Four certified arborists now on staff!

Ottawa West (613) 291-3311
Ottawa East (613) 834-3922

About the I.S.A. Certification

At Ottawa Tree Surgeons we pride ourselves with our extremely professional and educated staff; that includes four I.S.A. Certified Arborists. The I.S.A. promotes professional practice of the arboriculture and forestry industries. Their goal is to create a better awareness of the benefit on getting a professional arborist take care of any tree problems you might encounter.

Ottawa Tree Surgeons Management

OTS Management

Robert Kok - Owner, I.S.A. Certified Arborist #PN-0674A, Forestry Technologist, Tree Risk Assessment Qualified
Nathalie Kok - Owner, Treasurer
Steven Chapman - I.S.A. Certified Arborist #ON-1005A, Supervisor, Forestry Technician, Tree Risk Assessment Qualified