Federal Inland Revenue Service (FIRS)
Form CIT 001 — Companies Income Tax Return
Report your corporate income, deductions, and tax computations to FIRS
- Form ID
- CIT 001
- Who must file
- All companies with a taxable presence in Nigeria, including foreign companies
- Filing frequency
- Annual
- Filing deadline
- Within 6 months after the accounting year-end
Form CIT 001 is the Companies Income Tax Return filed with the Federal Inland Revenue Service. All companies with a taxable presence in Nigeria must file this return annually to report corporate income, deductions, tax computations, capital allowances, and withholding tax credits.
The corporate tax rate ranges from 0% to 30%, tiered by turnover. New companies must file within 18 months from incorporation or 6 months after the accounting year-end, whichever is earlier. Returns are filed via the TaxPro Max portal at taxpromax.firs.gov.ng.
Learn more about how HeadOffice can help you manage your Nigerian business finances and stay on top of your tax obligations.