A sole proprietor is someone who owns an unincorporated business by himself or herself. However, if you are the sole member of a domestic limited liability company (LLC), you are not a sole proprietor if you elect to treat the LLC as a corporation. If you are a sole proprietor use the information in the chart below to help you determine some of the forms that you may be required to file. IF you are liable for: THEN use Form: Income Tax 1040, U.S. Individual Income Tax Return or 1040-SR, U.S. Tax Return for Seniors and Schedule C (Form 1040 or 1040-SR), Profit or Loss from Business Self-employment tax Schedule SE (Form 1040 or 1040-SR), Self-Employment Tax Estimated tax 1040-ES, Estimated Tax for Individuals Social Security and Medicare taxes and income tax withholding 941, Employer's Quarterly Federal Tax Return 943, Employer's Annual Federal Tax Return for Agricultural Employees 944, Employer's Annual Federal Tax Return Providing information on Social Security and Medicare taxes and income tax withholding W-2, Wage and Tax Statement (to employee) and W-3, Transmittal of Wage and Tax Statements (to the Social Security Administration) Federal unemployment (FUTA) tax 940, Employer's Annual Federal Unemployment (FUTA) Tax Return Filing information returns for payments to nonemployees and transactions with other persons See Information Returns Excise Taxes Refer to the Excise Tax webpage Related Topics Business Structures Forms for Sole Proprietorship Married Couples in Business Independent Contractor (Self-Employed) or Employee? Where to File Tax Returns - Addresses Listed by Return Type Publications About Publication 334, Tax Guide for Small Business (For Individuals Who Use Schedule C) About Publication 583, Starting a Business and Keeping Records
