Impartial advice

Treecology provides expert tree advice and arborist reports for tree owners, developers, landscape architects, property managers, and councils across New Zealand. Larger clients include Wellington City Council, Palmerston North City Council, Kapiti Coast Council, Isthmus Group, Local Collective, The Wellington Company, Heritage New Zealand, Department of Conservations, Higgins, Egmont Dixon, and Kāinga Ora.

We have plenty of experience navigating notable and protected tree issues, and risk and safety assessments. We are recommended as Consultant Arborists by many Councils and provide advice on small and large scale development. We will listen carefully to your requirements and help you achieve the the best possible and most efficient outcomes. Tom Partridge, our Senior Consultant Arborist, has over 25 years experience as a consultant, climbing arborist, council tree officer. and has a Level 6 Arboriculture Diploma.

Ring us on 021 0263 9129 or email treecologynz@yahoo.com for a no-obligation discussion or site visit.


Our services

Tree risk assessments

Tree surveys

Tree valuations

Tree root issues

Decay and disease diagnosis

Management plans

Procure arborist quotes

Planting plans

Planting specifications

Tree selection

Soil analysis

Soil compaction assessment

Tree care advice

GPS plotting

Species identification

Tree condition records

GIS mapping

Tree Protection Plans

Tree measurement

Resource consent applications

District Plan tree chapter reviews

Arb Impact Assessments

Peer review arborist reports

Notable and Heritage Tree evaluations

Expert witness for hearings


Recent projects

See some of the things we do and who we get to work with.


About us

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Treecology operates mainly throughout the lower North Island and Upper South Island to include Taupo, Hawkes Bay, Palmerston North, Manawatu, Wairarapa, Hutt, Kapiti, Wellington, Nelson - Marlborough, Christchurch and Canterbury. We also work anywhere in New Zealand on large projects . We have great networks and can bring project teams together to meet your requirements.

Senior Consultant Tom Partridge founded Treecology in 2009. He has over 25 years of experience in the ‘arb world’ in the UK and New Zealand. He’s been a Climbing Arborist, and Arboricultural Officer for councils, and a Consultant Arborist.

Tom is a member of the New Zealand Arboricultural Association, and is Tree Risk Assessment Certified by the International Society of Arboriculture. He is recommended as a consulting arborist by many councils including Wellington, Palmerston North, and Kapiti Coast. Treecology has full Professional Indemnity Insurance.

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Using Resistograph to assess tree decay

Using Resistograph to assess tree decay