Mercer, previously known as Mercer Human Resource Consulting, is one of the largest providers of human resource solutions worldwide. It staffs a team of more than 15,000 employees with operations in over 40 countries. Established in 1937 as the employee benefits department of Marsh & McLennan, the company provides advisory services on issues related to mergers and acquisitions, joint ventures, initial public offerings, spin-offs, divestitures, start-ups and business transformations. Mercer offers outsourcing, investment management and consulting services. With more than 4,800 retirement consultants, it provides a range of retirement solutions. The company conducts surveys on various employee benefit-related issues. Mercer also offers client strategy, vendor management, financial reporting, evaluation, regulatory compliance and communication services. It is a part of MMC, which provides financial services worldwide. The company maintains a location in Milwaukee.