RPM Pawnbrokers Ltd started trading in December 2009 and are a part of Refined Precious Metals Ltd. (RPM) RPM Ltd. are bullion dealers, precious metal refiners and assayers who have been established in Hatton Garden for over 20 years and have an impeccable reputation with both trade and public customers. We are holders of the necessary Consumer Credit Licence and are members of the National Pawnbrokers Association.