Taxation
Ownership
Shareholder rights
C Corp
C corp income is taxed twice, once to the business and once to the shareholder.
C corps have no limit on shareholders and also allows you to bring in foreign investors.
C corp shareholders get the benefit of preferred stock, should the corporation choose to distribute them. Preferred stock may not come with voting rights, but it can include guaranteed dividends.
S Corp
S corp income is taxed once to the shareholder.
For S corps, you can't have more than 100 shareholders and they must be U.S. citizens or permanent residents.
An S corp can only issue common stock because common stock shareholders get voting rights. No one has preferred status—all shareholders are treated equally.