Mary Havellas

Mary Havellas is an experienced bookkeeping and accounting professional with more than 20 years of experience across banking, finance, and bookkeeping. She holds a Bachelor of Accounting and a Certificate IV in Bookkeeping, and is a registered BAS Agent, MYOB Diamond Partner, certified Xero partner, Associate of the Institute of Certified Bookkeepers (ICB), and Director of Havellco Bookkeeping Services.

Passionate about helping small business owners and aspiring bookkeepers build confidence with accounting systems and financial processes, Mary brings extensive real-world industry experience into the classroom. She enjoys helping students develop practical skills that can be applied immediately in workplaces, businesses, and day-to-day bookkeeping tasks.

Known for her patient, supportive, and down-to-earth teaching style, Mary creates a relaxed learning environment where students feel comfortable asking questions and building confidence at their own pace. Her practical approach helps make bookkeeping and accounting software feel approachable, clear, and achievable for learners at all levels.