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National Payroll Week 2025 | Top tips to stay compliant with your Payroll 

2 September 2025

At Affinia we understand payroll isn’t just about the numbers – it’s about people. 

Payroll is often the single largest expense for a business, and when managed well, it keeps employees motivated and ensures compliance with ever-changing legislation. When managed poorly, it can result in costly penalties, employee dissatisfaction, and reputational damage. 

With National Payroll Week 2025 running from 1st to 5th September, we’re shining a light on the vital role payroll plays in business success. It’s also the perfect opportunity to share practical tips to help your business stay compliant and confident. 

Top tips to stay compliant 

Understanding relevant laws and regulations 

Payroll legislation is constantly evolving – from changes in National Insurance rates to new entitlements such as Neonatal Care Leave and Pay (introduced in April 2025). Staying ahead means regularly checking HMRC updates and ensuring your systems and processes reflect the latest requirements. 

Maintain accurate records

Detailed payroll records – including wages, tax payments, deductions, and supporting documentation – are your best defence in the event of an audit. These should be kept for at least three years and updated promptly to reflect any changes. 

Conduct regular audits

Carrying out payroll audits helps identify errors, gaps, or compliance risks before they become costly problems. A regular review of data, processes, and system controls can safeguard both your employees and your business. 

Educate your team

Payroll isn’t just a back-office task – it’s a discipline that requires ongoing training. Keeping your team up to date on compliance requirements and best practices ensures accuracy, efficiency, and employee trust. 

Don’t overlook data security 

Payroll data contains highly sensitive employee information. Ensuring compliance with GDPR and data security standards is just as important as financial compliance. Protecting employee data builds confidence and avoids regulatory breaches. 

Embrace technology

Payroll automation and digital tools can reduce manual errors, improve efficiency, and make compliance easier. Investing in the right systems ensures you can adapt quickly to legislative changes and scale with confidence. 

How can Affinia support you with payroll compliance?

Managing payroll in-house can be complex, time-consuming, and stressful. Outsourcing your payroll to Affinia allows you to focus on what you do best, while our experts take care of compliance, accuracy, and employee satisfaction. 

We don’t just process payroll – we act as a trusted compliance partner. For example, we recently supported a client through the introduction of Neonatal Care Leave and Pay, ensuring their policies, systems, and communications were ready ahead of time. 

Tax and Planning. Client testimonial review. Affinia

Celebrating Affinia’s Payroll professionals 

This National Payroll Week, we are shining a light on our very own expert team. We truly believe payroll isn’t just a back-office function, it’s a strategic part of your business and our team brings expertise, clarity and confidence to every client interaction.