Choice of Entity in the New Tax Environment

Choosing the right business entity is one of the most consequential tax and legal decisions a business owner or tax advisor can make. Key factors include the desired level of personal liability protection, the tax treatment of business income, the number and type of owners, plans for raising capital, and exit strategy considerations. From a tax perspective, the choice between a C corporation, S corporation, LLC, partnership, or sole proprietorship determines how income is taxed—at the entity level, the individual level, or both. The Tax Cuts and Jobs Act significantly altered the landscape by introducing a flat 21% corporate tax rate and the 20% pass-through deduction under Section 199A, making C corporations more competitive while changing the math for pass-through entities. For business owners and their advisors, regularly reassessing entity choice in light of current tax law is essential. Aurora Training Advantage's Choice of Entity in the New Tax Environment webinar provides an in-depth exploration of these factors for accounting professionals advising clients on optimal structure selection.

The Tax Cuts and Jobs Act of 2017 (TCJA) fundamentally changed the choice of entity calculus for small businesses in several important ways. The most significant change was reducing the C corporation tax rate from a graduated rate topping at 35% to a flat 21%, making C corporations considerably more attractive for businesses that retain and reinvest earnings. Simultaneously, the TCJA introduced the Section 199A qualified business income (QBI) deduction, allowing eligible pass-through entity owners—including S corporations, partnerships, and sole proprietors—to deduct up to 20% of their qualified business income on individual returns. However, the QBI deduction is subject to income thresholds, W-2 wage limitations, and specified service trade limitations that may eliminate the benefit for high-earning professionals. The interplay between the 21% corporate rate, double taxation on dividends, and the Section 199A deduction requires careful modeling for each client's specific situation. Aurora Training Advantage offers webinar training on choice of entity analysis for accounting professionals navigating these ongoing considerations.

The Section 199A deduction, introduced by the Tax Cuts and Jobs Act, allows owners of pass-through businesses—sole proprietors, partnerships, S corporations, and certain trusts—to deduct up to 20% of their qualified business income (QBI) from taxable income. The deduction begins to phase in limitations when taxable income exceeds applicable thresholds (adjusted annually for inflation), after which it may be limited for specified service trades or businesses (SSTBs) such as law, accounting, consulting, health, and financial services. Non-SSTB pass-through owners above the threshold face W-2 wage and qualified property limitations. The deduction reduces income tax only—not self-employment tax. Proper planning, including strategic use of S corporation elections, W-2 salary optimization, and income shifting, can help maximize the benefit. Tax professionals advising pass-through entity owners must thoroughly understand the QBI rules and regularly model scenarios. Aurora Training Advantage's entity choice webinars for accounting professionals provide practical guidance on Section 199A planning strategies.

The S corporation vs. LLC decision depends on multiple tax and operational factors. Both structures offer pass-through taxation, avoiding entity-level federal income tax. However, an S corporation provides a potential self-employment tax savings strategy: owner-employees receive a reasonable salary, and remaining profits distributed as dividends avoid payroll taxes. An LLC treated as a partnership or disregarded entity generally subjects all net income to self-employment tax. For profitable businesses, this difference can mean thousands of dollars in annual tax savings under an S corporation structure. S corporations do carry restrictions—only one class of stock, maximum 100 shareholders, and all shareholders must be U.S. citizens or residents. LLCs offer more flexibility in ownership structure, profit allocation, and operating rules. The right choice depends on the business's specific facts, income level, and long-term goals. Aurora Training Advantage's choice of entity webinar training helps accounting professionals guide clients through this decision with the analytical frameworks needed for current tax law.

Business owners should revisit their entity structure whenever there is a significant change in tax law, a major shift in the business's financial situation, or a change in ownership or business goals. Tax law changes such as the TCJA's introduction of the 21% corporate rate and the Section 199A pass-through deduction can dramatically alter the optimal structure even for businesses that have operated successfully under one form for years. Other triggers for re-evaluation include crossing income thresholds affecting the QBI deduction, adding new partners or investors, planning for a business sale or succession, or when the business begins retaining significant earnings. As a best practice, tax and accounting professionals should model entity comparison scenarios for clients annually or whenever a material change occurs. At minimum, a comprehensive entity analysis should be performed every three to five years. Aurora Training Advantage's webinars on choice of entity provide accounting professionals with the analytical frameworks needed to perform these assessments effectively in the current and evolving tax environment.