Smooth Radio is a wholly owned subsidiary of GMG Radio Holdings Limited. GMG Radio is one of the UK's largest radio groups and operates stations across the UK under the brands of Real Radio, Smooth Radio & Rock Radio. More information about the group, it's stations and latest news & information can be found on the GMG Radio Website. GMG Radio is a wholly owned subsidiary of Guardian Media Group plc ('GMG'). Guardian Media Group is one of the UK's leading multimedia companies. Its diverse portfolio includes: Guardian News & Media: the Guardian and Observer newspapers and the Guardian Unlimited ...