At Infinity Accounting & Advisory Services (IAAS), we help short-term rental (STR) and mixed STR + LTR property management businesses gain clarity, control, and confidence over their finances.

We are a Sydney-based Chartered Accounting firm specialising in the unique financial and trust-accounting challenges faced by STR managers — from OTA-driven cash flows and owner payouts, to trust compliance, reconciliation complexity, and scaling pressures.

With over a decade of experience across accounting, financial reporting, and business advisory, we understand that STR finance is not the same as traditional property management or standard small-business bookkeeping. Our work is grounded in real operational realities — high transaction volumes, multiple platforms, timing mismatches, and the growing compliance expectations around trust money.

What sets us apart is simple — we care about how your business actually runs. We take the time to understand your operating model, systems, and growth plans, and work alongside your team to put clear, practical financial structures in place. Our focus is not just on getting the numbers right, but on reducing risk, manual effort, and owner involvement over time.

Whether you need trust accounting support, owner reconciliations, finance process reviews, or ongoing financial oversight, our mission is the same: to give you confidence in your numbers, so you can focus on running and growing your STR business without carrying the financial burden yourself.

At IAAS, we don’t just support your finances — we support your ability to scale sustainably.