This is the question I get asked more than any other.

Every week I talk to business owners, side hustlers, freelancers, and entrepreneurs who are confused about the difference between an LLC, an S-Corp, and a Schedule C — and more importantly, which one they should be in right now.

The confusion is understandable. The terminology gets thrown around interchangeably, the internet gives conflicting advice, and most accountants never take the time to explain it clearly.

So let me break it down once and for all.


Start Here — What Is a Schedule C?

A Schedule C is not a business entity. It’s a tax form.

If you’re a sole proprietor — meaning you’re running a business in your own name without any formal entity — you report your business income and expenses on Schedule C, which is attached to your personal tax return.

This is where most people start. You open a business. You start making money. You report it on Schedule C. Simple.

The problem is that Schedule C is the most expensive way to operate a business from a tax perspective.

Every dollar of profit on a Schedule C is subject to:

  • Self-employment tax of 15.3% on the first $160,200
  • Federal income tax at your personal rate — up to 37%
  • State income tax

There is no separation between you and your business. No liability protection. No ability to retain earnings at a lower rate. No structural advantage of any kind.

Schedule C is fine when you’re just starting out and making very little money. The moment your business starts generating meaningful income it becomes the most expensive structure you can be in.


What Is an LLC?

An LLC — Limited Liability Company — is a legal entity. You form it with your state, you pay a filing fee, and from that point forward your business exists as a separate legal entity from you personally.

The primary benefit of an LLC is liability protection. If someone sues your business, your personal assets — your home, your car, your personal bank accounts — are generally protected from that lawsuit. Without an LLC you have no such protection.

An LLC by itself is what’s called a disregarded entity for tax purposes. If it’s a single-member LLC — meaning you’re the only owner — the IRS treats it exactly like a Schedule C. The income still passes through to your personal return and gets hit with the same self-employment tax.

So the LLC gives you legal protection. It does not by itself give you a tax advantage.


When Do You Need an LLC?

You need an LLC the moment you have something to lose.

If you’re doing any meaningful amount of business — even a side hustle generating $20,000 or $30,000 a year — and you have personal assets you want to protect, you should have an LLC.

The filing cost is typically $50 to $500 depending on your state. The protection it provides is worth multiples of that from day one.

Here are the specific situations where you need an LLC immediately:

  • You’re generating any revenue from a business activity
  • You have clients, customers, or contracts in your name
  • You have employees or contractors working for you
  • You own real estate or other assets that generate income
  • You have personal assets — a home, savings, investments — that you want protected

If any of those apply to you, you need an LLC. Today.


What Is an S-Corp?

An S-Corp is a tax election — not a separate type of entity.

You can elect S-Corp tax treatment for either an LLC or a corporation by filing Form 2553 with the IRS. Once that election is made your business is taxed as an S-Corp regardless of whether the underlying entity is an LLC or a corporation.

Here’s what changes when you make the S-Corp election:

Instead of all your profit being subject to self-employment tax, you split your income into two buckets:

Reasonable salary — you pay yourself a W-2 salary that is reasonable for the work you do. This portion is subject to payroll taxes — Social Security and Medicare — just like any employee salary.

Distributions — profit above your salary is distributed to you as an owner distribution. This portion is NOT subject to self-employment tax.

That distinction is where the tax savings come from.

Here’s a simple example:

Without S-Corp election: $200,000 profit → all $200,000 subject to SE tax → approximately $28,000 in SE tax

With S-Corp election: $200,000 profit → $80,000 reasonable salary + $120,000 distribution SE tax applies only to $80,000 salary → approximately $11,000 in SE tax Savings: approximately $17,000 per year


When Do You Need the S-Corp Election?

The S-Corp election makes sense when your net profit from self-employment consistently exceeds $50,000 to $80,000 per year.

Below that threshold the administrative costs of running payroll, filing additional tax returns, and maintaining the election can offset the tax savings.

Above that threshold the savings are almost always substantial enough to make the election worthwhile.

Here’s the general rule of thumb:

  • Under $50,000 net profit: Stay as an LLC — Schedule C or single-member LLC is fine
  • $50,000 to $100,000 net profit: S-Corp election starts to make sense — run the numbers
  • Over $100,000 net profit: S-Corp election almost always makes sense — you’re likely leaving $10,000 to $30,000 on the table every year without it
  • Over $500,000 net profit: S-Corp may not be the best answer — a C-Corp structure deserves serious consideration

LLC vs S-Corp — What’s the Difference in Practice?

This is where the confusion usually peaks. People talk about LLCs and S-Corps as if they’re the same type of thing. They’re not.

An LLC is a legal structure — it determines how your business is organized and how it’s protected.

An S-Corp is a tax classification — it determines how your business income is taxed.

You can have an LLC that is taxed as an S-Corp. In fact that’s one of the most common structures for small business owners. It gives you the simplicity and flexibility of an LLC with the tax advantages of S-Corp treatment.


What About a C-Corp?

A C-Corp is a separate legal entity that is taxed at the corporate level — currently 21% flat — rather than passing income through to your personal return.

A C-Corp makes the most sense when:

  • Your business is generating $500,000 or more in revenue
  • You want to retain significant earnings inside the business at the lower corporate rate
  • You have multiple business lines or subsidiaries you want to organize under one parent entity
  • You’re planning to raise outside investment
  • You want to position for a Section 1202 QSBS exit — potentially tax-free gains up to $10 million

A C-Corp is not the right answer for every business. But for high-revenue businesses it is often dramatically more tax-efficient than any other structure.


The Decision Framework — Which One Do You Need?

Here’s the simple version:

Just starting out, under $50K profit: → Form an LLC for protection → File as a sole proprietor on Schedule C → Keep it simple

Growing business, $50K–$100K profit: → Keep your LLC → Consider making the S-Corp election → Run the numbers with a tax advisor

Established business, $100K–$500K profit: → LLC taxed as S-Corp is likely the right move → Start thinking about a Shared Services entity → Build a real tax strategy — not just a tax return

High-revenue business, $500K+: → Multi-entity structure with a C-Corp deserves serious consideration → S-Corp may still be right depending on your situation → This is where professional tax strategy pays for itself many times over

Professional athlete or high-income W-2 earner: → An LLC or S-Corp for your personal services, endorsements, and side income → A personal tax deduction strategy that offsets your W-2 income → A retirement vehicle that maximizes contributions during your peak earning years


The Most Expensive Mistake

The most expensive mistake I see business owners make is staying in the wrong structure too long.

They start on Schedule C. The business grows. They never form the LLC. They never make the S-Corp election. They never think about a C-Corp. And year after year they pay tens of thousands more in taxes than they need to — simply because nobody sat down with them and walked through the options.

The right structure at the right time is one of the highest-return decisions you’ll make in your business. And it’s not complicated once someone explains it clearly.


Not Sure Which One You Need?

That’s exactly what a strategy call is for. In 30 minutes we can look at your current situation — your revenue, your structure, your goals — and tell you exactly which entity you should be in, whether you should make the S-Corp election, and what changes would have the biggest impact on your tax bill this year.

Schedule Your Free Consultation →

No obligation. No pitch. Just answers.


JW Tax & Consulting, LLC — Veteran Owned Plano, TX · Fort Lauderdale, FL Advanced Tax Strategy · Entity Structuring · High-Earner Advisory