Rocket Music is building up its operations after reaching a joint venture agreement with Black Fox Management, who developed the year’s biggest breakthrough artist Rag’N’Bone Man.

The deal means that Sir Elton John’s music and management company represents both the best-selling debut artist of 2017 and the overall best-selling artist, Ed Sheeran, who’s managed by Stuart Camp.

“We are expanding all parts of the business,” Rocket Music CEO Julian Wright told Music Week. “We have managers and consultants in ...