Aquiline Capital Partners, a private investment firm based in New York and London, completed the investment in PrimePay, a national payroll, human capital management, and benefit services company. Financial terms were not disclosed. "Bill and his team have built a well-positioned business that is recognized and respected throughout the industry, which is a testament to their entrepreneurial approach, commitment to personal service, determination and vision. We look forward to helping PrimePay continue to grow across the HCM sector," Jeff Greenberg, Aquiline Capital Partners Chairman and CEO.