What is an ISA-certified arborist?

An ISA-certified arborist is a tree care professional who has demonstrated a comprehensive level of knowledge in the art and science of arboriculture through extensive experience and by passing a rigorous examination. This voluntary, globally recognized certification signifies expertise in tree biology, diagnosis, maintenance practices, and safety protocols.

For a Canadian business owner or consumer, hiring an ISA-certified arborist ensures you are engaging a knowledgeable professional committed to industry best practices and a code of ethics. [cite: 2, 13An ISA-certified arborist is a tree care professional who has demonstrated a comprehensive level of knowledge in the art and science of arboriculture through extensive experience and by passing a rigorous examination. [cite: 13, 9] This voluntary, globally recognized certification signifies expertise in tree biology, diagnosis, maintenance practices, and safety protocols. [cite: 2, 9, 13]

For a Canadian business owner or consumer, hiring an ISA-certified arborist ensures you are engaging a knowledgeable professional committed to industry best practices and a code of ethics. [cite: 2, 13