Do you want to protect personal assets (like your home, car and savings) from lawsuits against your business?
Do you want to raise capital by selling stock to investors?
Do you want to improve the credibility of your business?
Do you want to reduce your individual taxes?
Do you want your business should have perpetual succession?
Do you want your business to be run by more than one person?
Do you want to raise debt funds from other than financial institutions without any restrictions?
Do you plan to list your business on stock exchange?