About Guardian Tree Systems Inc
Guardian Tree Systems Inc. is a family-owned tree care company serving residential and commercial clients across Sarnia and Lambton County, Ontario, since 1996. Backed by three generations of arborist expertise—including Certified Arborists—the company specializes in preserving, maintaining, and safely managing local trees. Fully insured and built on a foundation of safety and reliability, Guardian Tree Systems provides prompt service and 24/7 emergency response year-round. Their comprehensive arboricultural services range from proactive tree health care, deep fertilization, and specialized oak wilt treatment to hazard assessments, structural cabling and bracing, precision pruning, stump removal, and utility line clearing. Dedicated to ecological compatibility and customer satisfaction, Guardian Tree Systems delivers professional, high-quality tree maintenance tailored to the Sarnia-Lambton community.
Services Offered
Opening Hours
- Monday10 AM to 5 PM
- Tuesday10 AM to 5 PM
- Wednesday10 AM to 5 PM
- Thursday10 AM to 5 PM
- Friday10 AM to 5 PM
- SaturdayClosed
- SundayClosed
Location
Open in Maps1701 Michigan, Sarnia
Customer Reviews
Taylor B
GoogleMay 2026
Guardian Tree Systems were incredibly fast and efficient at the work we had asked them to do. Not only did they do it all super fast and well, but they also made efforts to mitigate any harm to our flowerbeds and plants during the work. They also offered to put our yard waste through their chipper for no extra charge. Very kind and professional from start to finish.
Pepperoni Man
GoogleMay 2026
Above and beyond service went the extra mile to clean up my yard rake and leaf blow just when collecting some brush from my yard
Heather Thomas
GoogleNovember 2025
Absolutely top-notch tree service! They communicate quickly, offer very reasonable prices, and were extremely professional throughout the entire process. The job was completed in a timely manner, and the clean-up afterward was excellent — you’d never know they were even there. Highly recommend this team for any tree work!