TREEangle. Tree Care – Consulting – Forestry.

WELCOME, I am Christoph and I am an arborist and forester. Find more information about me and the company TREEangle here.

Arborist Christophe Lachenmair pruning a tree.

About Us

TREEangle is a full range tree service and consulting company working with urban trees in all capacities.

Furthermore TREEangle advises on the management and sustainability of a whole forest and agro-forestry systems.

The company is based in Toronto, Canada and is owned and operated by Christoph Lachenmair.

Tree Care

For homeowners and businesses in need of specialist tree care including pruning, removal and cabling.


For developers, businesses and homeowners who are working on construction projects; for anyone who needs a specialist to help navigate and fulfill tree-related issues and regulations.


Support and services for anyone managing the care and future growth of a forest.