Payroll Numbers Guide: UK Requirements & Best Practices 2025
Master payroll number requirements for 2025 with our guide. Learn about RTI updates, HMRC compliance, and best practices for UK employers.
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PAYE and Tax
We break down and simplify complex issues surrounding PAYE and tax, with useful articles on topics including P11Ds, PAYE settlement agreements, income tax and more. Learn what you need to manage them effectively and stay compliant in the process.
P11D Forms Explained: A Guide For UK Employers In 2025
Learn everything about P11D forms, including deadlines, penalties, and upcoming changes to benefit reporting. Essential guide for UK employers.
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The HMRC Starter Checklist (P46 Form) Explained
The HMRC new starter form (checklist) is a form new employees without a P45 need to fill out. Here’s an overview for small businesses.
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PayFit & the End of the Tax Year
Looking for a better way to manage all those year-end payroll tasks? Find out exactly how PayFit helps with end-of-tax-year submissions.
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How To Calculate National Insurance - A Guide For Businesses
Employers are obligated to pay National Insurance, a source of funding for public services, on behalf of employees. Find out how NI is calculated.
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Payroll Deadlines - Monthly Payroll Dates & 2025 Events
Here you’ll find a useful list of important payroll related deadlines to be aware of in 2025, and for each month in general.
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UK National Insurance Classes | Class 1 To 4 Explained
National Insurance varies based on a number of different factors. Learn about different UK National Insurance classes, from class 1 NIC to 4, here.
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Tax vs National Insurance: Differences for Employers
Tax and National Insurance; the differences, how to calculate these and how to pay these taxes through payroll.
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What is a P45 Explained for Employers
PayFit breaks down the P45 form for employers; why employees need one and when to give them out, and when an employee doesn't have one.
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What is a P60? PayFit Explains
The P60 is essential for employee record-keeping - a handy document that provides rock-solid proof of an employee's earnings.
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Understanding PAYE Forms for UK Payroll Management
Learn all about PAYE forms for UK payroll. Discover key deadlines and how to stay compliant, so you can ensure accurate tax calculations.
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2025/26 New Legislation Guide
The new tax year brings with it a variety of changes to legislation. Get your ducks in a row with these eight new changes to be aware of.
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New Tax Year: Be Prepared!
Before you know it, we’ll be knee-deep in P60s and P11Ds. With so much to do, it’s important to know the key dates for your year-end tasks.
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What is a Payroll Audit? Guide for UK Businesses
Conducting a payroll audit can be time-consuming, but it serves a crucial purpose in keeping your payroll compliant. We explain what’s involved.
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HMRC RTI Submissions Explained
Real Time Information (RTI) submissions are the way to transmit tax and other deduction information to HMRC. Here’s what employers need to know.
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The P32, or Employer Payment Record Report Explained
We explain what a P32 is and what kind of information it includes, and where to obtain one.
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How to Create an HMRC Account for Your Business
Our step-by-step guide on how to create an HMRC Account including setting up a Government Gateway User ID and adding in your taxes.
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The Difference Between Cumulative and Non-Cumulative Tax Codes
Cumulative and non-cumulative tax codes - just what is the difference? Learn what these both mean and how they impact payroll.
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Payment After Leaving Defined
A breakdown of what a payment after leaving is, including an example of what this looks like on a payslip.
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Christmas Payroll - A Guide To December Payday
Read our guide to Christmas payday, including typical pay dates and a useful checklist designed to help this busy time of year pass smoothly.
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Employment Tax UK - A Guide for Small Businesses
If you employ people, you’ll need to pay employment tax in the UK as well as make some deductions from employee earnings. Read all about it in our guide.
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What’s The Difference Between Gross VS Net Payroll?
You’ve seen the terms gross VS net payroll, but what do they both mean and how can you calculate them? This blog explores why it’s important to know.
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England Football Player Salaries & Taxes - Euro 2024 Special
With Euro 2024 in full swing, we thought we’d take a peek at what some of the England squad might be taking home after tax. Find out here.
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Benefits in Kind Tax & Obligations for UK Employers
Wondering what benefits in kind (BIK) are and how they work? We cover everything from why they’re important to benefit in kind tax.
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National Insurance For Company Directors - A Guide
In this post, we provide a breakdown of the different National Insurance contributions (NICs) for company directors, and how to calculate it.
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Statutory Deductions From Pay In The UK
Deductions from wages for items like student loans, pensions and child maintenance are common. Find out your responsibilities as a UK employer here.
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A Guide to PAYE For Employers In The UK
We break down what the UK PAYE system is and all of your obligations as an employer when it comes to reporting and paying your deductions.
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Payroll Power Hour Recap | PayFit
Our new payroll power hours are the perfect place to learn more about payroll. In this session, we talk about maternity leave, payroll IDs, and underpayments.
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VAT Registration | A Guide For Small Businesses | PayFit
In this guide we’ll answer common questions about VAT registration, including information on VAT thresholds, numbers, voluntary registration and more.
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Guide to ERN | PAYE Numbers
A guide to the ERN, also known as the employer PAYE reference number, which is the number given to your business when you register with HMRC.
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Income Tax Brackets | A Guide To UK Income Tax
Read PayFit's guide to tax codes, brackets, rates, and more, designed to help businesses and employees better understand income tax.
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Tax Year End | Is Your Payroll Function Fit For Purpose?
It’s essential to have a fighting fit payroll function in place ahead of tax year end. See how your business weighs up with our latest guide.
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Work-From-Home Tax Relief 2022/23 for Employers
Got employees who’ve yet to claim working-from-home expenses? They can still do so until 2025 and 2026. We cover all the latest on WFH tax relief.
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HMRC Fines | Penalties For Late Filing Of Accounts
Read our guide to common HMRC fines and how to prevent them from happening, including the late filing of accounts, VAT, PAYE and corporation tax.
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FPS And HMRC | Full Payment Submission
A Full Payment Submission (FPS) is one of the submissions to complete as part of RTI (real-time information). Read our handy guide to FPS here.
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Employer Payment Summary (EPS) - A Guide For Businesses
An Employer Payment Summary is one of the submissions to complete as part of RTI (real-time information). Read our handy guide to EPS here.
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A List Of UK Tax Codes And What They Mean
Find UK tax codes confusing and complicated? We break down everything employers need to know about UK tax codes right here.
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How Much Tax Would a Hollywood Star Pay (under PAYE)?
Ever wonder how much tax a Hollywood actor might pay? At PayFit, we’re always geeking out, so we thought we’d have a go at answering this question.
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Veteran NIC Relief in 2022: how to claim it?
Armed forces veterans make for great hires which is why the government introduced veteran NIC relief. PayFit takes you through what the NIC relief is for veterans and how to claim it in 2022.
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Health and Social Care Levy: what changes mean?
The government has announced a £12bn annual tax rise to fund England’s health and social care with a new tax: the Health and Social Care Levy. Here, we explain what these changes mean for employers and employees going forward.
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Global Mobility and tax implications
Remote working is the new normal in a post-pandemic world. Global mobility is a complex process, made more complicated when we talk about how it affects tax. In this article, we talk about how it affects tax and what the options are for employers and employees.
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PAYE forms: P45s, P60s & P11Ds
PAYE forms are as important to employers as they are to individual employees, yet very few understand what they are and, more importantly, what they are used for.
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How Much Tax Do Footballers Pay?
With the Euros on the horizon, we wanted to create a football-themed payroll article, answering the question 'how much do footballers get taxed'.
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The UK tax year — is it about to change?
The Office of Tax Simplification (OTS) will undertake a "high-level exploration and analysis" of the associated implications of moving the tax year for individuals this summer. But the could the tax year really move?
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Tax and NI relief on home-office expenses extension
The temporary exemption of Income Tax and National Insurance Contributions (NICs) for home-office expenses has been extended until the end of the 2021/22 tax year.
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Monthly payroll checklist