Investment banking is a financial service provided by a finance company or investment banks to help the Government, organisation, investor, and clients in their investment plan. Investment bank work as intermediaries between the investor and the clients, providing advice or guidance based on their understanding to both the parties. It is a financial service that seeks to raise money form government, organisations, and individuals. One of the services that provided by investment banking is underwriting, which requires demanding price ranges equity on behalf of consumer or traders in the form of debt. Investment banks also underwrite other things, which include stocks, through an Initial public offering or any later secondary public offering. Underwriting security facilitates the view of the organization underlying worth relative to the chance of financing IPO, and undertake market research and analysis to aid in making its investment choices for the bank and its clients.