
I Specialise In Helping Finance Managers Move From Spreadsheet Chaos to a Single Source of Truth
Are you spending more time questioning your data than actually using it to run your business?
Marius du Plessis is a Melbourne-based Chartered Accountant and business systems consultant who helps finance managers and CFOs at established Australian SMEs replace disconnected spreadsheets and manual workflows with integrated, automated systems so they can stop firefighting and start being the trusted strategic partner their executive team needs.
If you're interested in having complete confidence in your numbers and a seat at the leadership table, book a 15-minute call using the box below.
15+ Years' Experience・$71.6M Managed・5,000+ Hours Saved
15+ Years' Experience
$71.6M Managed
5,000+ Hours Saved
Marius du Plessis is the founder and principal consultant of Beansuite Pty Ltd, an Australian business systems and automation consultancy. As a Chartered Accountant with over 15 years of experience across accounting, financial management, auditing and business process improvement, he has held senior roles at BDO, FCTG and CBM Australia, across both Australia and South Africa.
His expertise spans financial systems and process automation, business operations and workflow optimization, systems integration and data management, financial reporting and management insights, contract management and compliance, project and operational tracking, and no-code development using tools such as Airtable, Make, Salesforce and Xero.
His experience as a Finance Manager, Financial Controller and Audit Senior Manager, combined with the technical ability to personally design and build business systems, gives him a fully rounded understanding of what it actually takes to move a finance team from data chaos to data confidence.
Marius's clients include Smart Energy Group, CBM Australia, HIVSA and Anova Health Institute, spanning renewable energy, travel, healthcare, international development and financial services across Australia and South Africa. He has helped them achieve an 80% reduction in reporting time, a 60% reduction in grant management reporting time, and manage payables and commissions representing over 70% of a company's cost of sales through fully automated systems.
Start with a free 15-minute Fit Call
A short conversation about your biggest business systems challenge and whether Beansuite can help.
Together, we’ll:
Discuss your main frustration with spreadsheets, disconnected systems or manual processes.
Understand the impact on your team’s time, financial visibility or day-to-day operations.
Briefly explore your current setup and what you’d like to work better.
Decide whether a Business Systems Gap Review is the right next step for your business.
If we’re a good fit, the Business Systems Gap Review gives us time to look more closely at where information stops flowing, why manual work is being created, and what practical improvements could look like.
You don’t need a project plan, a defined IT budget or a solution in mind. Just bring the business problem.
What Others Are Saying

The installer payables system is one of our most advanced workflows, providing a foundation for streamlined invoice processing and scalable, integrated automation across the organisation.
Torin Falcongreen
Head of AI

Marius is a strategic thinker with an exceptional ability to translate complex issues and legislation into effective operational strategies. His professionalism, integrity and quality of work are outstanding.
Jean Armstrong
CEO

We’ve worked with Marius for over two years. His ability to understand complex operational processes and develop tailored systems that ensure accountability and compliance is outstanding.
Peter Uther
Operations Manager
