UK

UK PAYE for Small Business Employers

When you hire employees in the UK, register as an employer with HMRC, run PAYE payroll, deduct income tax and National Insurance, and submit Real Time Information (RTI) reports each pay period.

3 min read·Updated July 6, 2026

TL;DR

When you hire employees in the UK, register as an employer with HMRC, run PAYE payroll, deduct income tax and National Insurance, and submit Real Time Information (RTI) reports each pay period.

Introduction

When you hire employees in the UK, register as an employer with HMRC, run PAYE payroll, deduct income tax and National Insurance, and submit Real Time Information (RTI) reports each pay period.

This guide is written for first-time founders and solo entrepreneurs who need practical, actionable advice — not theory. Whether you're just getting started or hitting a specific roadblock, the steps below will help you move forward with confidence.

What You Need to Know

Employer registration is a critical part of getting this right. Start by researching your specific requirements — they vary by business type, revenue, and location. Document your current situation before making changes.

For most founders, the practical approach is to start simple and add complexity only when your business demands it. Don't over-engineer early decisions, but don't ignore them either. Many founders regret waiting too long to address employer registration.

If you're operating across multiple regions (US, UK, EU), note that rules differ significantly. Always verify current regulations with official government sources or a qualified advisor.

Step-by-Step Process

RTI submissions is a critical part of getting this right. Start by researching your specific requirements — they vary by business type, revenue, and location. Document your current situation before making changes.

For most founders, the practical approach is to start simple and add complexity only when your business demands it. Don't over-engineer early decisions, but don't ignore them either. Many founders regret waiting too long to address rti submissions.

If you're operating across multiple regions (US, UK, EU), note that rules differ significantly. Always verify current regulations with official government sources or a qualified advisor.

Common Mistakes to Avoid

Pension auto-enrolment is a critical part of getting this right. Start by researching your specific requirements — they vary by business type, revenue, and location. Document your current situation before making changes.

For most founders, the practical approach is to start simple and add complexity only when your business demands it. Don't over-engineer early decisions, but don't ignore them either. Many founders regret waiting too long to address pension auto-enrolment.

If you're operating across multiple regions (US, UK, EU), note that rules differ significantly. Always verify current regulations with official government sources or a qualified advisor.

When to Get Professional Help

Payroll software is a critical part of getting this right. Start by researching your specific requirements — they vary by business type, revenue, and location. Document your current situation before making changes.

For most founders, the practical approach is to start simple and add complexity only when your business demands it. Don't over-engineer early decisions, but don't ignore them either. Many founders regret waiting too long to address payroll software.

If you're operating across multiple regions (US, UK, EU), note that rules differ significantly. Always verify current regulations with official government sources or a qualified advisor.

Key Takeaways

  • UK PAYE for Small Business Employers starts with understanding your specific situation and region.
  • Take action on one step today rather than trying to do everything at once.
  • When in doubt, consult a qualified professional for your jurisdiction.
  • Bookmark related guides below to build a complete picture.

Frequently Asked Questions

When must I register as an employer?+
Before your first payday. Allow up to 5 working days for HMRC registration.
Do I need pension auto-enrolment?+
Yes — if you have eligible employees earning over £10,000/year.