Top 5 General Contractors
in Ajax
We compared 5 General Contractors serving Ajax, Ontario using publicly available business information, including customer reputation, local presence and documented services. Across the businesses featured here, documented specialties include Home additions, Residential renovations, and Commercial renovations.
↘ Ajax’s featured general contractors have a FiveBest Score below the Ontario benchmark.

HH renovation & general contracting Inc is listed as a general contractor in Ajax. Its website documents coordinated residential and commercial interior renovation work, including basements, kitchens, bathrooms, flooring, painting, plumbing and electrical work. The documented scope is relevant to clients planning projects involving several renovation trades.
Residential renovations · Commercial renovations · Home interiors

Based in Ajax, AKMA Design & Build acts as a general contractor for custom homes, complete home renovations and home additions. The company states that it manages construction from planning through completion, coordinating trades, schedules and project resources.
General contracting · Complete home renovations · Home additions

Ultra Renovations Inc handles kitchen, bathroom, basement and multi-room renovation work from its Ajax base. Its documented scope includes full kitchen remodels, bathroom makeovers with tiled showers and vanity installation, plus basement finishing. The company also provides free on-site estimates and detailed written quotes.
Kitchen renovation · Bathroom renovation · Basement renovation and finishing

Based in Ajax, Jajio Renovation Inc. documents whole-home renovation work including kitchen and bathroom remodels, home additions, flooring, electrical and plumbing. The company also offers design and city permits when required, making it relevant to projects needing coordinated general contracting.
Kitchen remodels · Bathroom remodels · Home additions

Babak Construction Solutions Inc. shares an Ajax address and phone number with Babak Painting & Renovation, whose published scope covers residential and commercial renovation. Its documented work includes basement renovations, kitchen and bathroom remodelling, demolition and new construction, flooring installation, and plumbing renovations.
Basement renovation · Kitchen and bathroom remodelling · Demolition and new construction
Ajax general contractors score below the Ontario benchmark
Featured general contractors in Ajax have a median FiveBest Score™ of 65/100, compared with 68/100 for featured general contractors across Ontario.
Among nearby FiveBest markets, general contractors in Whitby (69/100) and general contractors in Oshawa (69/100) score higher, while Pickering (65/100) is close to Ajax.
Comparison based on profiles currently featured by FiveBest in this category with an available FiveBest Score™.
How we researched General Contractors in Ajax
FiveBest reviews publicly available information for General Contractors serving Ajax.
- Google rating and review history
- Documented services
- Years in business when available
- Ajax and surrounding service coverage
- Business website and online presence
- Independent reputation signals when available
Research last updated: September 2026
Common Services
- Whole-home renovation in Ajax
- Home additions in Ajax
- Structural renovation in Ajax
- Basement finishing in Ajax
- Kitchen and bathroom renovation in Ajax
- Open-concept conversions in Ajax
FiveBest Match™
Coming SoonFiveBest Match™ will soon help you compare businesses based on your specific needs.
FiveBest Match™ — Coming Soon 🔒How to Choose a general contractor in Ajax
Compare general contractors in Ajax for whole-home renovations, additions, structural changes, basement finishing, kitchen and bathroom projects, permit coordination, subcontractor management and design-build services. FiveBest helps homeowners compare selected local renovation contractors.
Compare selected general contractors in Ajax for home renovations, additions, structural work, basement finishing, project management and design-build services.
Confirm applicable licensing, insurance and experience with projects similar in scope and complexity.
Look for a written scope, allowances, exclusions, payment schedule, change-order process and warranty terms.
Compare estimates based on the same plans, materials and assumptions rather than price alone.
Review completed renovations similar to yours and ask for relevant references.
Confirm who coordinates permits, inspections and licensed trades where they are required.
Ask who manages the site, schedule, subcontractors, communication and project changes.
What Affects General Contracting Costs
- Project size and scope
- Design and engineering
- Structural work
- Materials and finishes
- Permits and inspections
- Number of trades involved
- Site access and existing conditions
- Allowances and selections
- Schedule and project complexity
Questions to Ask a General Contractor
- Have you completed projects similar to mine?
- What licensing and insurance apply to this project?
- Who will obtain permits and coordinate inspections?
- Is the estimate itemized and what allowances are included?
- How are change orders approved and priced?
- Who supervises the project day to day?
- What is the payment schedule?
- What workmanship warranty is provided?
Frequently Asked Questions
Project cost depends on scope, design, structural work, labour, materials, permits, subcontractors, site conditions and schedule. Compare detailed estimates based on the same plans and specifications.
A general contractor may plan and manage the renovation, coordinate trades, order materials, schedule inspections, oversee site work, manage changes and remain responsible for the overall project delivery.
Permits may be required for structural changes, additions, plumbing, electrical, HVAC, occupancy changes and other work. Requirements vary by municipality and project scope.
Design-build combines design and construction responsibility within one team. Traditional delivery may involve separate designers and contractors. Compare accountability, pricing, schedule and design flexibility.
Timing depends on design, permits, product lead times, structural work, inspections, trade availability and changes during construction. Ask for a written schedule with major milestones.
Compare licences where required, insurance, similar-project experience, references, contracts, itemized estimates, allowances, change-order procedures, schedule, payment terms, warranties and communication.