Core Principles
About ArborManagers™
Straight talk. Safer trees. Informed decisions.
Who we are
ArborManagers™ is an independent arboricultural assessment firm based in Ocala, Florida. Led by Harry Doyle, ISA Certified Arborist (FL-9539A), we provide clear, practical guidance grounded in recognized industry standards.
What we do
Unbiased tree risk assessments, site surveys, planning recommendations, and defensible documentation for homeowners, HOAs, builders, commercial properties, and municipalities.
Where we work
Central Florida, with Ocala as our home base.
How we work (simple process)
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Assessment – On-site observations, photos, and measurements as appropriate.
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Documentation – Structured reports with findings, rationale, and next steps.
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Options – Practical mitigation paths (pruning, support systems, monitoring, or removal when warranted).
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Follow-Up – Timelines and maintenance guidance aligned with site use and goals.
Core Principles
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Safety Above All
Human life is paramount. We identify unacceptable risk plainly when it exists. -
Assessment-Only Role
Our focus is to assess and document. Period. -
Standards-Driven Practice
Methods align with ISA and ANSI A300 best practices. -
Clarity Over Jargon
Technical issues explained in plain language so you can act with confidence. -
Documentation You Can Rely On
Reports are readable, structured, and defensible, supported by observations, photos, and a clear rationale for each recommendation. -
Transparent Limits
We state scope, site constraints, and uncertainties up front. If further investigation is needed (e.g., excavation to confirm root impact), we say so. -
Stewardship & Practicality
We balance risk, tree health, site use, and client goals, to preserve when responsible or remove when necessary. -
Ethics & Respect
Professional conduct and respect for people, property, and privacy on every site and in every document. -
Community Education
Equipping the public with knowledge so decisions about trees are informed, responsible, and safe. -
Continuous Improvement
We stay current with evolving practices and technology and refine our processes accordingly.
Our promise
We’ll tell you what we see, why it matters, and what to do next; clearly, honestly, and with safety at the center. If a condition presents unacceptable risk, we will say so. If a tree can be preserved responsibly, we will show you how.
Harry Doyle
ISA Certified Arborist® FL-9539A
Consulting Arborist | ArborManagers™
Services We Offer
Tree Health Assessments
Risk Assessments & Monitoring
Tree Surveys
Condition Ratings & Reporting
Arborist Letters & Documentation
Tree Protection Planning
Storm Readiness Evaluations
Field Services Oversight
Cities & Areas We Proudly Serve
Ocala Florida
Summerfield Florida
Belleview Florida
The Villages Florida
Brooksville Florida
Inverness Florida
Lady Lake Florida
Crystal River Florida
Leesburg Florida
Wildwood Florida
Dunnellon Florida
Citrus Springs Florida
Bushnell Florida
Clermont Florida
Eustis Florida
Mt Dora Florida

Tree Risk Assessments
Every year defective trees claim lives and cause damage to property, which many times could have been prevented.
A Tree Risk Assessment is a vital part of caring for your family, business and property, because it provides you with the necessary information you need to make the best decisions concerning your trees.
Our Certified Arborists are continually educated and trained and can provide you with a written assessment of your Ocala Florida trees.