CLEANBOOKS Business Services Pty. Ltd. (CBS) is an Australian bookkeeping firm that helps businesses of all sizes to keep accurate books and financial records, to save time and money, to grow business, to sort out any existing financial messes, be ATO compliant with all taxes, be in control of business financial affairs and to achieve optimal work/life balance.


Founded in 2012 after more than two decades of work in small business, CLEANBOOKS Business Services Pty. Ltd. (CBS) was created by proprietor Sezgin Lok to help other business people deal with the pain of getting business finances and bookkeeping under control – one of the most stressful parts of running any business, beyond the stresses of simply being in business and serving customers.


Want to get your business financials sorted so you can spend less time fiddling with red tape and more time working on building a better business and building the optimal work/life balance for you and your family? Let us help you today!








Clean Book Services


  • Get those boxes of invoices and statements finally sorted
  • Get your tax affairs in order – ATO Compliance
  • Reconciliation statements, financial reporting, profit and loss
  • Save time and money
  • Create a better work/life balance
  • MYOB and Xero
  • Clean up your books!