Gresham Private Equity is continuing its push to consolidate the celebrity rights management sector with its portfolio company's acquisition of London-based music management agency Hall or Nothing, which represents artists including the Manic Street Preachers and Pixie Lott.

Gresham-backed entertainment services provider James Grant Group, which has represented clients including Bryan Adams and Sir Bob Geldof, announced the acquisition of Hall or Nothing yesterday for an undisclosed value.