share the scope, timeline, and location — a project lead will follow up within one business day.