Sole proprietor, LLC, or an S corp election. What each one asks of you yearly
The choice is usually framed as liability protection and taxes. The part that decides whether you regret it is the annual maintenance each one requires.
- Written by
- Roy Castellano
- Published
- Filed under
- Corporate
- Length
- 819 words, about 3 minutes
Business structure gets chosen once, usually in a hurry, on the basis of a summary that emphasizes liability and taxes. Both matter. Neither is what causes people to change structure two years later.
What causes that is the annual obligations, which nobody reads before signing and everybody lives with afterward.
What each one actually is
Sole proprietorship. Not a filing. It is the default status of an individual doing business, and it exists the moment you start. There is no separate entity, so there is no separation between business and personal liability.
Limited liability company. A state-created entity, formed by filing articles of organization. It separates the entity from its owners for liability purposes. By default it is disregarded for federal tax purposes if it has one member, meaning the tax treatment is the same as a sole proprietorship.
S corporation election. Not an entity type. It is a tax election that an LLC or a corporation makes with the IRS, changing how the business is taxed while leaving the underlying entity in place. This is the distinction most summaries blur.
The comparison people expect
| Sole proprietor | LLC, default tax | LLC with S election | |
|---|---|---|---|
| Formation | Nothing to file | State filing and fee | State filing plus an IRS election |
| Liability separation | None | Yes, if maintained | Yes, if maintained |
| How profit is taxed | On your personal return | Same | Same, but split between wages and distributions |
| Self-employment tax | On all net profit | On all net profit | On the wage portion only |
| Payroll required | No | No | Yes, for the owner |
The fourth row is the reason the S election exists and the fifth row is its price.
The comparison that decides it: annual maintenance
Sole proprietor. File a Schedule C with your personal return. Pay quarterly estimated tax. Keep records. That is the entire list.
LLC, default taxation. Everything above, plus:
- An annual or biennial state report, with a fee that varies enormously by state.
- A registered agent maintained at a physical address in the state.
- A separate bank account, kept genuinely separate.
- An operating agreement, which most states do not require and every lender and dispute will ask for.
- Contracts, invoices and signatures in the entity's name rather than yours.
LLC with an S election. Everything above, plus:
- A separate business tax return each year, with its own deadline earlier than the personal one.
- Payroll for yourself: registration, withholding, deposits on schedule, quarterly returns, and a year-end wage statement.
- A defensible reasonable compensation figure for your own wage, documented.
- Schedules issued to yourself reporting your share of income.
- Usually an accountant, because the above is not a reasonable do-it-yourself project.
Where the S election actually pays
The saving comes from the portion of profit taken as a distribution rather than as wages, which is not subject to self-employment tax. Set against that are the costs it creates: payroll processing, a second tax return, and professional fees.
So it becomes worthwhile above a level of profit where the saving exceeds those fixed costs, and it is a poor idea below it. The threshold varies with your state and your accountant's rates, and it is a calculation your preparer can run in fifteen minutes with your prior year figures.
The requirement that catches people is reasonable compensation. Wages have to reflect the value of the work performed, and setting them artificially low to increase the distribution is the specific position the rule exists to prevent.
The protection that has to be maintained
Liability separation is not created by the filing alone. It is maintained by behavior, and courts will disregard it where the entity was not treated as separate.
What maintaining it looks like in practice:
- Separate bank accounts, with no personal spending from the business account.
- Contracts signed in the entity name, in a representative capacity.
- Adequate capitalization for the business being conducted.
- The state filings kept current so the entity remains in good standing.
- Insurance appropriate to the work, since an entity does not replace liability coverage and never has.
An entity used as a second personal account offers considerably less protection than its owner believes.
How to choose without regretting it
- Just starting, uncertain revenue, low risk work. Sole proprietorship. Add insurance. Revisit at the end of the first full year.
- Steady revenue, contracts with other businesses, physical work or premises. LLC. The annual cost is modest and the separation is real.
- Profit consistently above the threshold your preparer calculates, and willing to run payroll. Add the S election.
- Partners, outside investors, or a plan to sell. A different conversation, and one worth paying for before anything is formed.
Structures can be changed. An LLC can make the election later, and elections can be revoked. What cannot be undone easily is a year of mixed records, so the sequence that works is to separate the accounts first, operate cleanly, and let the entity decision follow the numbers rather than lead them.