About Harrowgate Group
Harrowgate Group builds the work beneath Ontario's essential properties and infrastructure.
We are a commercial, industrial, and heavy-civil general contractor serving Toronto, the GTA, and Ontario. Harrowgate self-performs the site, structural, underground, and restoration work that controls schedule, quality, and long-term performance.
A general contractor built around self-performed work
Harrowgate Group takes direct responsibility for the construction activities that determine whether a site is ready, a foundation is sound, underground infrastructure functions, and finished surfaces perform. Our crews execute concrete, foundations, excavation, earthworks, site servicing, sewer and watermain construction, paving, restoration, demolition, environmental work, and floor coating scopes.
That self-performing model keeps field decisions close to the people doing the work. Quantities, access, grades, sequencing, equipment, materials, inspections, and restoration requirements are managed as connected parts of the same project. When conditions change in the field, the response stays grounded in the drawings, specifications, actual site conditions, and the next operation on the schedule.
Why Harrowgate Group exists
Complex construction breaks down when scope boundaries become more important than the finished result. Harrowgate was built around a different operating principle: understand the complete job, control the critical work, coordinate every interface, and remain accountable from mobilization through closeout.
Our company combines general contracting oversight with practical field capability. The team planning excavation understands what the concrete crew needs. The crew installing underground services works from the same grading, utility, access, and restoration requirements that shape the rest of the site. Project management connects contracts, drawings, submittals, procurement, schedule, cost control, inspections, and documentation to the work taking place in the field.
Commercial, industrial, and heavy-civil capability
Harrowgate Group handles projects where civil, structural, and site scopes must work as one construction plan. We prepare sites, remove existing structures and materials, excavate and manage grades, construct foundations and concrete elements, install sewer, watermain, and site servicing systems, complete paving and surface restoration, and protect finished assets with fit-for-purpose coating systems.
Our service range supports new construction, expansions, plant and facility upgrades, municipal infrastructure, utility replacement, site rehabilitation, capital repairs, and phased work on occupied properties. The same team sees the dependencies between below-grade work and above-grade use, between temporary access and final paving, and between demolition limits and the structure or operation that remains.
Built for demanding owners and project teams
We work for developers, general contractors, engineers, property managers, facility managers, industrial operators, and municipalities across Ontario. Each client brings different controls to the project, but all require accurate scope, disciplined scheduling, responsive field leadership, clear documentation, and work that matches the approved design.
Developers need site and foundation progress tied to the overall pro forma and construction schedule. Industrial operators need work planned around access, production, shutdowns, and active utilities. Property and facility managers need defined limits, controlled disruption, and complete restoration. Municipal teams and engineers need traceable materials, inspections, testing, records, and conformance with contract documents. Harrowgate organizes the work around those operating realities.
Ontario standards guide planning and execution
Every project starts with the standards, drawings, specifications, permits, and authority requirements that govern the work. Harrowgate coordinates construction with the Ontario Building Code, applicable CSA standards, OPSS requirements, municipal specifications, approved engineering documents, and project-specific inspection and testing plans.
Our process covers scope review, constructability, site logistics, utility information, excavation limits, grades and elevations, materials, quality controls, inspection points, environmental controls, traffic and access requirements, sequencing, deficiency resolution, and closeout records. We coordinate directly with engineers, architects, consultants, inspectors, municipal staff, owners, and construction teams so field execution reflects the current approved information.
Trust is established before crews mobilize
Harrowgate Group is licensed, insured, and WSIB certified. Those requirements form the baseline. Trust grows through a clear scope, realistic schedule, organized mobilization, safe field practices, documented changes, responsive communication, clean work areas, and complete closeout.
We approach each project as a construction obligation, not a collection of isolated tasks. The result is stronger control over interfaces, fewer gaps between the plan and field conditions, and a team focused on building the specified outcome across every phase of the work.
Bring Harrowgate Group into the project early
Send us the drawings, specifications, tender package, site information, or scope that needs to be defined. We will review the work, identify the critical construction requirements, and prepare a clear quote for your commercial, industrial, or heavy-civil project in Toronto, the GTA, or Ontario.
