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LLC vs Sole Proprietor —
which saves you more?

Enter your income and state. Get an exact side-by-side tax comparison between sole proprietor, default LLC, and LLC with S-Corp election — and a clear recommendation for your situation.

Total income before any deductions
Software, equipment, office, travel, etc.
Only relevant for S-Corp election
Potential annual savings
Sole Proprietor
LLC (Default)
Pros & cons at a glance

✅ Sole Proprietor

  • Zero setup cost or paperwork
  • Simplest tax filing (Schedule C)
  • No annual state fees
  • Easy to dissolve

⚠️ Watch out

  • Personal liability for all business debts
  • Full self-employment tax on all profit
  • Harder to open business bank accounts

✅ LLC

  • Personal liability protection
  • More credible to clients and banks
  • S-Corp election can reduce SE tax significantly
  • Flexible profit distribution

⚠️ Watch out

  • State filing fees ($50–$800/yr, varies by state)
  • More complex bookkeeping required
  • S-Corp election requires payroll setup

Understanding the real difference between LLC and sole proprietor

One of the most common misconceptions among freelancers and small business owners is that forming an LLC automatically saves money on taxes. It doesn't — at least not by default. A single-member LLC that hasn't made a tax election is treated as a "disregarded entity" by the IRS, meaning it's taxed identically to a sole proprietorship. The profit flows through to your personal tax return on Schedule C, and you pay self-employment tax (15.3%) on the full amount.

The tax savings that LLC proponents talk about come from a specific action: electing to be taxed as an S-Corporation. This is separate from forming the LLC itself and requires filing Form 2553 with the IRS. Under S-Corp taxation, you split your business income into two parts: a salary you pay yourself (subject to payroll and self-employment taxes) and distributions (not subject to self-employment tax). This split can generate significant tax savings at higher income levels.

When the S-Corp election actually makes sense

The S-Corp election comes with real costs and administrative requirements: you need to run payroll (which requires payroll software or a service, typically $500–$2,000/year), you'll likely want an accountant to handle the more complex tax return ($1,000–$3,000/year compared to $300–$800 for a Schedule C), and some states have additional franchise taxes or minimum fees for S-Corps. The tax savings need to exceed these costs to make it worthwhile.

As a general rule of thumb, the S-Corp election starts to make financial sense when your net profit exceeds roughly $60,000–$80,000 per year. Below that threshold, the compliance costs and complexity typically outweigh the tax savings. Above that threshold, the savings can be substantial — often $5,000–$15,000 per year or more depending on your income and state.

California's special situation

California is a notable exception to the general rules above. California imposes an $800 annual minimum franchise tax on all LLCs, plus an additional gross receipts fee on LLCs earning over $250,000. This significantly raises the cost of operating an LLC in California and means the financial calculus is different there than in most other states. California-based business owners should factor in these additional costs when comparing structures.

The liability protection question

Even if the tax savings don't justify an LLC, the liability protection often does. As a sole proprietor, there is no legal separation between you and your business — your personal assets (home, car, savings) are all at risk if your business faces a lawsuit or can't pay its debts. An LLC creates a legal separation, so in most cases only your business assets are at risk.

How important this is depends entirely on what you do. A freelance writer faces different liability risks than a freelance software developer working on safety-critical systems. A consultant who occasionally handles sensitive data faces different risks than a retail store owner. Talk to an attorney about your specific situation — this is one area where getting professional advice is genuinely worth the cost.

Frequently asked questions

Does forming an LLC save money on taxes automatically?

No. A single-member LLC is treated as a "disregarded entity" by the IRS by default, meaning it's taxed identically to a sole proprietorship. The tax savings require an additional step: electing to be taxed as an S-Corporation by filing Form 2553. Forming the LLC itself provides liability protection but no immediate tax benefit.

When does the S-Corp election make financial sense?

Generally when your net self-employment profit exceeds $60,000–$80,000 per year. Below that, the compliance costs (payroll service, more complex tax return, additional accounting) typically outweigh the self-employment tax savings. The break-even point varies by state and individual situation — this calculator shows you the math for your specific numbers.

What is a "reasonable salary" for S-Corp purposes?

The IRS requires S-Corp owner-employees to pay themselves a "reasonable salary" — comparable to what you'd pay someone else to do the same work. There's no exact formula, but it should be defensible if audited. Most accountants suggest 40–60% of net profit as a starting point for service businesses. Too low a salary is a significant red flag for IRS audits and can result in penalties and back taxes.

Do I need a lawyer to form an LLC?

No — you can file directly with your state's Secretary of State website for $50–$500 depending on the state. Wyoming, Delaware, and Nevada are popular for their favorable LLC laws and low fees. However, consulting an accountant or CPA before making the S-Corp election is genuinely worthwhile — the payroll setup has ongoing costs that need to be weighed against your projected tax savings.

What states have the highest LLC fees?

California charges an $800 annual minimum franchise tax plus a gross receipts fee for LLCs over $250,000 in revenue. Massachusetts charges $500/year. Illinois charges $75/year. Wyoming, New Mexico, and Montana are among the cheapest states to maintain an LLC. If you form an LLC in a different state than where you live and work, you'll typically also need to register as a "foreign LLC" in your home state — effectively paying twice.

Can a sole proprietor open a business bank account?

Yes, but it's harder. Most banks will open a business account for a sole proprietor using a DBA (Doing Business As) name, but some larger banks require an EIN and formal business registration. An LLC makes banking easier and also creates a cleaner paper trail separating personal and business finances, which is important both for liability protection and for tax purposes.

Is this calculator accurate for my specific state?

The calculator uses federal tax rates plus an approximate state income tax rate. It doesn't account for state-specific LLC fees (like California's $800 minimum), franchise taxes, or local taxes. Treat it as a directional estimate — the federal tax math is accurate, but the state-level numbers need verification with a local accountant for your specific situation.

What's the difference between an LLC and an S-Corp?

An LLC is a legal business structure that provides liability protection. An S-Corp is a tax designation — not a separate legal entity. You can have an LLC that is taxed as an S-Corp (by filing Form 2553), which is the most common structure for self-employed people who want both liability protection and the tax benefits of S-Corp taxation. You can also have a standard C-Corporation elect S-Corp status, but that's a separate scenario.