Tree Department Consulting Arborists

Welcome to Tree Department

Tree Department are consultant arborists with offices in Canberra and Melbourne. We provide professional arboricultural services including tree risk assessments, planning reports, management plans and heritage assessments for clients big and small.

Simon Howe


Established by Simon Howe in 2019, Tree Department is a collective of allied arboricultural consultants. We work throughout Melbourne and regional Victoria, providing advice on single trees to broad-scale infrastructure projects.


Sean Gentry


Now with additional Canberra!
Based in Canberra, we service all parts of the ACT and southern New South Wales.
Recently relocating back to his home town, Sean Gentry leads our Canberra office.


What We Do

Our clients include home owners, residential and commercial developers, schools,  property managers and government agencies.

Private Clients

• Health and condition reports
• Tree management plans
• Tree risk assessments using QTRA or TRAQ  (Tilt sensors Sonic tomographs, Aerial Inspections)
• Tree removal applications


• Tree risk assessments/Tree audits
• Tree management plans

Government Agencies

• Tree Inventories / data collection 
• Planning referrals 
• Environmental impact assessments
• Risk Assessments
• GPS vegetation mapping 


Architects, Planners, Builders
• Preliminary Tree Assessments / Due diligence
• Development impact assessments
• Tree management plans
• Construction Supervision and Certification
• Expert Witness Statements
• Tree Root Investigations

* We do not carry out pruning or removal work so our opinions are unbiased.
We have no conflict of interest when making recommendations.