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(02) 7200 2543

Level 10/418A Elizabeth Street
Surry Hills, NSW 2010 

Level 21/567
Collins Street,
Melbourne VIC 2000




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Our People

Michael Wall

Managing Director

Michael Wall is the founder and managing director of Ratio Partners.

Over the years Michael has worked with and advised a number of high profile and award winning performing artists within the media and entertainment industry. Michael has previously been invited to speak at industry events such as "Money In Sport" and has been engaged for expert opinion by various press outlets. 

Michael is a registered tax and ASIC agent, a fellow of the National tax and accountants association and a Justice of the peace for the state of NSW.

For further details and client testimony – please refer to Michael's linkedin profile.




Sarah Campos

Senior Manager

After completing a Bachelor of Commerce (Accounting & Business Law) in 2009 at Curtin University in Perth, Sarah started her career working predominantly with small to medium size business clients.

Whilst completing her CPA she continued her career for a further 5 years in Perth by specailising in taxation and Xero accounting software.

In early 2016, Sarah decided to relocate to Sydney and focus her goals towards management and skills towards clients in the creative industries. She continues this focus at  Ratio Partners as our Senior Manager.





Daniel Sprague

Client Manager

In late 2013 Daniel commenced working as an undergraduate accountant with Michael Wall. Since graduating with a Bachelor of Commerce from the University of New England he has commenced the Chartered Accountants program.

With joining the Ratio team as the Client Manager, Daniel hopes to continue in his goal of developing positive relationships with clients through providing accounting and business expertise.



Julian Ambrose

Client Manager

Julian completed his Bachelor of Business (Accounting) at Swinburne University of Technology in 2016, and began his career in the business advisory sector working with small to medium size businesses.

In mid 2019, Julian relocated to Sydney where his focus moved from tax compliance to the virtual CFO sector. This helped to further advance his knowledge in month end accounts for international subsidiaries as well large corporations.

Julian has recently joined the team at Ratio Partners in the position of Client Manager, where he strives to develop positive relationships with his clients and professional development via his work and post-graduate CA study.



Julia Borshcheva


Julia started her accounting journey in 2017 when she commenced Macquarie University’s Bachelor of Commerce degree with a major in Accounting. Her first position was as an Assistant Accountant in a local business where she was able to get her first experience dealing with accounting tasks.

In 2020 Julia completed her degree at Macquarie University and joined the team at Ratio Partners as an Accountant where she is excited to develop client relationships and grow her prior experience.