Can sole proprietor elect S Corp?
Henry Morales
Published Apr 21, 2026
In general, single-member S corporations are legal. A sole proprietor may choose to incorporate his business as an S corporation. Unlike a C corporation, S corporation profits pass through the corporate entity; the shareholders report the income on their tax returns.
When can you elect to be an S Corp?
Businesses that have a fiscal year other than the calendar year have until two months and 15 days after the start of their fiscal year to complete their S Corp election form.
How do I turn my sole proprietorship into an S Corp?
Converting a Sole Proprietorship into an S Corporation
- Choose a state and a business name.
- Engage a registered agent.
- File articles of incorporation.
- Capitalize the corporation and draft initial documentation.
- Elect S corp.
How do I know if I am a sole proprietor or S Corp?
Call the IRS Business Assistance Line at 800-829-4933. The IRS can review your business file to see if your company is a C corporation, S corporation, partnership, single-member LLC, or sole proprietor based on any elections you may have made and the type of income tax returns you file.
How does a sole proprietorship become a S corporation?
S corporations require that all shareholders unanimously elect to become an S corporation. Once everyone has voted, the business must perform the following steps to convert from a sole proprietorship to an S corporation: Register the corporation’s name with the state where it will be based.
Who is the sole proprietor of a business?
Unlike other business structures, including the corporation, LLC, or partnership, the sole proprietorship is not a separate and distinct legal entity from its owner. For this reason, the sole proprietor personally owns all of the business’s assets.
Is it good to switch from sole prop to S Corp?
Whether your sole prop business is relatively new or well established, converting it to an S corp has too many benefits to ignore. It may be a slightly more complicated arrangement, but if your business is growing, it can be a good transition for the long-term.
When does the sole proprietorship tax year end?
The corporation’s tax year must end on December 31. If you aren’t sure whether your business qualifies for an S corporation election, it is recommended that you seek professional assistance. There are several advantages of incorporating a sole proprietorship:
