Our Management Team

Tony Plummer – Director
Stuart Cannell – General Manager
Declan Kane – Financial Controller
Antony Youngman – Compliance Manager
Cassandra Chapple – Operations Manager

Greg Davie – Residential Contract Manager
Rhys Dwyer – Contract Manager
Joel Sonter – Contract Manager
Martin Howard – Contract Manager


Plateau Trees was established in 1992 and is a well-known arboriculture and landscape maintenance company located in the northern beaches area of Sydney. Since inception, the organisation has grown steadily from a two-man team to an industry leader, employing over 100 people. We have become one of Sydney’s most efficient and reliable arboriculture resources for state and local government bodies. We operate all over the Sydney metropolitan area and on the Central Coast.

Plateau Trees is a specialist arboriculture company with over 25 years’ experience in the tree service industry. We cover the residential, commercial, civil and government sectors with all aspects of tree services. Our staff are trained arborists and horticulturalists who offer expert advice and highly professional tree service, both in the Sydney region and on the Central Coast. We have an extensive range of vehicles, machinery and safety equipment that our employees are trained and experienced in using.

Plateau Trees has undertaken rigorous evaluation and training and we’ve successfully and continuously been awarded Best Practice certification for our quality, safety and environmental systems, and for our commitment to safety, customer care and customer satisfaction.


We have developed an industry-leading safety culture, ensuring our staff and customers are protected from the risks and hazards of our operations.


Our competency review procedures ensure that the team members performing the work have qualifications, skills and training required to completed the works to the high level of quality required.


We recognise our responsibility to lead the way in environmental practices, regularly reviewing our policies to look for new ways to minimise environmental impact.