Entity Filing — Start Your Business
Choose your state to open its official business filing office. Sign in or create your own account on the state site. State filing fees apply.
LLC and corporation: Form these through the state office. S corporation: This is a federal tax choice for an eligible business. File IRS Form 2553 and check any separate state tax steps.
Official state filing links
Some states use a commerce office or corporation commission rather than a Secretary of State.
Business Document Templates
Choose a form, copy it into your document editor, and complete the blanks. Have the completed form reviewed before signing.
LLC Operating Agreement Corporate Bylaws, Shareholder Agreement and Resolutions
Before you file
- Choose your entity type and state.
- Check the name and registered agent rules.
- Review the filing fee and ongoing reports.
- File through the state office and save your approved papers.
- Use the IRS links below for an EIN and any S corporation election.
Source: National Association of Secretaries of State business filing directory. Links reviewed October 26, 2026. Michigan, Wisconsin, Nebraska and New York links updated from their state sites. New York link opens its LLC guide; use its Department of State menu for corporation filing.