LLC vs. S-Corp vs. C-Corp: What’s the Difference?
The names sound like three competing choices—but they do not describe exactly the same thing. This guide helps business owners understand the basic legal and federal tax differences before making an entity or tax-election decision.
Separate the Legal Structure From the Tax Treatment.
Many business owners hear “LLC or S-Corp?” when the real question may involve both how the business is legally organized and how it is taxed.
One business can be both an LLC and taxed as an S corporation.
For federal income-tax purposes, a single-member LLC is generally disregarded by default and a multi-member LLC is generally treated as a partnership by default, unless an election changes its federal tax classification. An eligible entity may elect corporate treatment, and an eligible corporation may elect S-corporation status.
Three Common Business Conversations.
The right analysis depends on ownership, profit, compensation, growth plans, benefits, compliance costs, and long-term goals.
Limited Liability Company
What it is: A business entity formed under state law.
- Flexible ownership structure
- Federal tax treatment depends on elections and number of owners
- A single-member LLC may report business activity directly on the owner’s return by default
- An eligible LLC can potentially elect S-corporation taxation
Federal Tax Election
What it is: A federal tax status available to qualifying corporations and eligible entities.
- Generally passes tax items through to shareholders
- Shareholder-employees who perform services generally must receive reasonable compensation
- Payroll and additional compliance are part of the analysis
- Eligibility and ownership restrictions apply
Separate Corporate Taxpayer
What it is: The default federal tax treatment for a corporation unless another valid election applies.
- The corporation generally pays federal income tax on taxable income
- Shareholders may also be taxed when earnings are distributed as dividends
- Can accommodate broader ownership and capital structures
- Growth, reinvestment and investor strategy may matter
See the Differences at a Glance.
This is a simplified educational comparison. Specific tax consequences depend on the facts.
| Question | LLC — Default Tax Treatment | S-Corp Tax Status | C-Corp Tax Treatment |
|---|---|---|---|
| What is it? | State-law entity; federal tax classification depends on ownership and elections | Federal tax election/status for eligible entities | Corporate federal tax treatment |
| Federal income tax | Often reported by owner(s) under default disregarded-entity or partnership rules | Generally pass-through to shareholders | Generally paid by the corporation on corporate taxable income |
| Working owner | Treatment depends on federal tax classification | Shareholder-employee compensation rules are important | Employee-shareholders can receive wages; compensation rules still matter |
| Payroll-tax planning | Depends on classification and owner activity | Often a major part of the analysis; reasonable compensation is essential | Wages are subject to applicable payroll taxes; dividends follow separate rules |
| Ownership | Often flexible under state law | Federal eligibility restrictions apply | Generally broader ownership/capital flexibility |
| Administration | Varies by classification and state | Payroll, separate return, elections and records add work | Separate corporate return and corporate compliance |
Profit Alone Doesn’t Decide It.
Potential payroll-tax savings can be important, but an S-corporation analysis also considers reasonable compensation, payroll costs, tax-return costs, state taxes, retirement planning, QBI implications, and the owner’s actual business facts.
Reasonable compensation matters.
An S-corporation strategy is not simply “take the lowest salary possible.” Shareholder-employees who provide services must consider reasonable compensation based on the work performed and relevant facts.
What Should Drive the Conversation?
Start with the business itself rather than a social-media rule of thumb.
Choose the Structure Around the Business—not the Buzzword.
CPA Tony can compare the tax and compliance implications using your actual profit, ownership, compensation, and goals.