Auto InsuranceBusiness Insurance
GreatMount Insurance Brokers
Excellent
1171 Willow Crescent, Suite 765, Sarnia, ON P5Z 8Q0
Profile last updated: February 20, 2026
Est. 1984 25-50 team members
2.7
Choosing the right insurance can feel overwhelming, but GreatMount Insurance Brokers is here to simplify the process. Serving Sarnia and the broader Ontario region, our independent brokerage compares coverage options from multiple insurers so you don't have to.
Whether you need reliable auto coverage, protection for your home, insurance for your rental unit, or a comprehensive commercial policy for your business, we've got you covered. We handle the research, the comparisons, and the paperwork.
With over 42 years of experience in the insurance industry, we bring deep expertise and long-standing insurer relationships to every client interaction. When you work with GreatMount Insurance Brokers, you get more than a policy -- you get a partner who's invested in your protection.
Contact Information
Location
1171 Willow Crescent, Suite 765
Sarnia, ON P5Z 8Q0
Location Map
1171 Willow Crescent, Suite 765, Sarnia, ON P5Z 8Q0
Get DirectionsInsurance Lines
Auto InsuranceHome InsuranceTenant Insurance
Specialties
Senior DriversVacation PropertyProfessional LiabilityCyber InsuranceLife Insurance
Business Hours
SundayClosed
Monday08:30 - 17:00
Tuesday08:30 - 17:00
Wednesday08:30 - 17:00
Thursday08:30 - 17:00
Friday08:30 - 17:00
SaturdayClosed
Languages
English
Photos
Reviews
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2.7
6 reviews
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N
Nathan Hamilton
Jan 2026
Reliable broker
Been with GreatMount Insurance Brokers for a couple of years now. They handle our home and auto insurance well. Sometimes hard to reach during busy periods.
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Nathalie Li
Apr 2025
Happy with the savings
Saved about $200 on my auto insurance by switching through GreatMount Insurance Brokers. The broker was friendly and professional. Renewal process was smooth.
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P
Priya Lee
Jun 2024
Mixed feelings
I had mixed feelings about GreatMount Insurance Brokers. The broker was friendly but seemed disorganized. Eventually got my auto insurance sorted but it took longer than expected.
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T
Tyler Reid
Mar 2024
Excellent service
After a car accident, GreatMount Insurance Brokers guided me through the entire claims process. I felt supported every step of the way. Cannot recommend them enough.
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N
Nathan Gauthier
Mar 2024
Made insurance easy
Insurance has always been confusing to me, but the team at GreatMount Insurance Brokers explained everything in plain language. Got great tenant insurance coverage at a fair price.
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S
Samantha Leclerc
Feb 2024
Okay but not great
Used GreatMount Insurance Brokers for tenant insurance. Price was average, service was fine. Nothing that really stood out compared to other brokers I've used.
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Disclaimer: AtlasBrokers is a directory service. We do not sell, solicit, or negotiate insurance. Information on this page is for general reference only and should not be taken as financial or insurance advice.
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