LLC vs Sole Proprietorship: Which Is Right for Your Business?

Every new business owner faces this question: should you form an LLC or just operate as a sole proprietor? The answer depends on your risk tolerance, income level, and growth plans. Here’s an honest comparison to help you decide.

What’s the Difference?

A sole proprietorship is the default. If you start selling goods or services without forming a legal entity, you’re automatically a sole proprietor. There’s no paperwork to file with the state, no formation fees, and no ongoing compliance requirements (beyond basic business licenses).

An LLC (Limited Liability Company) is a legal entity you create by filing formation documents with your state. It exists separately from you, which is the source of most of its advantages.

The fundamental difference is this: as a sole proprietor, you and your business are legally the same person. As an LLC owner, you and your business are legally separate entities.

Liability Protection

This is the biggest difference, and it’s not close.

Sole proprietorship: Zero liability protection. If your business gets sued, creditors can come after everything you own — your savings, your house, your car, your retirement accounts (in most states). A $50,000 judgment against your business is a $50,000 judgment against you personally.

LLC: Your personal assets are generally protected from business liabilities. If your LLC gets sued, only the assets owned by the LLC are at risk. Your personal savings, home, and other assets are off-limits (assuming you’ve maintained proper separation between personal and business finances).

Real example: A freelance web developer delivers a website with a security vulnerability. The client’s customer data gets exposed, and the client sues for $200,000 in damages.

As a sole proprietor: the developer is personally liable for the full $200,000
As an LLC: only the LLC’s assets are at risk; the developer’s personal assets are protected

This protection isn’t absolute. Courts can “pierce the corporate veil” if you’ve been treating your LLC like a personal piggy bank — commingling funds, not maintaining an operating agreement, or using the LLC to commit fraud. But with basic maintenance, the protection holds.

Taxes

Here’s where things get nuanced.

Sole proprietorship taxation:

Report business income on Schedule C of your personal Form 1040
Pay self-employment tax (15.3%) on all net business income
On $100,000 in profit, you’d owe roughly $15,300 in self-employment tax alone, before income tax

Single-member LLC taxation (default):

Taxed exactly the same as a sole proprietorship — the IRS treats it as a “disregarded entity”
Report business income on Schedule C
Pay the same 15.3% self-employment tax

Wait — if taxes are the same, what’s the point?

The S-corp election. Once your LLC is earning consistent profits ($50,000+ annually), you can elect S-corp tax treatment (by filing IRS Form 2553). This lets you split your income into two buckets:

Reasonable salary — Subject to self-employment tax (15.3%)
Distributions — Not subject to self-employment tax

Example: Your LLC earns $120,000 in profit.

As a sole proprietor: You pay self-employment tax on all $120,000 = ~$18,360
As an S-corp LLC: You pay yourself a $60,000 salary (SE tax: ~$9,180) and take $60,000 as distributions (no SE tax) = ~$9,180 in SE tax
Savings: ~$9,180 per year

The S-corp election comes with additional requirements (payroll processing, quarterly payroll tax filings, and a “reasonable salary” that withstands IRS scrutiny), so it doesn’t make sense until you’re earning enough to offset the added complexity. Most accountants recommend it around $50,000-$80,000 in annual profit.

For a deeper dive, see our LLC tax benefits guide.

Startup Costs

Sole proprietorship:

Formation: $0
Business license: $50-$400 (varies by location)
DBA filing (if using a business name): $10-$100
Total: $50-$500

LLC:

State filing fee: $40-$500 (varies by state)
Registered agent: $100-$300/year (or free if you act as your own)
Operating agreement: $0 (template) to $1,500 (attorney-drafted)
EIN: $0 (free from the IRS)
LLC formation service: $0-$299
Total: $40-$1,000+ in year one

The cost gap has narrowed significantly. With free formation services like ZenBusiness and Bizee, you can form an LLC for just the state filing fee — as low as $40 in Kentucky.

Ongoing Compliance

Sole proprietorship: Minimal. File your taxes, renew your business license, and you’re done.

LLC: More paperwork, but manageable:

Annual reports (most states, $0-$300)
Franchise taxes (some states — California’s $800/year is the worst)
Maintaining a registered agent
Keeping business and personal finances separate
Maintaining your operating agreement

Most LLC owners spend 2-3 hours per year on compliance. It’s not burdensome, but it’s not zero.

Credibility and Perception

This matters more than people think:

Some clients and companies won’t hire sole proprietors as independent contractors
Banks may offer better terms to LLCs than sole proprietors
“Smith Consulting LLC” on a contract carries more weight than “John Smith”
Some government contracts require a legal entity

If you’re a casual side-hustler making a few hundred dollars a month, this probably doesn’t matter. If you’re building a serious freelance or consulting business, it matters a lot.

When a Sole Proprietorship Is Fine

A sole proprietorship makes sense if:

You’re testing a business idea and aren’t sure it’ll last
Your business has very low liability risk (e.g., you’re tutoring neighborhood kids)
Your annual revenue is under $10,000
You’re doing this as a hobby that happens to generate income
You plan to form an LLC later once the business proves itself

When You Should Form an LLC

You should form an LLC if:

You have clients (especially clients who could sue you)
Your business earns more than $20,000/year
You have business assets worth protecting (equipment, inventory, IP)
You want to separate personal and business finances clearly
You plan to take on business debt (loans, credit lines)
You’re in a higher-risk industry (consulting, construction, real estate, food service)
You want the option of S-corp tax savings in the future

Side-by-Side Comparison

Feature	Sole Proprietorship	LLC
Formation cost	$0	$40-$500
Liability protection	None	Strong
Tax treatment	Schedule C	Schedule C (default) or S-corp election
Self-employment tax	On all profit	On all profit (or salary only with S-corp)
Annual compliance	Minimal	Moderate
Privacy	Name on public records	Varies by state
Credibility	Lower	Higher
Raising capital	Difficult	Easier

The Bottom Line

For any business with real clients, meaningful revenue, or liability exposure, an LLC is worth the cost. The personal asset protection alone justifies the $40-$200 in state fees. Add in the tax flexibility (especially S-corp election at higher income levels) and increased credibility, and the case is strong.

The only scenario where a sole proprietorship clearly wins is when you’re just getting started, testing an idea, and want zero friction. Even then, consider forming an LLC sooner rather than later — the longer you wait, the more tangled your personal and business finances become.

Need help deciding? Our guide on whether you actually need an LLC digs deeper into this question. Ready to move forward? Check out our step-by-step guide to starting an LLC or compare the best LLC formation services.