Sole proprietorship vs LLC: how to choose the right structure

Published Friday 15 May 2026

Sole proprietorship vs LLC: how to choose the right structure

Picking the right business structure shapes your taxes, liability, and daily operations.

Table of contents

• What is a sole proprietorship?
• What is an LLC?
• Sole proprietorship pros and cons
• LLC pros and cons
• Key differences between a sole proprietorship and an LLC
• How other business structures compare
• Real-world scenarios: when each structure fits best
• How to switch from a sole proprietorship to an LLC
• Manage your business finances with Xero
• FAQs on sole proprietorship vs LLC

Key takeaways

• Sole proprietorships are the simplest way to start a business, with no formal filing required, but they offer zero personal liability protection.
• LLCs shield your personal assets from business debts and lawsuits, though they cost more to set up and maintain.
• Tax treatment is similar for single-member LLCs and sole proprietorships by default, but an LLC gives you the option to elect S corp status for potential tax savings.
• Choosing between them depends on your risk tolerance, growth plans, and how much admin you're willing to handle.

What is a sole proprietorship?

A sole proprietorship is an unincorporated business owned and run by one person. It's the default structure the IRS assigns when you start earning income without forming a separate entity. You don't file formation documents with the state; you simply start doing business.

Your business income and expenses go directly on your personal tax return using Schedule C (Form 1040), and you pay self-employment tax of 15.3% on net earnings. If you want to operate under a name other than your legal name, you register a "doing business as" (DBA) name with your state or county.

What is an LLC?

A limited liability company (LLC) is a formal business structure that separates your personal assets from your business obligations. To form one, you file articles of organization with your state and pay a filing fee that typically ranges from $35 to $500 or more, depending on where you live.

Once formed, an LLC creates a legal barrier between your personal finances and your business. This means creditors generally can't come after your home, car, or savings to settle business debts.

Most states also require you to designate a registered agent, which is a person or service authorized to receive legal documents on behalf of your LLC.

Sole proprietorship pros and cons

Both structures have trade-offs. Here's what works in favor of a sole proprietorship, and what doesn't.

Pros of a sole proprietorship

A sole proprietorship keeps things simple from the start:

• Zero startup cost. You don't file formation paperwork or pay state fees to begin operating.
• Full control. Every business decision is yours without needing approval from partners or a board.
• Simple tax filing. You report business income and expenses on Schedule C alongside your personal return.
• Minimal paperwork. There are no annual reports, meeting minutes, or operating agreements to maintain.

Cons of a sole proprietorship

The simplicity comes with real risks:

• Unlimited personal liability. Your personal assets, including your home and savings, are exposed if someone sues the business or it can't pay its debts.
• Harder to raise capital. Banks and investors often prefer lending to formally structured businesses.

LLC pros and cons

An LLC adds structure and protection, but it also adds complexity. Here's how the trade-offs break down.

Pros of an LLC

Forming an LLC brings several advantages worth considering:

• Liability protection. Your personal assets are generally shielded from business lawsuits and debts.
• Tax flexibility. By default, a single-member LLC is taxed like a sole proprietorship, but you can elect to be taxed as an S corp or C corp if it makes financial sense.
• Enhanced credibility. Having "LLC" in your business name signals legitimacy to clients, vendors, and lenders.

Cons of an LLC

The added protection comes with trade-offs:

• Higher startup costs. Filing fees, registered agent fees, and potential legal costs add up during formation.
• More administrative work. Many states require annual reports and franchise taxes to keep your LLC in good standing.
• Separate finances required. You need to maintain a dedicated business bank account and keep personal and business expenses apart to preserve your liability protection.

Key differences between a sole proprietorship and an LLC

Understanding the core differences helps you make a confident decision. Here's how these two structures compare across the areas that matter most.

Liability protection

This is the biggest distinction between the two. A sole proprietorship offers no separation between you and the business. If your business faces a lawsuit or can't pay a debt, your personal bank accounts, home, and other assets are at risk.

An LLC creates what's called a "liability shield." As long as you maintain proper separation between business and personal finances, your personal assets stay protected. That said, courts can "pierce the corporate veil" if you mix personal and business funds or commit fraud.

Tax treatment

By default, both structures are taxed the same way for single-member businesses. Business income passes through to your personal return, and you pay self-employment tax on net earnings.

The key difference is flexibility. An LLC can elect to be taxed as an S corporation, which may reduce your self-employment tax bill if you're earning above a certain threshold. With an S corp election, you pay yourself a reasonable salary (subject to payroll taxes) and take remaining profits as distributions, which aren't subject to self-employment tax.

A sole proprietorship doesn't have this option.

Setup and compliance

Starting a sole proprietorship takes almost no effort. You can begin operating the same day you decide to start a business. The only potential filing is a DBA registration if you use a business name different from your legal name.

An LLC requires more upfront work. You'll file articles of organization, choose a registered agent, and pay your state's filing fee. Many states also charge annual or biennial report fees and franchise taxes. According to the Small Business Administration, understanding these requirements before you launch helps you avoid compliance issues down the road.

Ongoing management and record-keeping

A sole proprietorship has minimal ongoing requirements. You track income and expenses for tax purposes and that's about it.

An LLC demands more discipline. You should keep detailed records, hold annual meetings (even if you're the only member), and maintain an operating agreement. Most importantly, you need a separate business bank account to preserve your liability protection. Commingling personal and business funds is one of the fastest ways to lose that legal shield.

How other business structures compare

Sole proprietorships and LLCs aren't your only options. Here's a brief look at how partnerships and corporations fit into the picture.

General partnership

A general partnership involves two or more people running a business together.

• Shared management. All partners split profits, losses, and decision-making duties.
• No formal filing. Most states don't require paperwork, though a partnership agreement is strongly recommended.
• Unlimited liability. Each partner is personally responsible for all business debts.

Limited partnership (LP)

A limited partnership separates management from investment.

• Mixed liability. At least one general partner faces unlimited liability, while limited partners risk only their investment.
• Passive investors. Limited partners typically don't participate in day-to-day management.
• State filing required. You need to register with your state to form an LP.

C corporation

A C corporation is a fully separate legal entity from its owners.

• Corporate tax rate. The business pays its own income tax at the federal rate (currently 21%).
• Double taxation. Shareholders pay tax on dividends after the corporation has already paid tax on profits.
• Capital-raising advantage. Best suited for businesses planning to raise significant outside investment or go public.

S corporation

An S corporation combines corporate structure with pass-through taxation.

• Pass-through income. Profits and losses flow to shareholders' personal returns, avoiding double taxation.
• Ownership limits. Restricted to 100 shareholders, all of whom must be US citizens or residents.
• Rigid rules. More formal ownership and management requirements than an LLC.

For most small business owners and solopreneurs, the choice comes down to a sole proprietorship or an LLC. Partnerships and corporations typically suit businesses with multiple owners or larger growth ambitions.

Real-world scenarios: when each structure fits best

The right structure depends on your specific situation. Here are a few examples to illustrate when each one makes sense.

Freelance graphic designer

You work solo from home, your clients pay you directly, and your biggest business risk is a missed deadline. A sole proprietorship keeps things simple and costs nothing extra to maintain. You file Schedule C at tax time and move on.

Independent contractor who just hired employees

Your business is growing, and with employees come added risks, including workers' compensation claims, workplace injuries, and potential lawsuits. Switching to an LLC protects your personal assets while giving your business a more professional image.

Management consultant landing corporate clients

Large companies often prefer working with LLCs over sole proprietors. The formal structure signals stability, and the liability protection gives you peace of mind when signing contracts with significant dollar amounts.

Side business selling crafts online

You're making a few hundred dollars a month on a marketplace, and you're not ready to invest in formal business structure. A sole proprietorship makes sense until your revenue grows or your risk profile changes.

How to switch from a sole proprietorship to an LLC

If you've outgrown your sole proprietorship, converting to an LLC is a manageable process. Here's how to make the transition:

1. Choose your state. Most business owners file in the state where they operate, though some choose states with favorable LLC laws like Delaware or Wyoming.
2. File articles of organization. Submit this document to your state's secretary of state office along with the required filing fee.
3. Get a new Employer Identification Number (EIN). Apply for a free EIN from the IRS, even if you had one as a sole proprietor. Your LLC is a new legal entity.
4. Draft an operating agreement. While not required in every state, an operating agreement outlines how your LLC operates and protects your limited liability status.
5. Open a business bank account. Set up a dedicated account in your LLC's name to keep personal and business finances separate.
6. Update contracts and licenses. Notify clients, vendors, and any licensing agencies that your business now operates as an LLC. Update all agreements to reflect the new entity name.
7. Transfer existing assets. Move business assets, such as equipment, inventory, and intellectual property, into the LLC's name.

For a detailed walkthrough, check out this guide on starting an LLC.

Manage your business finances with Xero

Whether you're running a sole proprietorship or an LLC, keeping your finances organized is essential. Accurate bookkeeping helps you stay on top of taxes, track profitability, and make informed decisions about your business structure.

Xero's accounting software makes it easy to separate business and personal transactions, reconcile bank feeds automatically, and generate the reports you need at tax time. As your business grows and your structure evolves, having a reliable accounting system in place means one less thing to worry about.

Get one month free and see how Xero can simplify your business finances.

FAQs on sole proprietorship vs LLC

Here are answers to common questions about choosing between a sole proprietorship and an LLC.

Can a sole proprietorship become an LLC?

Yes, and there's no need to formally dissolve your sole proprietorship first. Once you file your LLC's articles of organization, you simply start operating under the new entity. Keep in mind that the timing matters for taxes: if you convert mid-year, you may need to file as a sole proprietor for part of the year and as an LLC for the rest.

Who pays more taxes, LLC or sole proprietor?

Neither structure automatically results in higher taxes. The real tax difference shows up when an LLC elects S corp status. As a general benchmark, this election tends to become worthwhile once your net business income consistently exceeds $50,000 to $60,000 per year. State-level taxes can also differ, so check your state's treatment of LLCs before making a decision.

Do I need an operating agreement for an LLC?

Not every state legally requires one, but you should have one regardless. An operating agreement defines ownership percentages, profit distribution, and decision-making authority. It also strengthens your liability protection by showing that your LLC operates as a legitimate separate entity.

Can a single-owner business be an LLC?

Absolutely. A single-member LLC is one of the most popular business structures in the United States. You get the liability protection of an LLC with the tax simplicity of a sole proprietorship, since the IRS treats single-member LLCs as disregarded entities by default.

What is the biggest disadvantage of a sole proprietorship?

Unlimited personal liability. If your business faces a lawsuit, accumulates debt, or causes harm, your personal assets are directly exposed. There's no legal barrier between you and the business, which means creditors can pursue your savings, home, and other personal property.

Disclaimer: The information provided in this article is for general informational purposes only and doesn't constitute legal, tax, or financial advice. Tax laws and business regulations vary by state and change over time. Consult a qualified attorney, accountant, or tax advisor for guidance specific to your situation.