At Precision Ledger, we're committed to empowering your financial success. Our expert bookkeeping and accounting services are designed to take the pressure off, giving you peace of mind and the freedom to focus on your goals - growing your business.
From laying the right foundation for your business, to software migration, streamlined bookkeeping, payroll, and BAS lodgements—we’re committed to delivering accurate, reliable support tailored to help small businesses succeed.
CPA Qualified
BAS Agent
Karratha Local
About Us
Mary Hanna
CPA and BAS Agent
Mary is the founder of Precision Ledger, providing accounting and bookkeeping services with a focus on clarity, accuracy and practical support for business owners.
Originally from the Philippines, Mary migrated to Australia in 2013 and has lived in Karratha since 2014. She holds a Bachelor’s Degree in Accounting, is a Certified Practising Accountant (CPA Australia), and a registered BAS Agent.
Mary has developed extensive experience across both the public and private sectors, working in a variety of finance and accounting roles including:
Finance Manager – Blades and Shades Karratha (2025–present)
Senior Accountant – Northwest Accountancy (2023–2025)
Financial Accounting Officer – City of Karratha (2017–2022)
Finance Officer – St Luke’s College Karratha (2014–2017)
More than an accountant, Mary is a trusted business partner who understands the challenges and ambitions of small business owners—and is committed to helping them succeed with confidence and clarity.
