Top 10 Roofing Contractors in Markham 2026 Ranked & Reviewed
Guildwood Roofing is a Markham-based contractor with over 15 years of experience handling residential installs, commercial roofing, re-roofing, and repairs. If you are in need of emergency roofing repair service, our experienced Markham roofing contractors will be there when you need them. As Fall Arrest trained professionals, our roofing team will quickly and safely diagnose your roofing problems and make the necessary repairs.
If a Markham roofer is uninsured or lacks WSIB coverage and a worker is injured on your property, you can be exposed to liability. Ask for a current WSIB clearance number and verify it before any work begins. Vetted, currently-operating roofing contractors serving Markham and York Region — ranked by longevity, manufacturer certifications, and roofing services markham BBB standing. We deliver fixed-price, highly detailed estimates with no hidden fees or surprise add-ons. Every quote clearly breaks down the average costs for quality materials, labor, disposal bins, and warranty registrations so you know exactly where your investment goes, providing an unmatched exceptional service from start to finish.
Architectural asphalt shingles built for freeze–thaw durability and sustained wind exposure protection. Roof repairs and installations for detached homes, townhouses, garages, and custom builds across Markham neighborhoods. Did everything in the contract, new steel, sub-membraine, professional, enough manpower, good clean-up, on time (of course weather is always a factor), good communication, Simon easy to get hold of. Kevin came to my place at the appointed time was very courteous and answered all my questions. He helped us solve our issue, and did not try to sell me on more work like other trades i have dealt with.
Professional roof replacement services in Toronto and the GTA, delivering durable materials, skilled workmanship, and long-term protection for your home. Watch for missing or curling shingles, water stains, active leaks, sagging areas, granule loss, and visible aging. Our Markham team carries out a detailed inspection and gives you an honest assessment, repairing where it is practical and recommending replacement only when it is truly needed. Call today for a free roofing estimate in Markham and discover why local homeowners trust RonOvations for dependable roofing services. We deliver complete roofing solutions for residential, commercial, and light industrial properties throughout Markham.
Emergency repairs are performed using cold-weather installation methods. Repair or replacement guidance is provided based on roof age, structural stability, and exposure patterns. Roofing in Markham must handle York Region freeze–thaw cycles, mature maple and oak canopy debris, suburban wind corridors, and heavy seasonal rainfall across both established and newer communities.
Workers are WSIB-covered and the company carries liability insurance. As a fully insured and trusted provider of residential and commercial roofing services, our mission is to deliver quality roofing services that protect your property and support long-term customer satisfaction. We use high-quality materials, follow proven installation standards, and complete work properly the first time. Whether you need a new roof installation, roof repair, roof maintenance, or roof inspection, we have the skills and experience to handle any project. We work with all types of roofs, including shingle, metal, tile, slate, and flat roofs. Contact us today to schedule your appointment and get the best roofing services in town.
Get at least three written quotes from roofing companies in Markham to ensure competitive pricing. Ask for a detailed breakdown of labour, materials, permits, and cleanup. Ranked by Google reviews, verification status, and customer satisfaction. Permitted work is inspected, which protects your investment and your home's resale value. Ontario has no provincial roofing trade licence, so the most important credential is a valid Workplace Safety and Insurance Board (WSIB) clearance certificate plus commercial general liability insurance.
“Guildwood Roofing is a reputable roofing company that has been operating for over fifteen years. Their professionals are fully licensed and insured for your peace of mind. Their roofers have the skills and experience to handle any roofing project. They work around your time frame, budget, and schedule to complete their work according to your specifications. Guildwood Roofing provides high-quality roofing products and services to protect your family and valuables from roof damage.
Gutter systems designed to manage heavy rainfall and leaf accumulation are common in Unionville and Greensborough. We design, print, and deliver via Canada Post Neighbourhood Mail™. Used by top-rated Roofing contractors across Ontario to get more customers. NFC tap-to-review cards let customers leave a Google review in one tap — no app, no searching. Start with our roof cost guide or see how we rank Markham roofers.
Balanced ventilation and correct drainage slope maintain membrane integrity. Seasonal gutter cleaning prevents overflow, fascia deterioration, and winter ice buildup. Don’t miss out on our exclusive discount from roofing companies near me. Schedule an appointment or phone consultation with one of our roofing experts serving Markham and all of York Region. After every Markham project, we magnetic-sweep your entire property to remove every last nail and metal fragment.