SPECIALIST health sector recruitment provider Castlerock Recruitment has bought a controlling 51% stake in a London-based business.Castlerock, which is backed by YFM Equity Partners, has invested in Serving the Nation Locums, a Shephers Bush-based business suppling medical locums and social workers.The £15m turnover company says the transaction, for an undisclosed sum, will support its growth and broaden the range of services and locations it supplies.Chief executive Ian Munro, said: “This deal provides us with a fantas......for the full story register now for free or login below...