About The Arborist Group
Reports and consulting. That's all we do.
Independent ISA Certified Arborist practice serving Southern Ontario since 2013.
Reports and consulting. That's all we do.
The Arborist Group is an ISA Certified Arborist practice focused exclusively on arborist reports and consulting services across Southern Ontario. We don't remove trees, sell tree care services, or do any hands-on work. Every report we write is an independent, objective assessment.
Since 2013, we've prepared more than 4,500 arborist reports for municipalities across the region. Our clients include homeowners applying for tree removal permits, builders managing construction near protected trees, and contractors dealing with stop work orders or bylaw compliance issues.
Because we only do reports, municipalities trust our assessments. There's no financial incentive for us to recommend removal over preservation, or vice versa. The report reflects what we find on site, written to meet each city's specific bylaw requirements.
Professional Credentials
Sergiy Litvinov (ISA Certified Arborist, #ON-2281A) leads all report work at The Arborist Group.
ISA Certified Arborist
International Society of Arboriculture
The industry standard for professional tree care. ISA certification requires passing a written exam and maintaining ongoing education in arboriculture, tree biology, and risk assessment.
ISA Ontario Chapter Member
ISA Ontario
Active membership in the Ontario chapter keeps us current with provincial regulations, local species knowledge, and best practices specific to Ontario's climate and municipal bylaws.
ASCA Member
American Society of Consulting Arborists
ASCA membership reflects a focus on consulting and report writing rather than hands-on tree work. ASCA arborists specialize in objective assessments, appraisals, and expert documentation.
See our full credential details and verification links at arboristgroup.com/credentials.
Why independence matters
We don't remove trees or sell tree care services. The only product is the report, so there's no incentive to push any particular outcome.
- No conflict of interest Our assessment reflects what we find on site, not what maximizes revenue.
- Municipalities trust our work City forestry departments treat independent consulting arborists differently than companies that also do the removal.
- City-specific reports Toronto Chapter 813, Mississauga 15 cm threshold, Oakville heritage tree protections. Every report meets that city's standards.
Serving Southern Ontario
We cover Toronto, Mississauga, Markham, Oakville, Brampton, Burlington, Hamilton, Richmond Hill, Vaughan, York Region, Caledon, Pickering, King, TRCA, and surrounding municipalities across Southern Ontario.
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Contact Information
ISA Certified Arborist · ISA Member · ISA Ontario Member · ASCA Member
Our guarantee: your report within 2 business days of the site visit, or it's free.