Investment Management: It has two general definitions, one associating to advisory services and the other associated to corporate finance.
In the initial instance, a financial advisor or services company gives investment management by coordinating and overseeing a client's financial portfolio -- example, budgets, investments, accounts, taxes and insurance.
In corporate finance, investment management is the procedure of making sure that a company's tangible and in-tangible assets are sustained, accounted for, and put to their maximum and greatest use.