LLC vs S-Corp Tax Comparison: Which Saves More in 2026?
The S-Corp election can save you thousands in self-employment taxes—but only if your profits are high enough. Here's the math that actually matters.
The Core Difference
An LLC is a legal structure. S-Corp is a tax election. You can be both—an LLC taxed as an S-Corp. The question isn't "LLC vs S-Corp." It's "should my LLC elect S-Corp taxation?"
Default LLC Taxation
Single-member LLCs are taxed as sole proprietorships by default:
- All profit is subject to self-employment tax (15.3%)
- Plus income tax at your personal rate
- Self-employment tax covers Social Security (12.4%) and Medicare (2.9%)
S-Corp Taxation
When you elect S-Corp taxation:
- You pay yourself a reasonable salary (subject to payroll taxes)
- Remaining profit is taken as distributions (NOT subject to self-employment tax)
- Only the salary portion pays the 15.3%
The Numbers: Real Comparisons
Scenario 1: $50,000 Profit
| Factor | LLC (Default) | LLC (S-Corp) |
|---|---|---|
| Total Profit | $50,000 | $50,000 |
| Reasonable Salary | N/A | $35,000 |
| Distributions | N/A | $15,000 |
| Self-Employment Tax | $7,650 | $5,355 |
| Payroll Processing | $0 | ~$500 |
| Net Tax Savings | — | $1,795 |
Verdict: S-Corp saves ~$1,795, but you're now running payroll and filing more forms.
Scenario 2: $100,000 Profit
| Factor | LLC (Default) | LLC (S-Corp) |
|---|---|---|
| Total Profit | $100,000 | $100,000 |
| Reasonable Salary | N/A | $60,000 |
| Distributions | N/A | $40,000 |
| Self-Employment Tax | $15,300 | $9,180 |
| Payroll Processing | $0 | ~$700 |
| Net Tax Savings | — | $5,420 |
Verdict: S-Corp saves ~$5,420. Now we're talking real money.
Scenario 3: $200,000 Profit
| Factor | LLC (Default) | LLC (S-Corp) |
|---|---|---|
| Total Profit | $200,000 | $200,000 |
| Reasonable Salary | N/A | $100,000 |
| Distributions | N/A | $100,000 |
| Self-Employment Tax | $22,950* | $15,300 |
| Payroll Processing | $0 | ~$1,000 |
| Net Tax Savings | — | $6,650 |
*Note: Social Security caps at $168,600 (2026 limit), so effective SE tax rate decreases above this threshold.
Verdict: S-Corp still saves ~$6,650, but the benefit caps due to Social Security limits.
The Break-Even Point
Based on typical payroll costs ($500-1,000/year) and reasonable salary requirements (50-70% of profit), the S-Corp election typically makes sense when:
Break-even: ~$40,000-50,000 in annual profit
Below this threshold, the administrative burden and costs often outweigh the tax savings.
The "Reasonable Salary" Trap
The IRS requires S-Corp owners to pay themselves a "reasonable salary" for the work they do. Taking $0 salary and 100% distributions is a red flag.
What's "Reasonable"?
- Industry standards for your role
- Time committed to the business
- What you'd pay someone else to do the job
- Your qualifications and experience
Red Flags for the IRS
- Salary is significantly below market rate
- Salary-to-distribution ratio is extreme (e.g., 10/90)
- No documented salary analysis
- Inconsistent salary year-to-year
Safe approach: Keep salary at 50-70% of total profit, document your reasoning, and maintain comparable salary data.
Beyond Self-Employment Tax: Other Considerations
QBI Deduction (199A)
The Qualified Business Income deduction allows you to deduct up to 20% of business income:
- LLC: Full profit eligible (subject to limits)
- S-Corp: Only distribution portion eligible (salary is already deducted as business expense)
This can partially offset the S-Corp advantage, especially at lower income levels.
Retirement Contributions
- LLC (Default): Based on self-employment income
- S-Corp: Based on W-2 salary + profit-sharing (can be higher total)
S-Corp may allow larger retirement contributions if structured correctly.
State Taxes
Some states don't recognize S-Corp status:
- California: $800 minimum franchise tax + 1.5% on net income
- New York City: Doesn't recognize S-Corp (taxed as C-Corp)
- Tennessee: Excise tax on distributions
Check your state rules before electing.
The Administrative Burden
S-Corp taxation adds complexity:
Annual Requirements
- Run payroll (or use payroll service)
- File quarterly payroll tax returns (941)
- File annual W-2 and W-3
- File Form 1120S (S-Corp tax return)
- Issue K-1s to shareholders
- Keep corporate minutes (recommended)
Estimated Costs
- Payroll service: $40-100/month
- Tax preparation: $500-1,500/year additional
- State filing fees: $0-800/year
Total annual administrative cost: $1,000-3,500
Decision Framework
Choose S-Corp Election If:
- Profit is consistently above $50,000
- Profit is stable or growing (not volatile)
- You're comfortable with administrative complexity
- You plan to keep the business for 3+ years
- State taxes don't eliminate the benefit
Stick with Default LLC If:
- Profit is below $50,000
- Income is unpredictable or declining
- You want maximum simplicity
- You're testing the business concept
- You plan to sell or close within 2 years
Consider C-Corp If:
- You plan to raise venture capital
- You want to retain earnings in the company
- You plan to go public eventually
- You need multiple stock classes
How to Elect S-Corp Status
Timeline
- File Form 2553 within 2 months and 15 days of your tax year start
- Or file anytime during the previous tax year for next-year election
Requirements
- Domestic corporation or LLC
- Only one class of stock
- Maximum 100 shareholders
- Shareholders must be individuals, estates, or certain trusts
- No nonresident alien shareholders
Steps
- Form your LLC (if not already formed)
- Obtain EIN from IRS
- File Form 2553 (signed by all shareholders)
- Wait for IRS approval (typically 60 days)
- Set up payroll system
- Begin running payroll and filing quarterly returns
Can I Switch Back?
Yes, but with restrictions:
- Must wait 5 years to switch back to S-Corp after revoking
- IRS may question frequent changes
- State rules may differ
The election isn't permanent, but frequent switching looks suspicious.
2026 Tax Considerations
- Social Security wage base: $168,600
- Additional Medicare tax: 0.9% above $200,000 (single) / $250,000 (married)
- QBI deduction: Scheduled to expire after 2025 (check current law)
- Tax brackets may change—verify current rates
Next Steps
- Calculate your profit from the last 12 months
- Estimate salary at 50-70% of profit
- Run the numbers using the comparison above
- Factor in administrative costs and state taxes
- Consult a tax professional for your specific situation
Need help deciding or setting up your entity? Get in touch for personalized guidance on choosing the right structure.