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Top 5 Roofing Contractors in Guelph, Ontario
- Trevor F.
- Apr 24
- 5 min read
Updated: 7 days ago
When it comes to safeguarding your home, few components are as crucial as your roof. It protects everything beneath it from the harsh Canadian weather — from summer heat to winter storms. Over time, even the best-built roofs need maintenance, repair, or full replacement, and when that time comes, it pays to work with a contractor you can trust.
Guelph is home to a number of reputable roofing professionals who bring experience, quality workmanship, and excellent customer service to the table. Whether you're dealing with a small leak or planning a full exterior renovation, choosing the right contractor can make all the difference in both the outcome and your peace of mind.
We’ve reviewed dozens of roofing companies in the Guelph area and narrowed it down to the top five based on reputation, years in business, scope of services, and — most importantly — customer satisfaction. These companies have a proven track record of delivering high-quality results, maintaining clean and safe job sites, and offering clear communication every step of the way.
Here are the best roofing contractors in Guelph we believe are worth your consideration:
Last update: April 24, 2025
Best Residential Roofing Contractors
1. JMN Roofing
Google Rating: 5.0 stars from 68 reviews ⭐⭐⭐⭐⭐
Years in Business: 3+
Website: jmnroofing.com
About JMN Roofing
JMN Roofing is a family-run business that has quickly established itself as a trusted name in Guelph’s residential roofing market. Founded by Jack and Jordan Ninaber, the company brings a blend of technical skill, professionalism, and responsive service that sets them apart. They specialize in shingle roof replacements, repairs, skylight fixes, and storm damage restoration.
What’s impressive about JMN is their commitment to treating every home as if it were their own — from initial inspection to the final cleanup. They’re also known for using high-quality materials and taking the time to ensure long-term durability, not just quick fixes. With a focus on transparency, detailed assessments, and honest pricing, JMN has built a strong following in the community.
What customers are saying
Homeowners rave about JMN’s punctuality, professionalism, and high attention to detail. Many reviews mention how the team goes above and beyond, often identifying and fixing issues beyond the initial scope. The company’s excellent communication and respectful crew are frequently highlighted, along with the fact that jobs are completed on time and always leave the property spotless. Customers also appreciate their fair pricing and fast response times — a rare combination in the trades.
2. A1 Pros – Exterior Contractor Gutters Siding Roofing
Google Rating: 5.0 stars from 35 reviews ⭐⭐⭐⭐⭐
Years in Business: 1+
Website: a1prosguelph.ca
About A1 Pros
A1 Pros is a full-service exterior contractor specializing in roofing, siding, gutters, and eavestrough replacements. What makes them stand out is their breadth of services combined with a focus on high-quality execution and customer satisfaction. Their team is known for completing projects efficiently — often in a single day — and for maintaining a clean, professional work environment. Owner Peter and his crew are regularly praised for being communicative, courteous, and accommodating with scheduling. Whether it’s a minor fix or a complete roof overhaul, A1 Pros ensures that every project is completed to high standards, using premium materials sourced from reputable suppliers. Their workmanship is backed by a growing list of repeat clients and referrals across Guelph.
What customers are saying
Clients frequently highlight A1 Pros’ clean and efficient work, fair estimates, and friendly, skilled staff. The company receives high marks for tackling both roofing and gutter jobs with professionalism and speed, and many reviewers appreciate how respectful the team is while working on site. The consistency of their five-star feedback suggests that customer care is a top priority, and it shows in everything from initial estimates to final inspections.
3. Empire Roofing and Exteriors
Google Rating: 4.8 stars from 91 reviews ⭐⭐⭐⭐⭐
Years in Business: 7+
Website: empireexteriors.ca
About Empire Roofing and Exteriors
Empire Roofing and Exteriors is one of Guelph’s most established roofing companies, offering a wide range of exterior renovation services including roofing, siding, eavestrough systems, attic insulation, and more. With over seven years in business, their reputation is built on transparency, quality, and a genuinely consultative approach. From their in-depth estimates to 3D project renderings, they aim to make big renovation decisions easier and less stressful for homeowners. Their team is also known for going beyond standard installation — identifying structural concerns, improving ventilation, and even offering energy-saving solutions. Led by a team of experienced professionals including the highly praised Kenny and Jova, Empire brings a premium service experience to every project.
What customers are saying
Homeowners are consistently impressed with Empire’s responsiveness, especially during emergencies and complex repairs. Their team is noted for offering detailed explanations, never using high-pressure tactics, and maintaining clean, professional job sites. Many reviewers mention that the slightly higher price point is justified by the outstanding customer service, long-term results, and top-tier materials. Empire is a go-to choice for those who want to invest in quality and peace of mind.
4. Sambor Roofing
Google Rating: 4.5 stars from 141 reviews ⭐⭐⭐⭐
Years in Business: 20+
Website: samborroofing.com
About Sambor Roofing
Sambor Roofing has become a household name in Guelph when it comes to roofing and exterior finishing. With years of experience under their belt, they offer a comprehensive list of services including roof replacements, siding, fascia, soffit, and eavestrough installation. They’re particularly adept at handling complex repairs and responding quickly to emergency calls, such as ice dam removal and storm damage. The team is praised for their blend of professionalism and flexibility, and they’re known to stay in touch long after the job is done. Sambor also excels in custom work, bringing both technical ability and design insight to the table, especially for older or architecturally unique homes.
What customers are saying
Customers appreciate Sambor’s ability to respond quickly, especially in emergency situations. Their work is frequently described as efficient, detail-oriented, and professionally executed. Long-time clients mention consistent service quality over the years, even for follow-up jobs or minor repairs. Reviewers also love their transparent quoting and straightforward communication, making them an easy company to work with.
5. Dave Merkley Roofing Ltd.
Google Rating: 4.4 stars from 29 reviews ⭐⭐⭐⭐
Years in Business: 35+
Website: davemerkleyroofing.com
About Dave Merkley Roofing Ltd.
Dave Merkley Roofing is a locally owned and operated roofing contractor that has earned its place in the Guelph market through hard work, attention to detail, and consistent quality. With decades of experience under their toolbelt, the company is well-equipped to handle everything from full roof replacements to chimney removals, vent installations, and storm damage repairs. Their team operates with military-like efficiency — often completing entire projects in just a day or two — while maintaining a high standard of professionalism on-site. Known for fair pricing and thorough cleanup, Dave Merkley Roofing is a great choice for homeowners who value reliability and craftsmanship.
What customers are saying
Reviewers consistently note the team’s speed, politeness, and high level of professionalism. Many clients are return customers or referrals, praising the company’s ability to deliver excellent results while staying on budget and ahead of schedule. Jackie from the office gets special mentions for her helpful communication, while Dave and the team on-site earn accolades for their no-nonsense, hardworking approach.
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