Expert Summary
Stop tracking points redeemed. Calculate the increase in average order value (AOV) and purchase frequency of loyalty members versus non-members. Subtract the programme’s operating costs and reward liabilities. In 2026, with acquisition costs soaring, the real ROI is the reduction in your blended Customer Acquisition Cost (CAC).
The Situation in 2026
Australian businesses are getting hammered by rising click costs and AI-driven search shifts that hide traditional organic paths. When it costs $40 to acquire one lead, losing a repeat customer to a competitor is a catastrophic waste of capital.
Key Considerations
- Quantify Churn Reduction: Use the formula (Lost Customers ÷ Total Customers at Start) x 100. Across our client work, we’ve found that if a loyalty programme drops churn from 10% to 5%, the ROI is the total revenue of those saved customers minus the cost of the rewards.
- Segment Your Profitability: Many Australian SMEs treat all loyalty members the same. We’ve seen ROI tank when businesses subsidise ‘bargain hunters’ with rewards they would have used anyway. You must reward high-margin behaviours, not just any transaction.
- Reward Usage, Not Just Spend: Retention is about ensuring customers actually use what you sell. If your programme rewards spend but ignores product usage, you are ignoring the primary driver of loyalty. Reward the habits that make your product indispensable.
- Measure the Advocacy Lift: Sustainable growth comes from turning customers into brand advocates. Calculate the number of referrals coming specifically from loyalty members; the ROI is the saved acquisition cost for every new customer they bring in for free.
| Metric | How to Measure ROI Impact |
|---|---|
| AOV | Member spend vs Non-member spend |
| Frequency | Orders per year: Members vs Non-members |
| Churn Rate | % drop in lost customers post-launch |
| CAC | Reduction in ad spend due to referrals |
ROI and Growth Perspective
ROI Growth Agency focuses on the delta between member and non-member lifetime value. To move the needle, stop guessing and map your customer journey to see exactly where churn happens. This allows you to deploy ‘surprise and delight’ tactics at the specific moment a customer is most likely to leave.
Published by ROI.COM.AU — Australia’s business growth resource.