RSPCA Queensland has revealed it will pay millions of dollars in back wages after discovering that hundreds of employees were underpaid over an extended period, adding the animal welfare organisation to a growing list of Australian employers dealing with payroll compliance issues.

The charity disclosed that an internal review uncovered errors affecting employee pay and entitlements. The underpayments are believed to have occurred across multiple roles and employment classifications, with both current and former staff expected to receive compensation.

According to the organisation, the issue was identified during a review of payroll systems and employment arrangements. Following the discovery, RSPCA Queensland launched a detailed investigation to determine the extent of the underpayments and calculate the amounts owed to affected workers.

The organisation has indicated that the total repayment bill is expected to reach several million dollars. While exact figures continue to be assessed, the underpayments reportedly accumulated over a number of years due to payroll and award interpretation errors.

RSPCA Queensland chief executive officers acknowledged the seriousness of the situation and apologised to employees impacted by the mistakes. The organisation said it was committed to ensuring every affected worker receives the correct entitlement and that repayments would be made as quickly as possible.

The charity stated it had voluntarily informed relevant workplace regulators and was working with external specialists to review payroll practices. Additional auditing processes have also been implemented to prevent similar problems from occurring in the future.

Employee underpayment issues have become increasingly common across Australia in recent years. Major companies, universities, retailers, hospitality businesses and not-for-profit organisations have all faced scrutiny after discovering workers had not received correct wages or entitlements under workplace awards and enterprise agreements.

Workplace experts say payroll systems can become highly complex, particularly for organisations employing staff across multiple classifications, shift structures and award arrangements. Errors can sometimes remain undetected for years before being identified through audits or employee complaints.

For RSPCA Queensland, the announcement comes as the organisation continues its core mission of animal rescue, welfare and adoption services across the state. The charity operates shelters, veterinary services and inspector programs that rely on hundreds of employees and volunteers.

Employee representatives have welcomed the decision to publicly acknowledge the problem and repay affected staff but say workers deserve certainty about when repayments will be completed. Some former employees may also need to be contacted to ensure they receive money owed to them.

The organisation has reassured staff and supporters that animal welfare operations will continue while the payroll remediation process is carried out. Management says improving payroll compliance and rebuilding employee trust will remain a priority.

The case highlights the importance of regular payroll reviews and workplace compliance checks, particularly for large organisations with diverse workforces and complex employment arrangements.