⚡ Quick Answer
Most small businesses should form an LLC. It gives you personal liability protection, costs $50–$500 to set up, and lets you choose how you're taxed later. If you're making more than $40,000/year in net profit, you can then elect S-Corp tax status (while keeping your LLC) and potentially save thousands on self-employment taxes.
Side-by-Side Comparison
The four most common business entity types, compared on every factor that matters.
| Feature | Sole Proprietorship | General Partnership | LLC Most Popular | S-Corp |
|---|---|---|---|---|
| Formation Cost | $0 — just start | $0 — just start (or $50-$200 with filing) | $50–$500 state fee Medium |
$100–$600+ plus lawyer fees High |
| Personal Liability | No protection — personal assets at risk None |
No protection — each partner liable for all debts None |
Personal assets protected from business debts Strong |
Personal assets protected Strong |
| Taxation | All profit on Schedule C — full self-employment tax (15.3%) | Pass-through to partners — SE tax on full share | Default: pass-through (like sole prop). Can elect S-Corp or C-Corp Flexible |
Salary taxed normally; distributions avoid SE tax Tax-Efficient |
| Self-Employment Tax | 15.3% on all net profit | 15.3% on each partner's share | 15.3% on all profit (unless S-Corp election) | Only on salary portion — distributions exempt Saves $$$ |
| Annual Compliance | Just tax filing — no state requirements Minimal |
Partnership return (Form 1065) + K-1s Low |
Annual report ($0–$300) + registered agent ($50–$150/yr) Moderate |
Corporate formalities + payroll + S-Corp return High |
| Number of Owners | 1 person only | 2+ people | Any number Flexible |
1–100 shareholders (US citizens/residents only) |
| Investment / Funding | Difficult — no equity structure | Limited — equity structuring is informal | Flexible — operating agreement defines equity Good |
Stock-based — preferred by some investors Good |
| Best For | Freelancers testing an idea with zero risk | Two or more people starting without paperwork | Most small businesses and side hustles Recommended |
Profitable businesses ($40K+ net profit) wanting tax savings |
Each Entity Type — In Depth
What you actually need to know before choosing.
Sole Proprietorship
- Zero setup cost or paperwork
- File taxes on your personal return
- Full control, no partners
- Easy to wind down
Pros
- Personal assets at risk (home, savings)
- Full 15.3% self-employment tax on all profits
- Harder to get business loans
- Business dies with you
Cons
General Partnership
- No filing required to exist
- Easy to split profits and responsibilities
- Pass-through taxation (no double tax)
Pros
- Each partner liable for ALL partnership debts
- One partner's bad decision = your problem
- Partner disputes can destroy business
- Full SE tax on each partner's share
Cons
LLC Recommended
- Personal assets protected from lawsuits
- Choose your own tax treatment
- Minimal paperwork vs. corporation
- Can have any number of owners
- No stock or corporate formality requirements
Pros
- State filing fee ($50–$500)
- Annual report and registered agent costs
- Default: SE tax on all profits (fixable with S-Corp election)
Cons
S-Corporation
- Salary + distributions: save $3K–$10K/yr in SE tax
- Strong credibility with banks and investors
- Personal liability protection
- LLCs can elect S-Corp tax treatment\!
Pros
- Must pay yourself "reasonable salary" (IRS scrutinizes)
- Required payroll processing (costly and complex)
- 100-shareholder limit; US citizens only
- Annual corporate formalities required
Cons
Real Tax Numbers: $100,000 Net Profit
Here's what you'd actually owe in self-employment taxes on $100,000 net profit, by entity type. (These are SE taxes only — federal/state income taxes are separate and the same for all pass-through entities.)
(deductible half = $7,065)
without S-Corp election
→ $7,650 SE on salary only
→ $50K distribution is SE-free
= Net $4K–$6K/yr saved
* Example uses 2026 SE tax rates. Actual savings vary based on salary level and state taxes. Consult a CPA for your situation.
Real-World Scenarios
Not sure which entity fits you? Find your situation.
Solo dev billing $80K/year
You work from home, no employees, clients pay you directly. Your biggest risk is a client claiming you damaged their business.
Selling products online
You sell on Shopify or Amazon. Product liability is real — if someone claims your product hurt them, they can sue. Stock also has physical risk.
Starting a startup with a partner
You and a friend are starting a software company. You want to split equity and protect both of you.
Personal trainer with clients
You train clients in person. Injury liability is extremely high in this field — even a minor incident could result in a lawsuit.
Professional with consulting income
You have a W-2 job and earn consulting income on the side. You're earning $30K/year consulting and wondering if you need an entity.
Licensed contractor with employees
You have 3 employees, do renovation work, and have a company truck. You've been operating as a sole prop for 2 years.
The Entity Decision Tree
Answer these questions in order. Most people can pick their entity type in 5 questions.
Do you have a business partner (or plan to)?
If yes, you need a multi-member structure — either a partnership or LLC. A partnership is rarely advisable due to unlimited liability. A multi-member LLC with an operating agreement is almost always better.
Is there meaningful liability risk in your business?
This includes: physical products, in-person clients, employees, vehicles, contracts over $5,000, or any professional advice. If someone could realistically sue you, the answer is yes.
Is your net profit above $40,000/year?
At this income level, the SE tax savings from an S-Corp election typically exceed the additional accounting costs. Below this threshold, the cost-benefit usually doesn't favor S-Corp status.
Are you just testing an idea (under 6 months)?
If you're doing $500/month or less and genuinely unsure if this will be a real business, operating as a sole proprietor temporarily is acceptable. But set a trigger to form the LLC once you hit $20K/year in revenue.