What Business Structure Is Best for Me?

When starting a new business, you have a long to-do list: defining the business concept, setting your prices, finding funding, choosing the right retirement plan, registering with your state, and more. One of the most important decisions is choosing your business structure. That choice affects your taxes, your personal liability, how ownership works, and your ability to raise capital.

Below is an overview of the five most common options: sole proprietorships, partnerships, limited liability companies (LLCs), S Corporations, and C Corporations. Each section covers the key benefits and drawbacks. One note up front: an S Corporation is technically a tax election rather than a separate type of entity. An LLC or a corporation can elect S Corporation status, but because it's such a common choice, it gets its own section here.

Sole Proprietorship

A sole proprietorship is a business owned and operated by one person without forming a separate legal entity. It's the most common business structure in the U.S. because it's the simplest to start. There's no formal formation process, since the owner and the business are legally one and the same. You may still need local licenses, permits, or a "doing business as" (DBA) registration if you operate under a name other than your own.

Advantages include:

• Simple to establish

• Low cost

• Business income flows through to your personal return on Schedule C, so there's no separate business tax return

• Profits may qualify for the 20% qualified business income (QBI) deduction, subject to income limits

• You retain total control of the business and its profits

• Simple to close

Disadvantages include:

• Unlimited personal liability, meaning your personal assets are exposed to business debts and lawsuits

• Difficulty raising capital, since you can't sell ownership to investors and lenders often apply stricter standards

• You pay self-employment tax on your net earnings: 15.3%, covering both the employee and employer halves of Social Security and Medicare (the Social Security portion applies up to an annual wage base, $184,500 in 2026)

Partnership

A partnership works much like a sole proprietorship, but with two or more owners. Partners fall into two categories. General partners run the business day to day and are personally liable for its debts. Limited partners contribute capital, don't participate in management, and are generally liable only up to their investment. A general partnership has only general partners; a limited partnership (LP) has at least one of each.

Advantages include:

• Shared workload and responsibility

• More capital and borrowing power

• Low cost to form

• Income flows through to each partner's personal return, generally by ownership percentage or as set out in the partnership agreement

• Profits may qualify for the QBI deduction

Disadvantages include:

• Unlimited personal liability for general partners, including for obligations created by other partners

• Each general partner can bind the partnership to contracts

• Loss of complete control

• Complex exit strategies (a well-drafted partnership agreement helps)

• An annual informational return (Form 1065) and a K-1 for each partner are required

• General partners owe self-employment tax on their share of earnings

Limited Liability Company (LLC)

An LLC can operate much like a sole proprietorship (a single-member LLC) or a partnership (a multi-member LLC), with one key difference: it shields its owners' personal assets from the business's debts and lawsuits. In general, owners are at risk only for what they've put into the business.

That protection has limits:

• Owners remain liable for their own professional negligence.

• Lenders commonly require a personal guarantee on business loans.

• Courts can disregard the LLC if owners mix personal and business finances.

Advantages include:

• Limited liability for owners

• Tax flexibility: by default, an LLC is taxed like a sole proprietorship or partnership, but it can elect to be taxed as an S Corporation or C Corporation

• Simpler operation and paperwork than a corporation

• Can appear more credible to customers and lenders

Disadvantages include:

• State filing fees to form and, in many states, ongoing annual fees or reports

• Personal and business finances must be kept strictly separate to preserve liability protection

• Unless it elects S Corporation status, owners generally pay self-employment tax on all net earnings

S Corporation

An S Corporation is a corporation or an LLC that has elected special tax treatment with the IRS by filing Form 2553. It keeps the liability protection of a corporation or LLC while passing income through to the owners' personal returns, which avoids corporate-level tax. In exchange, it comes with stricter ownership rules.

Advantages include:

• Pass-through taxation, with profits that may qualify for the QBI deduction

• Limited liability for owners

• Potential payroll tax savings: owners who work in the business are paid a reasonable salary, which is subject to Social Security and Medicare taxes, but profits distributed beyond that salary are not

Disadvantages include:

• Strict ownership requirements:

  • Shareholders must generally be U.S. citizens or residents, certain trusts, or estates (no partnerships, corporations, or nonresident aliens)

  • Only one class of stock is allowed

  • No more than 100 shareholders

• Owner-employees must be paid a reasonable salary, and the IRS scrutinizes salaries set artificially low

• You must run payroll and file a corporate return (Form 1120-S) each year

• Higher administrative and accounting costs, which can outweigh the tax savings at lower income levels

C Corporation

A C Corporation is a legal entity fully separate from its owners, who hold their ownership as shares of stock. Because it's a separate taxpayer, the corporation pays tax on its own profits at a flat 21% federal rate, plus any applicable state corporate tax.

Advantages include:

• Limited liability

• Flexible ownership, with no limits on the number or type of shareholders and multiple classes of stock allowed

• Ownership is easy to transfer, which simplifies exit planning

• Easier to raise capital by issuing new shares; generally the structure venture investors prefer

• Flat 21% federal tax rate on profits retained in the business

• Founders and investors may be able to exclude gain on the sale of their stock under the qualified small business stock (QSBS) rules, if requirements are met

Disadvantages include:

• Double taxation: profits are taxed at the corporate level, then again when paid to shareholders as dividends

• Higher setup, maintenance, and reporting costs

• Strict recordkeeping and corporate formalities, such as bylaws, board meetings, and minutes

The Bottom Line

There's no one-size-fits-all answer for which business structure is best for you. Understanding the characteristics of each entity type can help you make informed decisions that align with your financial objectives, operational needs, and long-term strategy. The right choice balances liability protection, tax treatment, administrative requirements, and future growth plans, and it can change as your business grows. If you'd like to weigh your options with one of our financial advisors, in coordination with your CPA and attorney, schedule a meeting here.