Form 1120: U.S. Corporation Income Tax Return
Definition: Form 1120 is the annual IRS tax return filed by domestic C corporations to report income, deductions, credits, and tax liability. Unlike pass-through entities, C corps pay corporate-level tax (21% flat rate for 2025) on taxable income; dividends to shareholders may face additional tax.
Why It Matters: Accurate 1120 filings prevent underpayment penalties (up to 20%), IRS audits, or mismatched shareholder reports. Complex deductions (depreciation, R&D credits) and elections (Section 179) can minimize liability. If corporate debts have triggered personal guarantees, collection notices, or audit adjustments, Omni Tax Help reviews your 1120, prepares/amends with supporting schedules, and negotiates IRS resolutions—reducing corporate tax burdens and shielding owners from spillover issues.
Key Schedules:
- Schedule C: Dividends and special deductions.
- Schedule J: Tax computation and payments.
- Schedule M-1/M-2: Book-to-tax reconciliation.
What to Do Next:
- File by April 15 (or extend to Oct 15 with Form 7004).
- Pay estimated taxes quarterly via EFTPS.
- E-file for accuracy