Sole Proprietorship vs LLC: Which to Choose

How a Sole Proprietorship Works

A sole proprietorship is not something you create; it is what you are by default when you conduct business as an individual without forming a legal entity. The moment you start selling products at a farmers market, accepting freelance clients, or listing items on Etsy under your own name, you are a sole proprietor. There is no formation document, no state filing, and no separate tax return. You report all business income and expenses on Schedule C of your personal tax return (Form 1040), and you pay self-employment tax (15.3%) on your net profit in addition to income tax.

The simplicity is the sole proprietorship's greatest strength. You can start immediately, there are no annual reports to file, no operating agreement to draft, and no registered agent to maintain. Your total cost to "form" the business is $0, though you may still need a DBA filing ($10 to $100) if you want to operate under a name other than your legal name, and you will need a business license in most jurisdictions.

The simplicity is also its greatest weakness. You and your business are legally the same entity. If a customer slips on your property, a product you sell injures someone, or a vendor sues you for breach of contract, the judgment is against you personally. The creditor can go after your personal bank accounts, your home equity, your car, your investment accounts, and any other personal property to satisfy the debt. There is no legal wall between your personal wealth and your business obligations.

How an LLC Works

An LLC (Limited Liability Company) is a separate legal entity that you create by filing Articles of Organization with your state's Secretary of State. Once formed, the LLC owns its assets, holds its contracts, and is the defendant in any business-related lawsuits. Your personal assets are protected from business creditors as long as you maintain the separation between yourself and the LLC (keeping separate bank accounts, not commingling funds, maintaining basic records).

A single-member LLC is taxed identically to a sole proprietorship by default. The IRS treats it as a "disregarded entity," meaning all income and expenses still flow through to your personal return on Schedule C, and you still pay self-employment tax on net profit. The tax filing is the same; only the liability protection changes. This is an important point because many new business owners believe forming an LLC will reduce their taxes. It will not, at least not by itself. Tax benefits come later if you elect S-corp taxation, which is a separate decision from LLC formation.

The ongoing costs of an LLC vary by state. Some states charge nothing beyond the initial filing fee. Others impose annual fees, franchise taxes, or both. California charges a minimum $800 annual franchise tax regardless of revenue, which makes an LLC expensive for very small businesses in that state. States like Ohio, Missouri, and Pennsylvania have no annual LLC fee at all. Our state-by-state guide lists the exact annual costs for every state so you can calculate your total LLC expense before filing.

Liability Protection: The Real Difference

Liability protection is the primary reason to choose an LLC over a sole proprietorship, and the value of that protection depends on your specific business risk. Consider these scenarios:

Product liability: You sell a kitchen gadget through your Shopify store. A customer is injured using the product and sues for $200,000 in medical costs and damages. As a sole proprietor, that judgment can take your personal savings, home equity, and other assets. As an LLC, the judgment is against the business entity; your personal assets are protected. Product liability insurance covers most of this risk regardless of structure, but insurance has limits and exclusions, and the LLC provides a second layer of protection.

Business debt: Your product sourcing arrangement goes wrong and you owe a supplier $50,000 for inventory you already sold. As a sole proprietor, that is your personal debt. As an LLC, the supplier's recourse is against the business entity. If the LLC does not have the assets to pay, the supplier cannot come after your personal accounts, assuming you maintained proper separation between personal and business finances.

Contract dispute: A vendor claims you breached a $100,000 contract. Legal defense alone can cost $20,000 to $50,000 even if you win. As a sole proprietor, those legal costs come from personal funds and any judgment is personal. As an LLC, the business bears the cost, and if the worst happens, you can close the LLC without personal financial ruin.

For businesses with low risk, such as a freelance writer working from home with no physical products and no employees, the liability exposure is genuinely minimal, and a sole proprietorship might be adequate. For any business that ships physical products, interacts with customers in person, holds inventory, or works with significant contract values, the LLC's liability protection is worth the cost multiple times over.

Tax Comparison

At formation, a single-member LLC and a sole proprietorship are taxed identically. Both report income on Schedule C, both pay self-employment tax at 15.3% on net profit (12.4% Social Security up to the annual cap plus 2.9% Medicare with no cap), and both qualify for the same deductions. The Qualified Business Income (QBI) deduction under Section 199A lets both structures deduct up to 20% of qualified business income, subject to income limits and business type restrictions.

The tax difference emerges when your LLC elects S-corp taxation. Once your business consistently earns $50,000 or more in annual profit, you can file Form 2553 to have the IRS treat your LLC as an S-corporation for tax purposes. This does not change your state filing or your legal structure. It changes how the IRS taxes your income. As an S-corp, you pay yourself a "reasonable salary" (subject to payroll taxes) and take remaining profits as distributions (not subject to self-employment tax). If your LLC earns $120,000 in profit and you pay yourself a $60,000 salary, you save self-employment tax on the other $60,000, roughly $9,180 per year. A sole proprietorship cannot make this election because it is not a separately recognized entity. Our tax planning guide covers the S-corp election in detail.

Formation and Ongoing Costs

A sole proprietorship costs $0 to start. An LLC costs $50 to $500 for the initial state filing, plus $49 to $300 per year if you use a registered agent service, plus any annual report or franchise tax fees your state requires. In the cheapest states (Kentucky, Mississippi, Arkansas), you can form an LLC for under $100 total first-year cost. In the most expensive states (California, Massachusetts, New York), first-year costs can reach $1,000 to $1,500 when you add the franchise tax and publication requirement (New York requires new LLCs to publish formation notices in two newspapers, costing $300 to $2,000 depending on the county).

For most states, the total annual cost of maintaining an LLC is $100 to $300. When you consider that a single lawsuit or creditor claim could cost tens of thousands of dollars, that annual cost is inexpensive insurance. Think of the LLC formation fee as a liability protection premium: $100 to $300 per year to protect your house, savings, and retirement accounts from business creditors.

When to Start With a Sole Proprietorship

A sole proprietorship makes sense when you are testing a business idea with minimal financial risk, when your revenue is too low to justify even modest formation costs, when you provide services with negligible liability exposure (purely digital services with no customer data), or when you are in California and your business earns less than $800 per year (since the California franchise tax would exceed your entire revenue). Even in these situations, plan to convert to an LLC once the business proves viable and generates consistent revenue. The conversion process is straightforward: form the LLC, transfer assets and accounts from yourself to the LLC, and start operating under the LLC going forward.

When to Form an LLC From Day One

Form an LLC before your first sale if you sell physical products of any kind (product liability risk), if you sign contracts with suppliers, vendors, or customers worth more than trivial amounts, if you collect customer payment information (data breach liability), if you plan to hire employees or contractors, if you will carry inventory worth more than you can comfortably lose, or if you want to build business credit separately from your personal credit. The cost of forming an LLC is minor compared to the cost of a single uninsured liability event. Getting it done before you start operating is far simpler than converting a running sole proprietorship later, when you need to transfer bank accounts, contracts, licenses, and vendor relationships to the new entity.