
How to File Your Business Taxes: A Practical Guide for Sole Props, LLCs, S-Corps, and C-Corps
A step-by-step walkthrough of business tax filing by entity type — Schedule C for sole props, Form 1065 for partnerships, 1120-S for S-corps, and 1120 for C-corps — with 2026 deadlines, document checklists, audit triggers, and when DIY software stops being enough.










