An investment pass-through, also known as a flow-through entity, is a business structure that allows profits and losses to “pass through” directly to the owners’ individual income tax returns. Unlike traditional corporations, pass-through entities do not pay corporate income taxes. Instead, the owners report their share of the business’s income or losses on their personal tax returns, paying taxes at their individual income tax rates.
Several types of business structures qualify as pass-through entities. The most common include:
- Sole Proprietorships: These are the simplest form of business, owned and run by one person where there is no legal distinction between the owner and the business. All profits and losses are reported on Schedule C of the owner’s Form 1040.
 - Partnerships: A partnership involves two or more individuals who agree to share in the profits or losses of a business. Partnerships file an information return (Form 1065), but the partners themselves report their individual share of income or losses on their personal tax returns using Schedule K-1.
 - Limited Liability Companies (LLCs): LLCs offer the limited liability of a corporation with the tax benefits of a partnership. LLCs can elect to be taxed as a sole proprietorship (if single-member), partnership (if multi-member), or even as a corporation. The default tax treatment for multi-member LLCs is as a partnership.
 - S Corporations (S Corps): An S corporation is a corporation that has elected to pass its income, losses, deductions, and credits through to its shareholders. Like partnerships, S corporations file an information return (Form 1120-S), and shareholders report their share of income or losses on their personal tax returns using Schedule K-1. A key advantage of S corps is the potential to pay owners a reasonable salary and then treat the remaining profits as distributions, which are not subject to self-employment taxes.
 
The primary advantage of using a pass-through entity is the avoidance of double taxation. In a traditional C corporation, the corporation pays taxes on its profits, and then shareholders pay taxes again on dividends they receive. Pass-through entities avoid this double taxation, as profits are only taxed once at the individual level.
However, there are also potential drawbacks. Owners of pass-through entities are responsible for paying self-employment taxes (Social Security and Medicare) on their share of the business’s profits, which is not the case for traditional employees. While S corporations can mitigate this somewhat by allowing for salary versus distribution structures, this requires careful planning and adherence to IRS guidelines regarding reasonable compensation.
The choice of entity structure depends on various factors, including the number of owners, the complexity of the business, the level of desired liability protection, and the potential tax implications. Consulting with a tax professional is essential to determine the most appropriate structure for a specific business situation. They can analyze the specific circumstances and provide tailored advice to optimize tax efficiency and minimize potential risks.
In summary, investment pass-throughs offer a valuable mechanism for avoiding double taxation and simplifying the tax filing process for business owners. However, it’s crucial to understand the nuances of each structure and to seek professional guidance to ensure the best possible outcome for your specific business needs.