The Consumer Affairs Commission (CAC) secured $27.74 million in payouts for consumers over the period April 2019 to March 2020.
The commission says for the period, it received 1,645 complaints of which 1,377 cases led to compensation.
The disclosure was made by the agency in its annual report which was tabled in the House of Representatives on Tuesday.
The top consumer complaint categories were electrical equipment and appliances which accounted for 30.15 per cent and utilities with 15.95 per cent.
The biggest refund category was automotive at $9.18 million being refunded.
The ‘other services’ category was a distant second with $5.7 million in payouts.
That sector includes medical, laundry, hair, and finance.