Investment companies Madison Dearborn Partners, HPS and Abu Dhabi Investment Authority agreed to invest in The Ardonagh Group, a firm that provides broking and underwriting services, at $7.5bn valuation. MDP will increase their shareholding in the group, HPS will reinvest, ADIA and several other large global institutions will also acquire more than $1bn equity. "The recommitment of both HPS and MDP continues a partnership that has helped Ardonagh grow into an international broking powerhouse. Continuity of ownership after six years is the optimum outcome for us, allowing management to focus solely on the execution of our strategy and the preservation of the unique Ardonagh culture. We are also delighted to welcome HPS and MDP co-investors to the Group. Their global, long-term ambitions are perfectly aligned with our own and those of our other shareholders, securing our goal of being a private enterprise for years to come,” David Ross, Ardonagh CEO.