
Trefolk is a team of 3 enthusiastic, skilled and keen arborists with a passion for the beauty of trees and their behavior. Our mission is to stimulate the interaction between trees and people, and to emphasize the importance of trees in urban environments. We stand for quality and safe work, transparency and clear, honest communication with our customers.




Andreas Borgen
General Manager & FUA Certified Arborist




Eva Xantippe Plaetinck
Co-Owner & ETW Certified Arborist




Gilles Droogmans
Co-owner & Arborist
Educated at Hordaland Vocational School (FHI-Arborist 2018-20).
Specialty: Climbing and pruning in inaccessible places. Fruit trees and structural pruning. Planting and moving trees.
ETW certified (European Tree Worker) and educated at BSBB (Belgian School for Tree Care & Management).
Specialty: climbing and delicate pruning on the thinnest trees and branches. Condition assessment of trees and diagnosis of rot and fungi.
Specialty: Large trees and felling trees in difficult and inaccessible places. Calculation and implementation of cabling and bracing systems. Good with machines. Educated and trained in safe working at height.