Built to spec
Built to your engineered drawings, survey, and the real site conditions, not a standard package forced to fit.
A Drainage Contractor designs and installs site drainage, from storm sewers and catch basins to trench drains and stormwater systems, for commercial and municipal sites. Harrowgate Group self-performs the work to your engineered drawings, load, and finish, and completes it on site across Ajax, the GTA, and Ontario.
Tell us what you need and we’ll get you a quote. Licensed, insured & WSIB certified · Free, no-obligation quote & on-site assessment.
Licensed, insured & WSIB certified · Free, no-obligation quote & on-site assessment.
Built to your engineered drawings, survey, and the real site conditions, not a standard package forced to fit.
Heavy-duty steel and finishes chosen for the load, traffic, and environment on site.
Send specs, drawings, or photos and get a free, no-obligation site visit and estimate with no guesswork.
Installation and site work completed in accordance with Ontario requirements.
A Drainage Contractor designs and installs site drainage, from storm sewers and catch basins to trench drains and stormwater systems, for commercial and municipal sites. Harrowgate Group treats each Ajax drainage contractor project as its own scope: the site conditions, the engineered plan, and the sequencing set before a crew mobilizes.
In Ajax, drainage contractor is typically needed for parking lots, yards, roadways, and building perimeters. Across Ajax, it solves moving water off the site and preventing ponding, erosion, and flooding, and because no two sites are identical the scope is set per site, not a default.
What drives drainage contractor in Ajax (Durham Region) is automotive and parts manufacturing, logistics and distribution, food processing, and institutional. Ajax's Bayly and Salem industrial corridors feeding the 401 anchor a strong automotive, logistics, and food-processing construction market. Demand centres on industrial slabs, truck courts, servicing, and loading-dock work.
Most of it sits around the Clements and Bayly industrial corridor, Salem Road business park, and the 401 employment lands. Harrowgate Group regularly builds drainage contractor for Ajax clients like manufacturers, distributors, healthcare, and the Town of Ajax, each project carrying its own site and requirements.
The mix in Ajax, automotive and parts manufacturing, logistics and distribution, food processing, and institutional, means each drainage contractor project starts from the specific structure, not a template, when Harrowgate Group scopes it.
What shapes an Ajax project is lakefront exposure, heavy-truck 401 corridor loading, and mixed retrofit and new-build industrial. Each Ajax project has the methods, materials, and equipment chosen for that environment, matched to the site instead of a one-size approach.
Programs slip when trades do not show. Harrowgate Group builds the Ajax drainage contractor work itself, so mobilization, sequencing, and completion stay with one accountable team, with fast mobilization to get moving.
Harrowgate Group runs each Ajax project by the book, survey and layout from the drawings, locates and shoring where needed, the work built to spec, then compaction, finishing, and clean-up, with hold points checked before the next stage.
A typical Ajax drainage contractor project pairs the work with local conditions: parking lots, yards, roadways, and building perimeters around the Clements and Bayly industrial corridor and clients like manufacturers. Harrowgate Group tailors each project to the situation and documents it for the file. Harrowgate Group also serves nearby Pickering, Whitby, Oshawa, so projects spanning the surrounding area stay with one team.
Every Ajax drainage contractor project is built to the engineered drawings and the applicable codes, methods, materials, and compaction or load results documented so the work is verifiable, not assumed.
Across Ajax, owners call Harrowgate Group for drainage contractor for a simple reason: licensed, insured, and fully WSIB-covered work, fast mobilization, and a crew that actually knows the Clements and Bayly industrial corridor, Salem Road business park, and the 401 employment lands and how local buildings fail.
Self-performed on site to the engineered drawings, coordinated with concrete, servicing, and the surrounding work, then a clean, documented finish.
The short version: A Drainage Contractor designs and installs site drainage, from storm sewers and catch basins to trench drains and stormwater systems, for commercial and municipal sites. For Ajax projects, it's built to the engineered drawings and the applicable codes, self-performed on site.
Yes, we respond across Ajax and the surrounding area. Response time is fast mobilization.
Across Ajax, the work concentrates around the Clements and Bayly industrial corridor, Salem Road business park, and the 401 employment lands, each job scoped to its own conditions.
Mostly automotive and parts manufacturing, logistics and distribution, food processing, and institutional, Harrowgate Group serves developers, contractors, municipalities, and property owners across Ajax.
In Ajax, the work accounts for lakefront exposure, heavy-truck 401 corridor loading, and mixed retrofit and new-build industrial, so the methods, materials, and equipment is matched to the site.
Site and traffic loads. For Ajax, every project is sized to the actual conditions.
Harrowgate Group responds to Ajax with fast mobilization, covering the Clements and Bayly industrial corridor, Salem Road business park, and the 401 employment lands and the surrounding area.
All of Ajax, the Clements and Bayly industrial corridor, Salem Road business park, and the 401 employment lands and the surrounding neighbourhoods, plus nearby Pickering, Whitby, Oshawa.
Yes, Harrowgate Group handles automotive and parts manufacturing, logistics and distribution, food processing, and institutional across Ajax, from focused scopes to full builds, each set to its own site and drawings.
Cost depends on the site conditions, the ground, the scope, and the engineered requirements, Harrowgate Group reviews the drawings and the site for each Ajax project and provides a clear, documented quote.
Yes, Harrowgate Group assesses Ajax drainage contractor on site and provides a documented scope before any work begins.
Real knowledge of Ajax, the Clements and Bayly industrial corridor, Salem Road business park, and the 401 employment lands, fast mobilization, work that is licensed, insured, and fully WSIB-covered, and full documentation on every project.
Harrowgate Group has served Durham Region since 2006, 20 years of hands-on experience.
Harrowgate Group surveys and scopes it on site, builds the work to the engineered drawings and the applicable codes, and completes it to grade, handled by one accountable team across Ajax.
Yes, Harrowgate Group builds the work across Ajax and the surrounding area and manages it end to end, coordinating any engineers, consultants, and municipal approvals the project needs. We do the work, not just hand it off.
Commercial and heavy-civil construction, self-performed for developers, contractors, property managers, and municipalities.
Send drawings, a site plan, or a description of the scope. Harrowgate Group is licensed, insured, and WSIB certified.
Licensed, Insured & WSIB Certified · Self-performed and documented on every job
Tell us what you need and we’ll get you a quote. Licensed, insured & WSIB certified · Free, no-obligation quote & on-site assessment.
Harrowgate Group provides drainage contractor, delivered and installed with quote-ready support across Toronto and surrounding Ontario communities.
Companies We've Worked With
Harrowgate Group delivers commercial and heavy-civil construction for developers, contractors, institutions, municipalities, and property groups across Ontario.