How to Run Payroll for Small Businesses in Nigeria: A Complete 2025 Guide
Running payroll in Nigeria isn't just about transferring salaries. It involves calculating taxes, making statutory deductions, filing with the right agencies, and ensuring compliance with the Personal Income Tax Act (PITA) and other regulations. For small businesses doing this manually or with spreadsheets, it's a monthly nightmare.
This guide breaks down everything you need to know about running payroll in Nigeria in 2025 — from the statutory obligations to the tools that make it manageable.
Why Payroll Compliance Matters in Nigeria
Payroll in Nigeria is regulated by several laws and agencies:
- PITA (Personal Income Tax Act) — governs the calculation and remittance of PAYE (Pay As You Earn) tax
- PENCOM Regulations — governs pension contributions under the Contributory Pension Scheme
- NHF (National Housing Fund) — requires monthly contributions for most employees
- NSITF (Nigeria Social Insurance Trust Fund) — employer contributions for employee protection
Failure to comply can result in penalties, back taxes, and legal liability. More importantly, employees deserve to be paid correctly and on time — it's fundamental to trust and retention.
Step 1: Classify Your Employees Correctly
Before calculating payroll, you need to correctly classify everyone on your books. In Nigeria, the main classifications are:
- Full-time employees — permanent staff on a monthly salary, subject to all statutory deductions
- Part-time employees — may have different deduction requirements depending on contract structure
- Contract/Freelance workers — typically not subject to PAYE, but may be subject to withholding tax (WHT) at 5–10%
Getting this wrong can lead to underpayment of taxes — which creates liability even if it was unintentional.
Step 2: Define the Pay Structure
Every employee's compensation package needs to be structured properly. A typical Nigerian payroll includes:
Gross Salary Components
- Basic Salary — typically 40–60% of total package
- Housing Allowance — typically 20% of basic salary
- Transport Allowance — a fixed monthly amount
- Meal/Utilities Allowance — varies by company policy
- Other Allowances — medical, communication, etc.
How you structure the salary package affects the PAYE tax calculation, because some allowances have specific tax treatment under PITA.
Step 3: Calculate PAYE Tax
PAYE (Pay As You Earn) is the income tax deducted from employees' salaries and remitted to the relevant State Internal Revenue Service (SIRS). Here's how it's calculated:
The PAYE Calculation Process
- Compute Annual Gross Income — multiply monthly gross by 12
- Apply Allowable Deductions:
- Minimum relief: ₦200,000 or 1% of gross income (whichever is higher)
- 20% of gross income as consolidated relief allowance (CRA)
- Pension contributions (employee's share)
- NHF contributions
- Life insurance premiums (where applicable)
- Arrive at Taxable Income = Gross Income − Allowable Deductions
- Apply Tax Bands:
- First ₦300,000 — 7%
- Next ₦300,000 — 11%
- Next ₦500,000 — 15%
- Next ₦500,000 — 19%
- Next ₦1,600,000 — 21%
- Above ₦3,200,000 — 24%
- Monthly Tax = Annual Tax ÷ 12
If an employee's taxable income falls below ₦800,000 per year (approximately ₦66,667/month), the minimum tax rule applies — they pay 1% of gross income as tax instead.
Step 4: Calculate Pension Contributions
Under the Contributory Pension Scheme, both employers and employees are required to contribute to a Retirement Savings Account (RSA):
- Employee contribution: minimum 8% of monthly emolument (basic salary + housing + transport)
- Employer contribution: minimum 10% of monthly emolument
These contributions are made to a Pension Fund Administrator (PFA) chosen by the employee. This is mandatory for organizations with 15 or more employees.
Step 5: Calculate NHF Contributions
The National Housing Fund (NHF) requires employees earning ₦3,000 or more per month to contribute 2.5% of their basic monthly salary to the Federal Mortgage Bank of Nigeria (FMBN).
NHF contributions are made on behalf of the employee by the employer through a deduction from salary.
Step 6: Compute Net Salary
Once all deductions are calculated, the net salary is straightforward:
Net Salary = Gross Salary − PAYE Tax − Pension (Employee) − NHF − Other Deductions
This is the amount transferred to the employee's bank account each month.
Step 7: Remit All Deductions on Time
Collecting deductions is only half the job. You must also remit them to the appropriate agencies by the deadlines:
- PAYE: Remit to the relevant SIRS by the 10th of the following month
- Pension: Remit to the PFA within 7 working days of salary payment
- NHF: Remit to FMBN monthly
- NSITF: Remit 1% of gross monthly payroll to NSITF
Late remittances attract penalties and interest. Keep a strict remittance schedule.
Step 8: Maintain Payroll Records
Nigerian tax law requires employers to maintain accurate payroll records for a minimum of 6 years. Your records should include:
- Monthly payslips for every employee
- Annual income tax returns (Form H1) submitted to SIRS
- Pension remittance receipts
- NHF contribution records
Why Manual Payroll Is Risky for Small Businesses
Many small businesses still run payroll on spreadsheets. The risks are significant:
- Calculation errors that result in underpayment or overpayment
- Wrong tax band application leading to compliance exposure
- Missed remittance deadlines due to no automated reminders
- Data loss if the spreadsheet is accidentally deleted or corrupted
Automate Your Payroll With the Right Software
Payroll software eliminates the manual calculation burden and dramatically reduces compliance risk. Easeinbiz's payroll module is built for Nigerian businesses and handles:
- Employee profile management with salary structure
- Automatic PAYE calculation using current NTA tax bands
- Pension, NHF, and NSITF deduction computation
- Payroll run reports with per-employee breakdowns
- Net salary computation ready for bank transfer
Stop doing payroll on spreadsheets. Run compliant, accurate payroll in minutes with Easeinbiz — built for Nigerian businesses from the ground up.