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Mackenzie Pennycook
SEO and Content Specialist
Mackenzie Pennycook is an SEO and content specialist with 5 years of experience specialising in content creation for businesses within the UK. Working alongside the PayFit team she creates articles around UK employment law, updating our readers on any government changes that directly impact employers.
Tax codes explained UK: meanings, letters & how they work
Tax codes explained UK 2026: learn what tax codes mean, how they’re calculated, common letters and how to check if your tax code is correct.
Employment payroll tax UK (2026): rates, PAYE & how it works
Employment payroll tax UK 2026: learn how PAYE works, current tax rates, employer obligations and how to stay compliant with HMRC.
HRIS payroll software UK: benefits, features & how it works
HRIS payroll software UK 2026: learn how it works, key benefits, features and how it saves time by automating payroll and HR processes.
Difference between gross and net pay in the UK: how to calculate it
Difference between gross and net pay in the UK (2026): learn how to calculate take-home pay, understand deductions and run accurate payroll.
Payment after leaving: final pay rules for UK employers
Payment after leaving HMRC guidance for 2026/27, covering final pay when leaving a job UK, tax code 0T, P45 and NIC rules for employers.
Reasons for refusing flexible working in the UK
Reasons for refusing flexible working explained (2026). Learn valid employer grounds, UK law, and best practices for handling requests compliantly.
Right to work check in the UK: steps and documents
Right to work check UK 2026: learn documents, share code steps and how to check or prove your right to work in the UK.
Unlimited holiday policy: UK rules and risks
Unlimited holiday policy explained (2026/2027): UK legal rules, holiday pay, risks, and best practices for employers offering unlimited holiday leave.
Expenses management UK (2026): rules, tax treatment and best practices
Expenses management UK (2026): learn how to manage employee expenses, understand HMRC rules and ensure tax compliance with simple steps.
Pre-tax deductions UK 2026/27 employer payroll guide
Pre-tax deductions UK explained for 2026/27: salary sacrifice, PAYE, statutory deductions and payslip rules to manage compliant payroll deductions
What is time and expense tracking? Employer guide
Time and expense tracking explained: learn how to track employee hours, manage business expenses, and improve payroll accuracy in 2026.
Unpaid leave UK: employer rights, rules and payroll 2026/27
Unpaid leave in the UK carries real compliance risk. Learn which types are statutory, how they affect holiday, pension and payroll, and what employers must do in 2026/27
Bereavement leave UK 2026/27 employer rights and pay rules
Practical guide to bereavement leave UK 2026/27: statutory rights, bereavement pay, compassionate leave, and how to build a compliant bereavement policy for your team.
Emergency tax UK: codes, rates and how overpayments are corrected
Emergency tax UK explained for 2026. Learn emergency tax codes, typical deduction rates, and how to claim back overpayments through PAYE payroll.
Payroll journal UK 2026/27 guide for employers
A complete guide to UK payroll journal entries for 2026/27: standard, accrued, pension, and PAYE-only entries, with reconciliation and HMRC compliance.
National Living Wage UK 2026: Rates, Age Bands and Rules
National Living Wage UK 2026 explained. Learn the latest minimum wage rates, age bands, yearly salary examples, and key employer rules.
What is a P45 form UK? Complete guide for employers 2026
P45 form UK explained: learn what it contains, when employers must issue it, and how it prevents emergency tax codes for new hires in the 2026/27 tax year.
What is pension re-enrolment in the UK and how does it work?
Understand pension re-enrolment for 2026/27. Learn deadlines, eligibility rules, and employer duties to stay compliant and avoid penalties in the UK.