Form of Business Organization: Which Should You Choose?

C and S-Corps

The S-Corp (so named from a chapter of the tax code) is a tax device created by federal law in 1958. It is a regular corporation with regular limited liability under state law, whose owners elect pass through status for federal tax purposes. That status requires compliance with a number of often constricting rules but, with some exceptions, complying corporations escape federal corporate tax.

Corporations whose owners don't choose to make the federal S-corp election are called C-corps (after another chapter of the tax code).

Partnerships

Limited Liability Companies (LLCs)

LLCs have become the most popular business form for new entities, and many existing entities have converted to this form. They exist in some form in every state. They embody limited liability features of corporations and pass-through characteristics of partnerships and S-corps, but are more flexible than S-corps.

For business law purposes, LLC members may be either passive investors or active investor-managers. Unlike with limited partnerships, active management won't affect limitation of liability. For federal tax purposes, LLCs are treated as partnerships (unless they elect otherwise).

S-Corporation

LLCs vs. S-Corporations