Trucking LLC vs S-Corp: Which Structure Saves You More Tax?
The Short Answer
Default: LLC (single-member, disregarded). Once net income exceeds $50K/year, elect S-Corp to save 15.3% self-employment tax on the portion above reasonable salary. Solo operators netting $80K+ typically save $3K–$8K/year with S-Corp election.
Every solo operator hears 'get an S-Corp' from someone. Here is when it actually saves money and when it just adds complexity.
Form as LLC (simpler, cheaper). Elect S-Corp tax status via IRS Form 2553 once net income exceeds $50K. Below that, the payroll and CPA costs eat the tax savings.
The Tax Math
LLC (default): all net profit is subject to self-employment tax (15.3%) plus income tax. On $80K net = $12,240 SE tax alone.
S-Corp: split net into reasonable salary (subject to SE tax) + distributions (income tax only, no SE tax). On $80K net with $40K salary + $40K distribution = $6,120 SE tax. Savings: $6,120/year.
| Line | LLC default | S-Corp elected |
|---|---|---|
| Net income | $80,000 | $80,000 |
| Owner salary (W-2) | N/A | $40,000 |
| Distribution | $80,000 (all) | $40,000 |
| SE tax on salary/dist | $12,240 | $6,120 |
| Income tax (25%) | ~$20,000 | ~$20,000 |
| Total federal tax | $32,240 | $26,120 |
| Savings | - | $6,120/yr |
The 'reasonable salary' rule
IRS requires S-Corp owners to pay themselves a 'reasonable salary' for the work performed. For a working truck-driving owner, $35K-$50K is typical minimum. Too-low salary triggers IRS scrutiny.
S-Corp Costs to Weigh
- Payroll service ($40–$80/month) — Gusto, ADP
- S-Corp tax return ($800–$1,500/year vs $400 for Schedule C)
- State franchise tax in some states ($100–$800/year)
- Bookkeeping complexity (payroll runs, W-2 filing)
When S-Corp Election Makes Sense
- Net income above $50K (savings clear the extra costs)
- You have a CPA managing tax filing
- You're comfortable running biweekly payroll
- Business income stable (not first-year variable)
When to Stay LLC (Disregarded)
- First year of business (income uncertain)
- Net income under $50K
- You strongly prefer simple bookkeeping
- Multiple owners (partnerships get complicated)
Frequently Asked Questions
Do I need an LLC for a trucking business?+
Strongly recommended. Sole prop exposes personal assets to lawsuits. LLC filing costs $50-$500 and provides liability protection.
When should I elect S-Corp for my trucking business?+
Once net income exceeds $50K/year. Below that, the payroll and CPA costs typically eat the tax savings.
Can I change from LLC to S-Corp later?+
Yes — file IRS Form 2553 to elect S-Corp tax status. Can be done any year. Best timing: January of a year when you expect $60K+ net.