Sole Proprietor vs. LLC: Which Is Right for Your Small Business?
Updated 2026-10-27
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This article is general information, not legal or tax advice. Talk to a licensed professional about your situation.
Both structures are simple compared with a corporation, and both can be taxed the same way by default. The real differences are personal liability, paperwork and cost.
What is a sole proprietorship?
The IRS defines a sole proprietor as someone who owns an unincorporated business by themselves. The SBA adds that you're automatically a sole proprietor if you do business activities without registering as another type of business.
Key traits:
- No formation filing. You don't file anything with the state to exist as a business.
- No separation. Your business assets and debts aren't separate from your personal assets and debts. You can be held personally liable for business debts and obligations.
- Simple taxes. Business profit or loss goes on Schedule C with your personal Form 1040.
The SBA calls it a good fit for low-risk businesses and owners testing an idea before forming something more formal.
What is an LLC?
A limited liability company is a business entity created under state law. In Florida, you form one by filing Articles of Organization with the Division of Corporations. The SBA says an LLC protects you from personal liability in most instances, so your house, car and savings generally aren't at risk if the LLC faces bankruptcy or lawsuits.
Key traits:
- State filing and yearly report. You form it with the state and file an annual report every year.
- Liability protection, with limits. The SBA notes it isn't unlimited; insurance fills gaps.
- Flexible taxes. The IRS lets an LLC choose how it's taxed.
The SBA suggests an LLC for medium- or higher-risk businesses and owners with significant personal assets to protect.
Side-by-side comparison
| Sole proprietorship | Single-member LLC (Florida) | |
|---|---|---|
| How it's formed | Automatically, by doing business | File Articles of Organization on Sunbiz |
| Florida formation cost | $0 (or $50 for a fictitious name if you use a trade name) | $125 in required state fees |
| Yearly state filing | None for the structure itself | Annual report, $138.75 if filed January 1 to May 1 |
| Personal liability | Unlimited | Generally limited, with exceptions |
| Default federal tax treatment | Schedule C on your Form 1040 | Same: a "disregarded entity" reported on your return |
| Self-employment tax | Yes, 15.3% on net earnings of $400+ | Yes, by default |
| Can elect corporate or S corp taxes | No | Yes (Form 8832 or Form 2553) |
Florida's LLC fees come from the Division of Corporations and can change. Check the current amounts on the Sunbiz fee page.
How taxes compare
A single-member LLC doesn't automatically save you taxes. By default, the IRS treats a one-owner LLC as "disregarded," so you report profit just like a sole proprietor. Both pay self-employment tax: 15.3% (12.4% Social Security plus 2.9% Medicare) once net earnings reach $400.
The difference is flexibility. An LLC can file Form 8832 to be taxed as a corporation, or elect S corporation status with Form 2553. An S corporation owner who works in the business must take a reasonable salary through payroll (see our payroll guide), which adds cost and filings. Ask a tax professional whether it fits your profit level.
Two other notes from the IRS:
- A single-member LLC is still treated as a separate entity for employment tax and certain excise taxes, even though it's disregarded for income tax.
- If two spouses own and run an unincorporated business together, the IRS generally treats it as a partnership, not a sole proprietorship, with some exceptions (see IRS Publication 583).
Paperwork and upkeep
Sole proprietorship: - Register a fictitious name with Florida if you use any name other than your own legal name ($50, renewed every 5 years). - Get any local, state or industry licenses your work requires. - Keep good books and pay quarterly estimated taxes if needed.
LLC: - Everything above (an LLC using a different trade name also needs a fictitious name registration). - File the annual report each year between January 1 and May 1. Florida charges a $400 late fee after May 1 and dissolves LLCs that still haven't filed by the third Friday in September. - Keep a registered agent with a Florida street address. - Keep business and personal money in separate accounts, as the SBA and IRS both recommend.
How to decide: a quick self-check
An LLC may be worth the cost if you answer "yes" to several of these:
- [ ] Could a customer, client or vendor realistically sue you over your work?
- [ ] Do you have significant personal assets, like a home or savings?
- [ ] Will you have a business partner, now or soon?
- [ ] Do you want to explore S corporation taxes later?
A sole proprietorship may be fine for now if:
- [ ] You're testing an idea with low risk and low revenue
- [ ] You want the least paperwork and cost while you get started
- [ ] You carry insurance that covers your main risks
You can usually start as a sole proprietor and form an LLC later. The SBA cautions that converting can have restrictions and tax consequences, so plan the switch with a professional.
FAQ
Does an LLC protect me from everything? No. The SBA says LLCs protect owners "in most instances," and the protection has limits. A lawyer can explain them for your situation.
Will forming an LLC lower my taxes? Not by itself. A single-member LLC is taxed like a sole proprietorship by default. Tax changes come only if you elect corporate or S corporation treatment, which has its own costs and rules.
Can I switch from a sole proprietorship to an LLC later? Usually, yes, by forming the LLC with the state. The SBA notes a change in structure often means a new EIN, so check with the IRS first.
Sources
- SBA: Choose a business structure
- IRS: Sole proprietorships
- IRS: Limited liability company (LLC)
- IRS: Self-employment tax
- IRS: Publication 583
- Florida Division of Corporations: LLC Fees
- Florida Division of Corporations: Fictitious Name Registration
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