Inc是Incorporation的缩写，（结合, 合并, 形成法人组织, 组成公司(或社团)
LLC是Limited Liability Company 的缩写，叫做有限责任公司
LLP 是Limited Liability Partnership的缩写，叫做有限责任合伙公司
This state chartered organization acts as a separate legal entity and is the most structured business entity. Business activities are restricted to those listed in the corporate charter. Corporations may elect to file as a C-Corporation or S-Corporation.
C-corporation pays federal and state income taxes on earnings. When the earnings are distributed to the shareholders as dividends, the earnings are taxed again. Double taxation is a big drawback of C-corporations.
S-corporation has the same legal attributes as the C-corporation, however, the corporation does not pay income taxes on earnings, rather, the shareholder pays income tax on dividends on their personal income tax return.
S-corporation owners (shareholders) must meet the following criteria:
拥有人（股东）少于100人Number fewer than 100
拥有人（股东）不可是非永久居民外国人Cannot be non-resident aliens
拥有人（股东）不可是其他法定公司、有限责任公司、合伙公司或信托Cannot be C corporations, other S corporations, limited liability companies (LLCs), partnerships or certain trusts.
Liability is limited to the amount owners have paid into their share of stock, and the corporation’s continuity is unaffected by the death or transfer of shares by any of the owners. Corporations have perpetual continuity unless otherwise specified in Certificate of Incorporation. As a separate legal entity, corporations may own property, sue, and be sued in corporate name.
Extensive record keeping, close regulation, and double taxations.
有限责任公司Limited Liability Company (LLC)
A separate legal entity, the LLC is ahybrid between a partnership and a corporation, combining the limited liability advantage of a corporation with the tax status of a sole proprietor or partnership. Owners of the LLC are called members.
Similar to the partnership entities, the LLC is governed by an operating agreement.The LLC may be formed by one or more members.
As a separate legal entity, LLC’s may own property, sue, and be sued in LLC’s name.
Managers of an LLC as elected by the members may be in the form of a person or other entity.
Unless otherwise specified by the Articles of Organization, LLC’s enjoy perpetual continuity similarly as in a corporation.
Since a LLC is a legal entity, the formation of a LLC requires more legal documentation than in a general partnership or sole proprietorship
有限责任合伙公司Limited Liability Partnership (LLP)
A separate legal entity, an LLP provides liability protection for all general partners as well as management rights in the business. Most commonly used in professional practices, an LLP offers, in most cases, the same limited liability enjoyed by a corporation, but at the same time it is a flow-through entity.
LLP’s provide a legal structure to the establishment of the business. From a capital investment standpoint, limited partners are shielded from the liability in that their liability is dependent upon the amount of capital invested. In addition, dividends distributed to all partners are reported on the partners’ personal income tax return.
As in any partnership, a LLP must draft a partnership agreement, which governs how the business is operated. There is no requirement to set a termination date of the partnership agreement.
As a separate legal entity, LLP’s may own property, sue, and be sued in LLP’s name.
Since a LLP is a legal entity, the formation of a LLP requires more legal documentation than in a general partnership.
If a LLP drops or loses a partner, the business is automatically deemed dissolved