Cash is king
Cash investments are generally short term obligations that provide a return in the form of interest payments. This type of investment is one of the safest investment types of all, but it usually offers one of the lowest financial returns.
Cash investments are usually fixed term deposits and are typically used by people looking to invest their own money without much risk.
There are a host of potential institutions which offer a range of cash investment options, which one is best for you depends on the level of risk and the amount of money you are looking to invest.