# LLC vs S-Corp: The Real Tax Difference, Explained

URL: https://elevatedtaxstrategies.com/tax-planning/llc-vs-s-corp-vs-c-corp/
Markdown: https://elevatedtaxstrategies.com/tax-planning/llc-vs-s-corp-vs-c-corp.md
Category: Tax Planning
Published: 2026-03-13
Author: Ramon Liriano Jr.

> LLC vs S-Corp vs C-Corp compared: self-employment tax, paperwork, and the income level where an S-corp actually pays off. Plain comparison, no jargon.

## TLDR

**LLC** is the default for almost everyone: flexible, easy, asset-protection without corporate complexity. **S-Corp election** (filed on top of an LLC) makes sense once net income clears ~$80K-100K because of self-employment tax savings. **C-Corp** only makes sense if you're taking outside investment (VC, angel, institutional) or you genuinely need to retain large profits inside the entity at a 21% federal rate. For most owners, the answer is LLC → S-corp election when income justifies it.

In this guide, you'll learn:

- See the five entity types every U.S. business operates under (and the default tax treatment of each)
- Understand when LLC, S-Corp election, and C-Corp each genuinely fit, and what they cost to operate
- Get the practical decision flowchart we run on every Discovery call
- Recognize the three narrow scenarios where C-Corp is actually the right answer (VC investment, retained profits, QSBS §1202)
- Avoid the "form in Delaware by default" mistake that costs operating businesses real money

## The decision frame

Every business in the U.S. operates as one of these entity types:

- **Sole proprietorship:** default if you do nothing
- **Partnership:** default if 2+ people do nothing together
- **Limited Liability Company (LLC):** formed at the state level
- **S-Corporation:** a tax election available to LLCs or corporations
- **C-Corporation:** a separately incorporated entity, taxed as its own taxpayer

Most owner-operators have a single optimal answer, and most are choosing wrong because they picked based on a friend's advice or what LegalZoom recommended on the day they formed.

## LLC (Limited Liability Company)

**What it is:** A state-law entity that gives you asset protection (your business assets are separate from your personal assets) and operational flexibility. By default, a single-member LLC is taxed as a sole proprietorship; a multi-member LLC is taxed as a partnership.

**When it makes sense:** Almost always, as the foundation. The LLC is rarely the wrong answer for the _legal_ structure. The question is what _tax_ election you make on top of it.

**Cost to operate:** State filing fee + annual report ($100-$300/yr depending on state). In Texas, the franchise tax + Public Information Report on top of formation. Minimal operational complexity.

**Tax treatment:** Single-member LLC defaults to Schedule C (sole prop) on your 1040. Multi-member LLC defaults to partnership (Form 1065). Either can elect S-corp or C-corp tax treatment.

**When NOT to use:** [Rental real estate](https://elevatedtaxstrategies.com/real-estate-investing/rental-property-llc-vs-personal-name/) sometimes belongs in a different structure (DST, partnership-LLC with multiple owners). Pure passive holding might be a trust. Some professional services have state-specific PLLC requirements.

## S-Corp Election (filed on an LLC or Corporation)

**What it is:** A federal tax election ([Form 2553](https://elevatedtaxstrategies.com/tax-planning/how-to-elect-s-corp-form-2553-step-by-step/)) that changes how the entity is taxed. The entity itself can still be an LLC at the state level, the S-corp is purely a tax classification.

**When it makes sense:** Net business income clears ~$80K–$100K and you can document reasonable compensation for the owner. The election typically saves $5K-$30K/yr in [self-employment tax](https://elevatedtaxstrategies.com/tax-planning/llc-vs-s-corp-tax-math-by-income-level/) depending on income level.

**Cost to operate:** Running payroll for the owner (~$40-$80/mo via Gusto). Reasonable comp documentation maintenance. Slightly more complex tax return (Form 1120-S + K-1s). Net operational cost is real but small compared to the savings.

**Tax treatment:** Owner pays themselves W-2 wages subject to payroll tax. Remaining net income flows to owners via K-1 as distribution income, not subject to self-employment tax.

**When NOT to use:** Net income under ~$80K (math doesn't work). Rental real estate (distribution rules + loss passthrough don't work). Multiple owners with materially different operating roles (partnership taxation is cleaner). Taking outside investment (VCs want C-corp).

## C-Corporation

**What it is:** A separately incorporated entity that's taxed as its own taxpayer at the 21% federal rate. Owners are shareholders; income flows to them only as W-2 wages or dividends.

**When it makes sense:** Three scenarios, all narrow.

**(1) Taking outside investment.** VC funds and most institutional investors require C-corp structure (typically Delaware C-corp) for legal reasons. They can't be in pass-through entities for fund-structure reasons.

**(2) Genuinely retaining large profits inside the entity.** If you're building up working capital or reinvesting heavily in operations and don't need to take the cash out personally, the 21% federal C-corp rate beats the 32-37% personal rate.

**(3) [QSBS Section 1202](https://elevatedtaxstrategies.com/tax-planning/qsbs-section-1202-explained/) planning.** Founders of qualified small business C-corps can exclude up to $10M (or 10× basis) of federal capital gains on sale after a 5-year hold. For SaaS founders planning an exit, this can be a six- or seven-figure benefit.

**Cost to operate:** Much higher than LLC or S-corp. Separate tax return (Form 1120). Double taxation if you distribute earnings as dividends (corp pays 21%, then dividends are taxed again at 15-20%). Delaware franchise tax + state-level filings. Often $2K-$5K/yr in compliance costs alone.

**Tax treatment:** Entity-level 21% federal tax. Dividends to shareholders taxed at qualified-dividend rates. Owner compensation via W-2 wages (subject to payroll tax).

**When NOT to use:** Almost everywhere except the three scenarios above. For 95% of small businesses, C-corp is the wrong answer.

## The three structures at a glance

**LLC vs. S-Corp vs. C-Corp (2026)**

|  | LLC | S-Corp | C-Corp |
| --- | --- | --- | --- |
| What it is | A state-law entity with asset protection and flexible tax treatment | A federal **tax election** filed on top of an LLC or corporation | A separately incorporated entity, taxed as its own taxpayer |
| When it fits | Almost always, as the foundation | Net income clears ~$80K-$100K with documented reasonable comp | Taking outside investment, retaining large profits, or QSBS §1202 planning |
| Cost to operate | $100-$300/yr filing + annual report; minimal complexity | Owner payroll (~$40-$80/mo) + Form 1120-S; small vs. the savings | $2K-$5K/yr; separate Form 1120 + Delaware franchise tax |
| Tax treatment | Pass-through: Schedule C (single) or Form 1065 (multi) | Owner W-2 wages taxed; K-1 distributions avoid SE tax | 21% federal entity tax; dividends taxed again at 15-20% |
| When NOT to use | Rental real estate, passive holding, or state PLLC cases | Under ~$80K net, rentals, unequal multi-owner roles, or VC-track | Almost everywhere outside the three narrow scenarios |

## Decision flowchart

Here's the practical decision tree we run on every Discovery call:

**The Discovery-call decision tree: Which structure *fits your business*?**

- **Taking outside investment in the next 24 months** → C-Corp (Delaware). VC funds and institutional investors require C-corp structure for fund-structure reasons.
- **SaaS founder with a possible QSBS exit** → C-Corp. QSBS §1202 can exclude up to **$10M** of gain after a 5-year hold. Start as a C-corp so the clock runs from formation.
- **Net business income under $80K** → LLC (sole-prop or partnership). Below the break-even, the cost of S-corp payroll and compliance eats the savings.
- **Net business income $80K-$10M+** → LLC + S-corp election (recommended). Reasonable comp benchmarked + documented, payroll through Gusto. This is the answer for most owner-operators.
- **Rental real estate** → LLC, not S-corp. Hold rentals in an LLC taxed as a partnership or sole prop. Distribution and loss-passthrough rules break inside an S-corp.
- **Multiple owners with different operating roles** → LLC partnership. Partnership taxation handles unequal work and unequal pay far more cleanly than an S-corp's pro-rata rules.

For most owner-operators, the answer is the LLC + S-corp election once income justifies it.

For most owner-operators, the answer is the LLC + S-corp election. LLC at the state level, S-corp election on top, reasonable comp benchmarked + documented, payroll through Gusto.

## What about Delaware?

Delaware is the standard for venture-backed C-corps because of well-developed corporate case law + flexible chancery courts. For an LLC operating in Texas with Texas customers, Delaware adds cost (Delaware franchise tax + Delaware annual reports + Texas registration as foreign LLC) without operational benefit. **Form in the state where you actually do business**, unless you're VC-track.

## Common questions

**Can I change entity types later?**
Yes, but with friction. LLC to S-corp is easy (just file Form 2553). S-corp to LLC partnership requires liquidation analysis and can trigger built-in-gains tax. LLC to C-corp requires the conversion + can be structured tax-free under specific rules. **Pick the right structure from the start when possible.**

**What about the 5-year QSBS clock:** can I convert later?
Theoretically yes, but the QSBS holding period starts at the _qualified_ entity formation. If you operate as an LLC for 3 years then convert to C-corp, your QSBS clock starts at conversion, not at original formation. If QSBS is in the plan, start as a C-corp.

**Do all states recognize the S-corp election?**
Most do (the federal election automatically applies at the state level). A few states (California, New Jersey, New York) require a separate state-level S-corp election. We handle this where applicable.

**Can a single-member LLC be a partner in another partnership?**
Yes. A single-member LLC is a "disregarded entity" by default, which means it can hold partnership interests. Common structure for holdco / opco setups.

**What's a "Series LLC"?**
A series LLC is an LLC structure (available in ~17 states) where multiple "series" exist under one parent LLC, each with separate liability. Useful for real estate investors with multiple properties. We have a dedicated article on Series LLC coming.

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If you're forming a new business or restructuring an existing one, the [Discovery call](https://elevatedtaxstrategies.com/discovery/) is the right next step. We model the right structure against your specific situation and quote the engagement.