On 5 May 2026, the Reserve Bank of Australia (RBA) lifted the cash rate to 4.35%, and for shift-based businesses already absorbing rising input costs, the decision lands like a hammer on already-thin margins.
The Australian Bureau of Statistics (ABS) recorded the March quarter Consumer Price Index (CPI) at 4.6%, ANZ, CBA, and NAB all forecast this hike weeks out, and ScaleSuite's SME cost research confirms that labour is the first line item owners reach for when pressure builds.
Three consecutive hikes and what they cost you
The RBA has moved fast. From 3.60% at the start of the year, the cash rate climbed to 3.85% in February, to 4.10% in March, and now to 4.35% in May, 75 basis points in four months. For a typical small to medium enterprise (SME) generating $2 million in revenue with 15 staff, ScaleSuite data puts the direct annual cost at $29,000 to $43,000.
But the direct interest burden isn't the whole story. Indirect costs, including supplier tightening, lease escalation tied to CPI clauses, and extended creditor terms, run three to five times the direct interest hit.
Stack Payday Super on top: under current proposals, compulsory super contributions move to a payday model from 1 July 2026, adding an estimated $8,000-$12,000 in working capital pressure for businesses in this revenue band.
The Australian Taxation Office (ATO) is also sitting on a record $105 billion in outstanding business debt, and enforcement activity is accelerating. If you've been managing debt repayments by stretching your super obligations, that runway is closing.