Mark Sissoev
Senior Manager - Busselton

Mark Sissoev is a Senior Manager in our Busselton office.

Mark has helped hundreds of owner-managed businesses to prosper and assists them to financially handle the challenges of growth.

Prior to joining RSM, Mark operated his own accountancy business in Busselton, which means he knows the finer points of running a business. His unique and proven approach to tackling even the most complex financial situations any business can face helped him to create and develop his accountancy firm into one of Australia’s most forward-thinking firms.

“I enjoy helping clients achieve their long-term life goals; from financing their operations and purchasing a premise through to SMSF, maximizing profitability and exit-strategies.”

Not content with just providing sound financial and tax expertise to his clients, Mark has extensive knowledge in the following areas:

Mark is also passionate about family businesses; he grew up on his family’s farm working in the potato fields and helping with wool production.  


  •    Growing your sales and customer base
  •    Managing your cashflow and profits
  •    Taxation advice
  •    MYOB, XERO and cloud accounting solutions
  •    Business acquisition, sales and exit strategies
  •    Succession planning


  •    Mark runs numerous seminars each year detailing the latest online accounting trends and specific digital accounting and cloud programs.


  •    Member, CA Australia


  •    Bachelor of Business – Double Major in Accounting and Public Practice
  •    Xero certified advisor