ISA Certified Arborist
For large or complex work, verify the company has ISA Certified Arborists. Check their certification at isa-arbor.com.
Ontario OHSA Compliance
Commercial tree work must comply with the Ontario Occupational Health and Safety Act. Ensure the company follows safety protocols.
Red Flags to Avoid
- No insurance (minimum $2M liability)
- No visible safety equipment
- No written contract
- Promises to save a clearly dead tree
Emergency Work
Document storm damage with photos first for insurance claims. Contact professionals immediately for safety.