Payroll knowledge hub for UK payroll guides, compliance and employee insights
The Payroll knowledge hub brings together PayCaptain’s payroll guides, compliance explainers and educational resources in one place. It covers the core parts of UK payroll. That includes calculating pay, applying tax and deductions, and reporting to HMRC through PAYE and RTI. Each section links to deeper guides when you need more detail.

Payroll basics
Payroll basics explains what payroll means in practice and how a typical pay run works. It also covers which dates UK employers need to track and key terms such as PAYE, income tax, deductions and payslips. You’ll understand the fundamentals of how to run UK payroll before moving on to more detailed topics.
Payroll compliance and legislation
Payroll compliance and legislation explains the rules employers must follow when running payroll under PAYE. It covers HMRC reporting duties and RTI submissions, as well as the payroll records businesses need to keep. It also looks at the checks that support compliance and the issues that can lead to payroll errors or breaches.
RTI and HMRC submissions
RTI and HMRC submissions explains how employers send payroll information to HMRC during each pay run under RTI. It covers what FPS and EPS submissions are used for and when each one is needed. It also explains how to correct mistakes if information is submitted incorrectly.
Auto-enrolment and pensions
Auto-enrolment and pensions explains which employees must be enrolled into a workplace pension and when employers need to act. It also explains workplace scheme duties and contribution responsibilities. You’ll find guidance on what happens when employees opt out and the checks employers need to keep up over time.
Employee financial wellbeing
Employee financial wellbeing looks at how payroll can reduce money stress between paydays. It covers the support employers can offer to help staff build savings and reduce financial pressure. It also looks at the effect money worries can have on mental health at work.
Payroll software and technology
Payroll software and technology explains how payroll systems reduce manual work and improve accuracy. It covers automation and AI support. It also looks at how payroll data is kept secure and managed in practice.
Payroll by size and industry
Payroll by size and industry looks at how payroll needs change across sectors and business sizes. It covers common workforce patterns and the payroll pressures that come with them. This helps you find payroll guidance that fits your sector and business structure.
Integrations and connected systems
Integrations and connected systems explains how payroll software connects with HRIS and finance systems. It also looks at time and attendance tools and tronc, along with the APIs that help payroll data move between systems.
Latest insights

How payroll data should flow between HR, payroll and finance systems
How payroll data should move between HR, finance and payroll systems

The hidden compliance risks of manual payroll processes at scale
Why manual payroll increases compliance risk as organisations grow

What large employers need to know about Statutory Neonatal Pay and Leave
A practical guide to Statutory Neonatal Pay and Leave for large employers

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