In the USa, a Business entity can be incorporated under as a

Sole Proprietorship: A business owned and run by a single individual. The owner and business are legally the same, and profits and losses are reported on the owner’s personal tax return. The business itself is not taxed.
Partnership: Formed by two or more individuals or entities who share profits and losses. The partnership does not pay taxes directly but must file an informational return detailing how profits and losses are distributed among partners.
Limited Liability Company (LLC): An adaptable business structure where members can have limited liability and choose their tax treatment (as a corporation, partnership, or sole proprietorship). LLCs offer flexibility in management and taxation.
Corporation: A separate legal entity from its owners, providing limited liability protection. Corporations are subject to more complex taxation and can be managed by one or more directors. They may be taxed on their profits, and shareholders are taxed on dividends.