Choosing the right business structure is one of the most important decisions for any entrepreneur. Beyond legal and operational considerations, each structure has unique tax implications that can impact your profits, personal liability, and administrative burden.

A Sole Proprietorship is the simplest business structure. It is owned and operated by one person, with no distinction between the owner and the business. The business’s income and expenses are reported on the owner’s personal tax return using Schedule C. Owners must pay self-employment taxes and are eligible to deduct expenses such as home office and business supplies.

Partnerships involve two or more people sharing ownership of a business. Profits, losses, and responsibilities are divided among the partners. The partnership itself does not pay taxes, any profits and losses are passed through to the partners who must report them on their personal tax return. Each partner must pay self-employment taxes on their share of the profit. In addition to reporting on their personal tax return, partnerships must file a Form 1065 tax return.

Limited Liability Company (LLC) is a flexible structure that provides the liability protection of a corporation with the tax advantages of a partnership. By default, single-member LLCs are taxed as sole proprietorships and multi-member LLCs are taxed as partnerships. LLCs can choose to be taxed as an S Corporation or C Corporation by making an election with the IRS, providing additional tax planning opportunities. Like sole proprietorships and partnerships, LLC members are typically subject to self-employment taxes on their earnings, unless they elect S Corp or C Corp taxation.

An S Corporation is a special tax designation that allows a corporation or LLC to avoid double taxation while providing liability protection. Income is passed through to shareholders to report on their personal tax returns. S Corps are limited to 100 shareholders, and they must be US citizens or residents. Shareholders who work in the business must be paid a reasonable salary, subject to payroll taxes. Remaining profits may be distributed as shareholder distributions, which are not subject to self-employment taxes.

C Corporations are a separate legal entity that pays its own taxes. It is suitable for businesses seeking to reinvest profits, raise capital, or go public. The corporation pays taxes on its profits, and shareholders pay taxes again on the dividends they receive. Profits can be retained within the company to avoid immediate taxation for shareholders.  Per the Tax Cuts and Jobs Act, C Corps are taxed as a flat rate of 21%. Additionally, profits can be retained within the company to avoid immediate taxation for shareholders. However, the IRS can assess Accumulated Earnings & Profits (AE&P) excise tax if the C Corporation doesn’t distribute it’s profits.

The tax implications of your business structure can have long-term consequences for your finances and operations. Consulting with a tax professional or attorney may be beneficial to choose the structure that best aligns with your goals and circumstances. By understanding these distinctions, you can set your business up for success while minimizing tax burdens.