1120S vs 1065: Which One Is Right for Your Small Business?
06/15/2025
Choosing between Form 1065 (Partnership) and Form 1120-S (S Corporation) is still one of the most important tax-structure decisions a small business can make. For calendar-year 2025 returns, both forms were due March 16, 2026, and a timely Form 7004 extension pushed the filing deadline to September 15, 2026. (irs.gov) At a high level, both