Communicorp UK has signed a management contract with Connect FM and Heart Hertfordshire to provide extra support.
Manchester-based Communicorp will provide help in a number of departments, including sales, technology, training and other group services.
Adventure Radio’s Radio Essex is not included in the agreement although sales training and development is being provided for the team in Essex.
Communicorp UK was created in 2014 and is the fourth largest commercial radio group in the UK, owning Capital in Scotland and South Wales, Heart in Yorkshire and North Wales; Smooth Radio in the North East, North West and East Midlands as well as XS Manchester.
Adventure Radio, based in Southend-on-Sea, owns Heart Hertfordshire, Connect FM and Radio Essex.