Public investors can purchase IPOs through their regular investment channels, although they will need to act fast to take advantage of the initial low IPO costs. Businesses can take advantage of IPOs simply by offering public shares on the market. To do this, they require a corporate lawyer, transparent business and financial practices, and an investment banker. They also need a medium -- usually a stock exchange -- to actually sell the shares. Most businesses additionally hire marketers or someone who can advertise or market the stock.

What are the Benefits of IPOs?

For businesses, stocks and shares are a fast way to raise revenue for business expansion and growth. They also can take a business to the next level. By becoming a publicly traded company a business can take advantage of new, larger opportunities and can start working towards incorporation and even worldwide expansion. IPO gives a company fast access to public capital. Even though public offering can be costly and time consuming, the tradeoffs are very appealing to companies. IPOs are also a relatively low risk for businesses and have the potential for huge gains and for huge opportunities. The more investors wish to invest in a company, the more the company stands to or from IPOs and other stock offerings.

For the investor, IPOs are attractive mainly because they may be undervalued. Initially, to make IPOs more attractive, many companies will offer their initial public offering at a low rate. This helps to encourage investors, and investors will often buy IPOs, thinking that the new company or the newly public company will be the next big thing with a huge profit margin. As prices grow and demand for the IPOs grows, early investors stand to make a lot of profit -- and very quickly.

If you hope to invest in companies, understanding the answer to the question what is an IPO? is essential to your success. An initial public offering, the first time a company offers shares to the general public, is a great way to start building profit. Since IPOs are in some cases undervalued they can often be sold with it a short period for good profit.