Firm Members


BA (Accounting)  Chartered Tax Advisor  FCPA

Stephen is the principal of the firm and has over 40 years experience in taxation and 30 years in public practice. He specialises in Business Advising and Taxation. He has a long term involvement in community affairs and currently holds several board positions on Not For Profit Organisations involving vocational training, Disability Employment Services and job placement.



B Commerce (Accounting)     CPA     SSAud

DIP Financial Planning  

Kimani was a partner in a Nairobi based CPA (Kenya) practice prior to migrating to Australia in 2004. His audit career working for PKF, PWC, KGA and various international donor aid agencies enhances the practice’s core competency in the provision of  Audit Services to charities, religious & not for profit entities, vocational institutions, schools, SMSFs and the real estate industry, etc. 

Kimani holds a CPA Australia Public Practice Certificate, is a Registered Tax Agent, an ASIC registered SMSF Auditor and also holds a limited Australia Financial Services Licence for the provision of strategic and compliance advice services to the self-managed superannuation funds industry.


B Business (Marketing)    CPA   SMSF Auditor

Master of Business (Accountancy) 

Ace qualified as a Bachelor of Business (Marketing) in his early life as a student in Thailand. Arriving in Australia in 2006, he obtained his accounting qualification in 2009 through the University Of South Australia.

As well as a taxation consultant and advisor to Small Businesses and Software Support Specialist, Ace is a Self Managed Superannuation Funds Auditor, holds a Public Practice Certificate as a CPA and is a Registered Tax Agent.



Master of Professional Accounting  GRAD Diploma (Management)  

Bachelor of Finance     Bachelor of Accounting

Jack graduated in China  as a Bachelor of Finance, Bachelor of Accounting and completed his Masters Degree in Professional Accounting at the University of Adelaide in 2013 and a Graduate Diploma of management in 2014. He is currently working towards his CPA Qualification and has extensive knowledge and skills in Business Software Applications which he applies in training and support services to our clients.

Jack provides direct and online support to clients in the fields of Accounting Taxation, Bookkeeping and Business Compliance.


Advanced Diploma in Accounting  

Certificate IV in bookkeeping

Danni began working with Tonkin Accounting in 2016 and is currently employed part time as a trainee Accountant. She provides valuable support work in information analysis and calculations in the areas of GST and Taxation and in the preparation of financial reports.

She currently holds a Certificate IV in Bookkeeping and an Advanced Diploma in Accounting, Membership of the Association of Accounting Technicians and currently holds a Commonwealth Scholarship pursuing a Degree in Accounting.

Danni has a strong interest in the Disability Sector and is currently developing plan management services systems to assist participants and clients of the National Disability Insurance Agency as part of her role in the practice.



Viv has been working in administration in the practice since 2002.

Her responsibilities include reception, office administration and client support in a job share capacity.


Barb joined the firm in 2006 after extensive experience in running a small business and in administration roles.

She job shares in reception, office administration and client support




Our most recently appointed staff member who provides great back up to our administration staff.

Sam maintains file recordsfor all client digital reports and documents emanating from the ATO and other sources and is responsible for general file management and correspondence.

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