The LLC vs S-Corp for small business question is one of the most common — and most misunderstood — decisions business owners face. They're not mutually exclusive (an S-Corp is a tax election, not an entity type), the "right" answer depends entirely on your numbers, and switching at the wrong time can create more problems than it solves.
This guide provides a clear decision framework based on revenue, profit margin, and growth trajectory — so you can make the choice that actually saves you money.
The Core Tax Difference
Here's the fundamental distinction. A single-member LLC (taxed as a sole proprietorship) or multi-member LLC (taxed as a partnership) passes all net profit through to the owner's personal return. That entire amount is subject to self-employment tax at 15.3% (12.4% Social Security up to the wage base, plus 2.9% Medicare on all income).
An S-Corp splits your income into two buckets: a reasonable salary (subject to payroll taxes) and distributions (not subject to payroll taxes). If your business earns $200,000 in net profit and you pay yourself a $80,000 salary, you only pay payroll taxes on the $80,000 — the remaining $120,000 in distributions is free of the 15.3% SE tax.
That's a savings of roughly $18,360 in self-employment tax on the distribution portion alone. But it's not that simple — the S-Corp also introduces costs.
What the S-Corp Costs You
The S-Corp election isn't free. Before calculating your savings, subtract these ongoing costs:
- Payroll processing: $500–$2,000/year for a payroll service (Gusto, ADP, etc.)
- Employer FICA: 7.65% of the salary you pay yourself — this is a real cost the business bears
- S-Corp tax return: A separate Form 1120-S filing, typically $1,000–$2,500 more than a Schedule C
- State unemployment insurance (SUTA): Varies by state, typically $200–$500/year on your salary
- Workers' comp: Required in some states even for single-employee S-Corps
All-in, the additional annual cost of operating as an S-Corp ranges from $3,000 to $6,000 depending on your state and payroll provider. That overhead must be offset by SE tax savings — otherwise the election is a net negative.
The Income Threshold: When S-Corp Starts Winning
Given the costs above, the S-Corp election only makes financial sense when net profit is high enough that the SE tax savings exceed the additional compliance costs. In practice, that breakeven typically falls between $60,000 and $80,000 in annual net profit.
| Net Profit | LLC SE Tax | S-Corp Payroll Tax + Costs | Net Savings |
|---|---|---|---|
| $40,000 | $5,652 | ~$5,800 (salary $35K + costs) | -$148 (S-Corp loses) |
| $60,000 | $8,478 | ~$7,500 (salary $45K + costs) | ~$978 |
| $80,000 | $11,304 | ~$8,600 (salary $50K + costs) | ~$2,704 |
| $150,000 | $21,195 | ~$12,200 (salary $65K + costs) | ~$8,995 |
| $250,000 | $34,445 | ~$14,600 (salary $80K + costs) | ~$19,845 |
The pattern is clear: the higher your net profit above the threshold, the more the S-Corp saves. Below $60K, the math often doesn't work. Above $100K, it almost always does.
Important caveat: These calculations assume a single owner-operator. If you have employees, W-2 wages, or significant business deductions that reduce your SE tax base, the threshold shifts. Run the numbers on your actual situation before making the switch — see our detailed guide on S-Corp tax savings by income level.
State-Specific Considerations
The federal math is only part of the picture. Several states have rules that materially affect the LLC-vs-S-Corp calculus:
- California: Imposes an $800 minimum franchise tax on LLCs and S-Corps, plus a gross receipts fee on LLCs ($900–$11,790). S-Corps avoid the gross receipts fee but pay a 1.5% corporate income tax instead.
- New York City: LLCs are subject to the Unincorporated Business Tax (UBT) at 4%. S-Corps are not — making the S-Corp more favorable in NYC than anywhere else.
- Texas: Has a franchise tax (margin tax) that applies to both LLCs and S-Corps above $2.47M in revenue — entity choice doesn't help here.
- States with no income tax: Florida, Texas, Nevada, Wyoming, etc. — no state-level impact on the decision, so federal math drives it entirely.
Flexibility and Growth Considerations
Tax savings aren't the only factor. Your choice of structure affects future flexibility:
- Raising investment capital: S-Corps are limited to 100 shareholders, no non-resident aliens, no entity shareholders, and one class of stock. If you plan to raise equity or bring in investors, an LLC taxed as a partnership offers far more flexibility.
- Multiple ownership classes: Need preferred returns, different distribution waterfalls, or carried interest? Only an LLC/partnership can accommodate this. S-Corps require one class of stock.
- Exit planning: If you plan to sell, the entity type affects deal structure. Asset sales are straightforward in an LLC. Stock sales may be preferred by buyers of S-Corps. Plan accordingly.
Decision Matrix by Revenue Level
| Scenario | Recommended Structure | Reason |
|---|---|---|
| Net profit under $50K | LLC (sole prop / partnership) | S-Corp costs exceed savings |
| Net profit $50K–$80K | Run the numbers — marginal | Depends on state, salary, compliance costs |
| Net profit $80K+, solo owner | LLC with S-Corp election | Clear SE tax savings outweigh costs |
| Planning to raise equity | LLC (partnership tax) | S-Corp ownership restrictions limit investors |
| Multiple owners, complex splits | LLC (partnership tax) | S-Corps require equal distribution per share |
| NYC-based business | LLC with S-Corp election | Avoids 4% UBT — significant additional savings |
Not sure which structure fits your business? We'll run the numbers on your specific situation — income, state, and growth plans — and give you a clear recommendation.
Get a Free Entity Structure Review →The Bottom Line
The LLC vs S-Corp decision is a math problem, not a philosophical one. If your net profit consistently exceeds $60K–$80K and you don't need complex ownership structures, the S-Corp election will save you money. If your income is variable, you plan to raise capital, or you need flexible distribution arrangements, the LLC taxed as a partnership is likely the better fit.
The worst choice is the one you make based on a generic article or a friend's advice. Run the numbers with a tax strategist who can model your specific scenario — including state taxes, reasonable salary calculations, and future growth projections. The right answer is always specific to your business.