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Business Details
27 Years
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Emergency
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Professional Tree Care Services in Ontario
King Tree Service was founded in 1999 by Thomas and Beth Amorim, combining over 40 years of collective horticultural expertise with a deep commitment to environmental stewardship. Born from Thomas's formal training at Niagara Parks School of Horticulture and our family's history of sustainable land management, we specialize in certified arboricultural practices that balance technical precision with ecological mindfulness. Our team brings a scientific approach to tree care, offering diagnostics, pruning, and removal services that prioritize both client safety and ecosystem health across Ontario.

As Canada's first pesticide-free tree service provider, we champion native plant species and organic maintenance techniques while developing innovative tools like RopeArmour for safer tree access. Our clients benefit from our dual focus on education and executionwhether through property-specific consultations, community reforestation projects, or training programs that share our industry expertise.
Services
Tree Pruning Stump Grinding Tree Removal Disease Diagnosis Hazard Assessment
Details
  • Year established: 1999
Highlights and features
  • Our arborists have over 20 years of formal education and practical experience in horticulture
  • We pioneered Canada's first pesticide-free tree care methodology
  • We developed innovative tools like RopeArmour for safer tree access
  • Our ISA-certified experts diagnose and treat tree health issues scientifically
  • We maintain $49+HST hazard tree assessments with detailed recommendations
Associations and certifications
  • International Society of Arboriculture
  • Niagara Parks School of Horticulture
What people say
Amazing knowledge of their trade Preserved tree value effectively Saved me thousands Thorough assessments Professional execution
Services
Tree Removal
Professional tree removal services prioritize property safety and environmental considerations. Using cranes, aerial lifts, and specialized rigging equipment, we safely remove hazardous trees of all sizes while minimizing damage to surrounding landscapes. Our certified arborists assess tree stability and employ strategic sectioning techniques to ensure controlled dismantling. This service protects properties from potential damage while maintaining ecological balance through responsible debris management.
Tree Pruning
Scientific pruning techniques enhance tree health and structural integrity. Our ISA-certified experts perform precision trimming that promotes optimal growth patterns while addressing safety concerns. We utilize both traditional and rope-access methods to shape trees according to species-specific requirements, improving light penetration and air circulation. This service extends tree longevity while reducing storm damage risks through strategic branch reduction and deadwood removal.
Tree Diagnosis
Comprehensive tree health evaluations identify biotic and abiotic stress factors affecting urban trees. Through soil analysis, canopy inspection, and pest identification, we determine underlying causes of decline using science-based diagnostic protocols. Our reports include actionable recommendations for treatment and prevention, addressing issues like emerald ash borer infestations or root system damage. This service helps property owners make informed decisions about tree maintenance or removal.
Stump Grinding
Professional stump removal services eliminate tree remnants and restore usable land space. Using specialized grinding equipment, we remove stumps to below-ground level while maintaining root system integrity. This service prevents tripping hazards, eliminates pest infestations, and prepares sites for replanting or landscaping. We handle stumps of all sizes while preserving surrounding vegetation and soil structure.
Health Care
Customized tree health programs address specific soil and environmental conditions. Through targeted aeration, organic mulching, and strategic watering techniques, we improve root health and nutrient absorption. Our holistic approach combines traditional horticultural practices with modern soil science to combat urban stress factors. This service strengthens tree defenses against pests and diseases while promoting long-term vitality.
People
Thomas Amorim
Certified Arborist
Graduate of Niagara Parks School of Horticulture with 20+ years experience in arboriculture. Inventor of RopeArmour tree access system, recognized for environmental stewardship awards and community education programs. Specializes in hazardous tree assessment.
Beth Sullivan Amorim
General Manager
Co-founder with horticultural expertise and business management experience. Coordinates daily operations and client communications while implementing sustainable landscaping practices. Leads community engagement initiatives and customer service operations.
Questions
Do I need a permit to remove trees in Cambridge?
Cambridge enforces private tree bylaws - we provide current regulation guidance and help ensure compliance during removal processes.
Can you plant new trees after removal?
We source quality nursery stock and provide proper planting techniques for long-term tree health and landscape success.
What tree diagnosis methods do you use?
Our science-based approach combines soil testing, canopy inspection, and pest identification to create treatment plans for tree health improvement.
How do you handle large tree removals?
We use cranes, aerial lifts, and technical rigging for safe dismantling of large trees while protecting surrounding property and ecosystems.
What stump removal options exist?
Our equipment grinds stumps below-grade level. We offer complete removal or firewood-length cutting options based on customer preference.
Are your services eco-friendly?
We pioneered Canada's first pesticide-free tree care methodology and actively promote native plant species in all our operations.