About Us
The Directors Troy Johnson and Jeremy Eddison are readily available throughout the day to address any concerns. We prioritise proactive service and aim to foster strong working and personal relationships. Our dedicated professional staff consistently maintain our high standard of support. Our recently retired founding Partner Graeme Cox is also never too far away and drops by regularly and still engages with the firm on a consultancy basis
Troy D Johnson
Director
B Bus (Acc) M Comm, CA
Registered Tax Agent
With more than 25 years of experience at Hartmann-Cox, and over 15 years as Partner of Hartmann-Cox, Troy has actively contributing to the success of the firm.
Troy has developed a deep understanding of the pivotal role that astute advice plays in supporting business owners and investors in making informed decisions. Valuing the connections established with clients and embraces the opportunity to offer valuable assistance and guidance.
Jeremy M Eddison
Director
B.Com.(Acc&Fin), CA
Jeremy commenced his journey with Hartmann-Cox in 2009 and has since progressed to the position of director in 2023.
Throughout his tenure, Jeremy has amassed a wealth of knowledge and proficiency in Business Services, Taxation, and Self-Managed Superannuation. His experience spans across a variety of industries, catering to the needs of small to medium-sized clients.
Jeremy places great value on building strong relationships with his clients. By offering support and guidance, he assists them in navigating the various stages of their business ventures to help them achieve their goals. Jeremy takes pride in the success of his clients and remains dedicated to their growth and prosperity.

Meet the Team
Timothy
Senior Accountant
With us since August 2014
Cara
Senior Accountant
With us since October 2017
Julie
Senior Accountant
With us since February 2019
Lucy
Senior Accountant
With us since August 2013
Abbey
Accountant
With us since July 2023
Joanna
Accountant
With us since February 2023
Arthur
Accountant
Returned February 2025
Saujanaya
Accountant
With us since January 2024
Hong-Yi
Accountant
With us since August 2024
Bernard
Accountant
With us since August 2024
Melina
Practice Manager
With us since October 2013
Lisa
Office Support
Returned September 2021