The Guardian Media Group, owners of the Guardian, Observer, Jazz FM and the Real Radio franchises, have taken a shareholding in UBC Media Group, the UK's largest independent radio producer.
Announcing the deal UBC CEO Simon Cole told Media Guardian: "We are delighted to welcome Guardian Media Group as a shareholder in UBC, as it further cements a long-standing commercial relationship between the two companies."
UBC's packaged radio programmes include Entertainment News and Bloomberg Business News.