What Are The Steps Involved in Processing The Payroll?

The UK went through many changes after Brexit, but it remains one of the world’s leading business destinations. With a population of over 65 million and a strong business environment, the UK continues to attract startups, SMEs, and international companies.

However, before running a business in the UK, employers must understand payroll obligations, employment laws, PAYE regulations, and HMRC compliance requirements.

Payroll processing in the UK involves collecting employee information, calculating wages and deductions, submitting payroll data to HMRC, and ensuring employees are paid accurately and on time.

In this blog, we explain the key steps involved in payroll processing and what UK businesses need to know to remain compliant.

Key Takeaways

• Payroll processing involves employee data collection, payroll calculations, HMRC reporting, and tax payments.
• Employers must submit Real Time Information (RTI) to HMRC on or before payday.
• Payroll includes Income Tax, National Insurance, pension contributions, and statutory payments.
• Businesses must maintain payroll records for at least 3 years to comply with HMRC regulations.
• Incorrect payroll submissions or missed deadlines can result in penalties and interest charges.
• Using payroll software or outsourcing payroll can improve accuracy and reduce compliance risks.

An Insight Into Payroll in The UK

The UK payroll system is governed by HMRC and requires employers to calculate and report employee earnings, deductions, and taxes accurately.

All employers must operate PAYE and submit payroll data using Real Time Information (RTI) on or before each payday.

Employers are responsible for:

• Calculating Income Tax and National Insurance
• Managing workplace pension contributions
• Submitting payroll reports to HMRC
• Maintaining accurate payroll records
• Issuing payslips to employees

Failure to comply with payroll regulations may lead to penalties, interest charges, and compliance investigations from HMRC.

Understanding PAYE in the UK

PAYE (Pay As You Earn) is the system used to deduct Income Tax and National Insurance directly from employee wages.

Employers must:

• Register with HMRC
• Assign correct tax codes
• Submit Full Payment Submissions (FPS)
• Pay HMRC liabilities

Key 2026 PAYE Deadlines:

• RTI submission: On or before payday
• PAYE payment: 22nd of next month (electronic)
• 19th if paying by post

Missing deadlines leads to automatic penalties and interest charges.

PAYE also covers:

• Statutory Sick Pay (SSP)
• Statutory Maternity Pay (SMP)
• Statutory Paternity Pay (SPP)
• Statutory Adoption Pay (SAP)
• Student loan and postgraduate loan deductions

A 6-Step Payroll Processing Guide

1. Collect Employee Tax Information

Employers must collect employee details before payroll begins.

This includes:

• P45 or starter checklist
• National Insurance number
• Tax code

Employers must also complete right-to-work checks, which are a legal requirement in the UK

Employers must also complete right-to-work checks (legal requirement in the UK).

2. Create a Record Management Process

Accurate records are essential for compliance.

Employers must maintain:

• Employee details
• Payroll reports
• Pension records

HMRC Requirement: Records must be kept for at least 3 years.

Poor record-keeping is one of the most common causes of HMRC penalties.

3. Set a Pay Schedule

Employers must define how often employees are paid:

• Weekly
• Fortnightly
• Monthly

The pay schedule must align with RTI submissions to avoid late reporting penalties.

4. Start Tracking Time And Attendance

Tracking employee working hours ensures accurate payroll calculations.

Employers should monitor:

• Hours worked
• Overtime
• Absences

This is critical for National Minimum Wage compliance and HMRC audits.

5. Calculate Deductions And Pay The Employees

Payroll calculations must include:

• Income Tax
• National Insurance
• Pension contributions

Employers must also apply auto-enrolment pension rules where employees meet eligibility criteria.

Employees must receive itemised payslips on or before payday (legal requirement).

6. Pay Payroll Taxes

After payroll is processed, employers must pay HMRC.

This includes:

• PAYE
• National Insurance
• Student loans
• Apprenticeship Levy (if applicable)

Late payments result in penalties and daily interest charges.

Common Payroll Mistakes

Businesses often make payroll errors such as:

• Submitting RTI late
• Using incorrect tax codes
• Failing to enrol eligible employees in pensions
• Incorrect National Insurance calculations
• Missing HMRC payment deadlines

Avoiding these mistakes significantly reduces compliance risk.

Common Payroll Mistakes Businesses Make

Many businesses experience payroll issues because of avoidable errors.

Common payroll mistakes include:

• Submitting RTI late
• Using incorrect tax codes
• Incorrect National Insurance calculations
• Missing PAYE deadlines
• Failing to enrol eligible employees into workplace pensions

Avoiding these mistakes can significantly reduce compliance risks and improve payroll accuracy.

Payroll Processing Checklist

Quick checklist to process payroll correctly:

1. Collect employee details (P45 / starter checklist)
2. Verify tax codes and NI numbers
3. Track working hours and attendance
4. Calculate gross pay and deductions
5. Submit RTI (FPS) to HMRC
6. Pay employees
7. Pay HMRC liabilities by deadline

Benefits of Using Payroll Software

Modern payroll software can help businesses:

• Reduce manual payroll errors
• Automate tax calculations
• Improve compliance with HMRC regulations
• Generate payslips automatically
• Submit RTI directly to HMRC
• Save time on payroll administration

Cloud payroll software is becoming increasingly popular among UK businesses because it improves efficiency and supports remote access.

Final Thoughts

Payroll processing in the UK involves multiple compliance and administrative steps, from collecting employee information to reporting payroll data and paying HMRC liabilities.

Businesses must ensure payroll is processed accurately, employees are paid on time, and HMRC submissions are completed correctly to avoid penalties and compliance risks.

For many organisations, using payroll software or outsourcing payroll services can help improve efficiency, reduce errors, and simplify compliance with evolving UK payroll regulations.

Frequently Asked Questions

What are the steps in payroll processing in the UK?

Payroll processing includes collecting employee data, calculating pay, submitting RTI to HMRC, paying employees, and paying taxes.

What is RTI in payroll?

RTI (Real Time Information) is the system used to report payroll data to HMRC every time employees are paid.

What is the deadline for PAYE payments?

PAYE must be paid by the 22nd of the following month if paying electronically.

What happens if payroll is incorrect?

Incorrect payroll can lead to penalties, employee disputes, and HMRC investigations.

Is payroll outsourcing worth it in the UK?

Yes, many UK businesses outsource payroll to ensure compliance and reduce administrative burden.