William Rogers, Tax Advisor, Choosing Best Business Entity Structure

For tax years beginning in 2018 and beyond, the Tax Cuts and Jobs Act (TCJA) created a flat 21% federal income tax rate for C corporations. Under prior law, C corporations were taxed at rates as high as 35%. The TCJA also reduced individual income tax rates, which apply to sole proprietorships and pass-through entities, including partnerships, S corporations, and, typically, limited liability companies (LLCs). The top rate, however, dropped only slightly, from 39.6% to 37%.

On the surface, that may make choosing C corporation structure seem like a no-brainer. But there are many other considerations involved.

Conventional Wisdom

Under prior tax law, conventional wisdom was that most small businesses should be set up as sole proprietorships or pass-through entities to avoid the double taxation of C corporations: A C corporation pays entity-level income tax and then shareholders pay tax on dividends — and on capital gains when they sell the stock. For pass-through entities, there’s no federal income tax at the entity level.

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