terrible service and no delivery of goods

Such terrible service, or lack thereof!! Can't speak to anyoneat their call centre, it just cuts out or asks you to leave a message. Ordered on 9 March, 5-7 working day delivery. Now my order status is delivered yet it has not been. Call centre asks you to leave messages....no one gets back to you. Website is useless . Basically once youve ordered your money has gone and you can't track it.