📐 Mathematical Formula & Derivation
\Delta_{\text{TaxSaved}} = (\text{Profit}_{net} - S_{salary}) \times r_{SE} - C_{accounting} 🔬 Engineering Methodology & Benchmark Analysis
For high-earning independent contractors and consultants, operating as an unincorporated sole proprietorship exposes 100% of net business profit to self-employment / payroll taxes (15.3% FICA in the US, or equivalent social security levies).
Electing an S-Corporation or corporate pass-through structure allows business owners to split net profit into a "Reasonable W-2 Salary" (subject to payroll tax) and shareholder distributions (exempt from self-employment tax), minus ~$1,800 in annual payroll/CPA compliance overhead.
This simulator models both baseline unincorporated taxation and split-distribution optimization so you can identify the exact revenue threshold where incorporation pays off.
🛠️ Step-by-Step Engineering Calculation Guide
- Annual Gross Business Revenue: Configure "Annual Gross Business Revenue" (default benchmark: 165000) or select an industry preset.
- Deductible Annual Business Expenses: Configure "Deductible Annual Business Expenses" (default benchmark: 25000) or select an industry preset.
- Officer Salary Allocation (% of Net Profit): Configure "Officer Salary Allocation (% of Net Profit)" (default benchmark: 45) or select an industry preset.
- Effective Income + Local Tax Bracket (%): Configure "Effective Income + Local Tax Bracket (%)" (default benchmark: 24) or select an industry preset.