Free Tax Calculator

Estimate your company income tax.

Plan annual Companies Income Tax from turnover and expenses, with a suggested monthly reserve.

Calculator mode

Companies Income Tax (CIT) from turnover, profit, and reliefs.

Estimates only. Based on the information you enter.

Annual turnover

Total company revenue before expenses.

Annual allowable expenses

Operating costs you treat as allowable for this estimate.

Total fixed assets

Secondary NIPC incentive check (≤ ₦250,000,000).

Part of a tax groupSmall company relief is not applied when this box is checked.Include minimum tax floorApplies 0.5% of turnover when profit-based CIT is lower.Include development levySeparate levy estimated at 4% of assessable profit.Show WHT and VAT planning amountsIllustrative only. You may also owe withholding tax and VAT.

Advanced adjustments

Annual capital allowance

Losses brought forward

Company size bands: turnover below ₦25m may qualify for 0% CIT (subject to fixed-asset test); ₦25m–₦100m uses 20% CIT; above ₦100m uses 30% CIT. Fixed assets ≤ ₦250,000,000 required for 0% relief when turnover is below ₦25,000,000.

Export / pioneer relief

CIT relief profile

Export zone and pioneer reliefs depend on approvals, activity, and filing position. This estimate uses simplified planning rules only.

State of registration

Select the state relevant to this estimate. This calculator uses the same federal tax bands across states. State selection is retained for PAYE jurisdiction context.

Planning to remit? Lagos requires an L-Number (State Payer ID) for official filings.

Lagos may apply a development levy (about ₦100 per employee per year) separately from monthly PAYE. Enable the development levy estimate in employer mode for planning.

Not included in this estimate

Foreign income and treaty positions
Detailed VAT input/output reconciliation
Group relief and consolidated returns

Company tax estimate

Example

Suggested monthly CIT reserve

—

FAQ

Do I need an account?: No. Calculate and review your estimate for free. Enter your email to download your PDF, or optionally email a copy.
How does state selection work?: Select the state relevant to this estimate. Federal PAYE bands are the same across states in this calculator. State selection is retained for PAYE jurisdiction context.
Living in Lagos?: Have your L-Number (State Payer ID) ready when you prepare an official payslip. You can review amounts in the free payslip generator after calculating here.
Is this my exact payslip?: No. It is a representative estimate based on the assumptions you enter.

Disclaimer

Estimate only. Company size, exemptions, capital allowances, minimum tax, and development levies can change actual company income tax. This is not a CIT return or remittance confirmation. Disclaimer: This calculator provides an estimate based on the Nigerian tax rules and Staff Pay calculation assumptions applicable to the selected inputs and calculation year. Actual tax obligations and take-home pay may differ because of individual circumstances, employer records, applicable regulations, year-to-date income, previous employment, relief evidence, and information not provided to this calculator. This tool is for informational purposes only and does not constitute tax, legal, or financial advice. It does not file a return, remit tax, or confirm that any deduction has been paid. Review important decisions with a qualified tax adviser or the relevant tax authority. For payroll management, payslips and compliance tracking, use Staff Pay.

Need a printable payslip layout? Try the free payslip generator.

Tax guides

One guide per calculator mode: PAYE, employer cost, VAT, WHT, CIT, CGT, stamp duty, and more.

View all guides