Legal Definition of Articles of Organization: Document filed with a state’s Secretary of State, used to form a limited liability company. Sometimes referred to as a Certificate of Organization or Certificate of Formation, depending on state law | Learn the important details about Articles of Organization and why they are crucial for forming an LLC. Discover how this document protects your personal assets and establishes your business as a separate legal entity. Find out what information is needed when filing Articles of Organization and why drafting an operating agreement is highly recommended. Ensure accuracy and compliance by consulting with a legal professional or using online resources specific to your state