HAMILTON, Bermuda, Aug. 13, 2018 /PRNewswire/ -- Apex Group Ltd. ("Apex"), one of the world's largest fund administrators, and Genstar Capital jointly announced today the acquisition of Custom House, a leading global hedge fund administrator delivering services to alternative investment managers across Europe, Asia and the Americas. The acquisition adds a further $24 billion in assets under administration to the Group's portfolio and is a strong strategic and cultural fit given its independent business model and focus on delivering a personal approach customer service. The addition of the Custom House business bolsters Apex's existing hedge fund service arm.