limited liability company(A limited liability company (LLC) is the United States-specific form of a private limited company. It is a business structure that combines the pass-through taxation of a partnership or sole proprietorship with the limited liability of a corporation. An LLC is not a corporation; it is a legal form of a company that provides limited liability to its owners in many jurisdictions. WK. ABBREVIATION for Limited Liability Company: a form of company in the US whose owners are not legally responsible for the company's debts if those debts are above a particular amount: "State law requires LLCs to produce annual reports. CBED Alexander Demidov); limited liability company(Vosoni)