Holding company, Aon Corporation, operates subsidiaries in three separate areas: insurance brokerage and other services, consulting and insurance underwriting. The group is recognised as one of the world's leading providers of risk management, insurance and reinsurance brokerage, human capital and management consulting, and specialty insurance underwriting. Aon’s consulting business also provides a full range of human capital management services utilising five practices: employee benefits, compensation, management consulting, outsourcing and communications.