An electronic product transaction method comprising generating and outputting an interface, the interface comprising a plurality of selectable merchant options, each comprising a link to a plurality of selectable product options for a respective merchant, each product option comprising information on a product offered for sale, rent or hire by the respective merchant; receiving, a selection of a plurality of merchant options and a plurality of product options for the plurality of merchants; generating transaction data identifying the plurality of merchants and the plurality of products, the transaction data including data on commission payable to the merchant aggregator service provider; receiving an instruction from the user to pay for the selected products; and transmitting the transaction data to a payment server to authorize and make payments for the products from the user to the plurality of merchants and payment of the commission to the merchant aggregator service provider.