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LLC vs S-corp: which structure actually saves more tax?

Most business owners search “LLC vs S-corp” when the real question is simpler: should my LLC make the S-corp tax election? The answer depends on your net profit, your role, and what you plan to do with the business. We run the analysis.

The real question

LLC and S-corp aren’t opposites. One is a structure, one is a tax election.

The confusion is understandable — most online comparisons treat them as competing choices. They’re not. An LLC can be taxed as a sole proprietor, a partnership, a C-corp, or an S-corp. The question is which tax treatment fits your business.

An LLC is a legal structure

The LLC (limited liability company) is a state-law entity that separates your personal assets from business liabilities. It says nothing about how you're taxed.

An S-corp is a tax election

S-corp status is an IRS election — filed on Form 2553 — that changes how your business income is taxed. Your LLC can make this election and remain an LLC legally.

The real comparison

When people ask LLC vs S-corp, they're usually asking: should I stay with default LLC taxation (all profit subject to self-employment tax) or elect S-corp status (only my W-2 salary is)?

Why this matters

Getting the structure right at your income level can mean $5,000–$20,000+ in annual tax savings — or unnecessary compliance costs if you elect too early. The threshold is specific to your situation.

How each is taxed

Default LLC taxation vs the S-corp election.

A single-member LLC with no election is taxed as a sole proprietor by default. Every dollar of net profit — after business deductions — flows to your Schedule C and is subject to both income tax and the 15.3% self-employment tax (up to the Social Security wage base, then 2.9% above it). There’s no distinction between your “salary” and your “profit.”

With the S-corp election, the same LLC now requires you to pay yourself a reasonable W-2 salary. Payroll taxes apply only to that salary. The remaining net profit passes through as a distribution — subject to income tax but not self-employment tax. That gap is where the savings come from.

Tax treatment side by side

  • EntityLLC (default)LLC with S-corp election
  • Net profit taxed asAll self-employment incomeW-2 salary + distributions
  • SE tax applies to100% of net profitW-2 salary only
  • Payroll requiredNoYes — reasonable comp required
  • Extra complianceMinimalQuarterly payroll, extra state filings
  • QBI deductionAvailable (SE income)Available — W-2 wage limitation may apply
Default LLCS-corp election

The break-even

At what income does the S-corp election actually pay off?

The S-corp election adds real costs: payroll setup, quarterly payroll tax filings, year-end W-2s, and often a more complex tax return. In most states, you’re looking at $1,500–$3,000+ in additional annual compliance cost. The election only makes sense when the SE tax savings exceed those costs.

For most businesses, that break-even lands around $50,000–$80,000 in net profit, depending on state, industry, and the salary you’d need to pay yourself. Below that, the compliance cost outpaces the savings. Above it, the gap widens meaningfully with each additional dollar of profit shifted from W-2 to distribution.

Typical break-even
$50K–$80K net profit — varies by state, industry, and required salary
Sweet spot
$100K–$500K+ net profit — savings compound as distributions increase

Illustrative example

$200K net profit. Default LLC vs S-corp election.

Default LLC

~$22,000

SE tax on $200K net profit

S-corp election

~$11,500

Payroll tax on $90K W-2 salary only

Illustrative only. Assumes $90K reasonable compensation, standard FICA rates, and ~$2K annual compliance cost for the S-corp election. Actual savings depend on salary, state, and filing costs. This is not tax advice.

When to stay as an LLC

When the default LLC taxation wins.

The S-corp election isn’t always the right call. These are the scenarios where staying with default LLC taxation is the smarter move.

Net profit under $50–80K

Below the break-even, the added compliance cost of payroll, quarterly filings, and a more complex return outpaces the FICA savings. The default LLC is simpler and cheaper at this stage.

You're planning to raise outside capital

S-corps can't have corporate shareholders, non-resident alien shareholders, or more than 100 shareholders. If you're on a path toward institutional investment or complex equity structures, the LLC (taxed as a partnership or C-corp) offers more flexibility.

Multiple owners with different economics

S-corps must distribute profits proportionally to ownership percentage — you can't give one owner a larger share of profits without changing equity. An LLC taxed as a partnership allows special allocations, which is often necessary with multiple founders or partners.

The business is early and unpredictable

If revenue swings significantly year to year, the fixed compliance cost of the S-corp election becomes harder to justify. The default LLC lets you revisit the election when income is more consistent.

When to elect S-corp

When the S-corp election is the clear winner.

For owner-operators above the break-even with stable income, the S-corp election is usually the right call. The savings are real, recurring, and compound as the business grows.

The key is making the election at the right time, setting a defensible salary from the start, and running the QBI interaction so the compensation split is optimized on both sides.

Deep dive: S-corp compensation planning

Conditions where the S-corp election pays off

  • Net profit consistently above $80K and growing
  • You play an active, full-time role in the business (required for reasonable comp analysis)
  • No plans for outside equity investment or complex multi-owner arrangements
  • You want to reduce self-employment taxes without changing your legal structure
  • You’re already running payroll for employees — incremental cost of owner payroll is lower
  • QBI deduction is in play and W-2 wages from the S-corp would expand your deduction

Get started

Ready to find out which structure is right for your business?

We start with a 30-minute call to review your net profit, role in the business, and growth trajectory — then run the break-even analysis and tell you exactly whether and when the S-corp election makes sense.

Tax services provided through Reese CPA. This page is educational and does not constitute tax advice.