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Moonworkers Blog

Payroll insights & guides

Practical resources on UK payroll, HMRC compliance, employment law, and running a UK business.

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367 articles

UK payroll compliance: the complete employer guide

UK payroll compliance: the complete employer guide

A complete guide to UK payroll compliance: PAYE, RTI, National Insurance, auto-enrolment, statutory pay and the deadlines every employer must meet.

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How RTI submission software keeps UK payroll compliant

How RTI submission software keeps UK payroll compliant

RTI submission software files FPS and EPS reports to HMRC on every payrun. A guide to how it works, the deadlines that apply, and the penalties to avoid.

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Free Payroll Software UK: What It Really Covers

Free Payroll Software UK: What It Really Covers

Free payroll software in the UK explained: what the free HMRC tool and free HMRC-recognised options do, their limits, and when paid payroll makes sense.

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Basic Salary vs Gross Salary: The Difference

Basic Salary vs Gross Salary: The Difference

Basic salary vs gross salary explained for UK payroll: what each figure includes, how gross becomes net pay, and why the distinction matters on a payslip.

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Payroll and Xero: How the Integration Works

Payroll and Xero: How the Integration Works

How UK payroll connects to Xero accounting: what RTI requires, how the payroll journal posts to the ledger, and what a clean payroll-to-Xero integration looks l

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Workplace Pension: The UK Employer's Guide

Workplace Pension: The UK Employer's Guide

A complete guide to the UK workplace pension: auto-enrolment duties, worker categories, contribution rates, opt-outs, re-enrolment and the penalties for getting

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What Is Gross Pay? A UK Employer's Guide

What Is Gross Pay? A UK Employer's Guide

Gross pay is total earnings before any deductions. This guide explains what it includes, how it differs from net and taxable pay, and how UK payroll uses it.

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How to Pay PAYE to HMRC as an Employer

A practical guide to paying PAYE as an employer: what the bill includes, monthly and quarterly deadlines, how to pay, the Accounts Office reference, and late pe

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The Give As You Earn Scheme Explained

The Give As You Earn Scheme Explained

How the Give As You Earn scheme works, how employees sign up, how employers set one up in a few steps, the tax relief per pound, and Quality Mark recognition.

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What Is Payroll Giving? A Plain Guide

What Is Payroll Giving? A Plain Guide

What Payroll Giving is, how tax relief is given from gross pay before Income Tax, the role of approved agencies, and how it compares with Gift Aid for donors.

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Payroll Giving: How the Scheme Works

Payroll Giving: How the Scheme Works

What Payroll Giving is, how tax relief works from gross pay, how employers set up a scheme through an approved agency, and how it differs from Gift Aid.

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How Are Student Loan Repayments Calculated?

How Are Student Loan Repayments Calculated?

A step-by-step guide to how student loan repayments are calculated through payroll: thresholds, the 9% and 6% rates, rounding and worked examples.

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Plan 1 Student Loan Repayment Explained

Plan 1 Student Loan Repayment Explained

How Plan 1 student loan repayment works through payroll: the £26,900 threshold, the 9% rate, who qualifies and how employers deduct it.

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The student loan Plan 2 threshold explained

The student loan Plan 2 threshold explained

The Plan 2 student loan threshold is £29,385 for 2026-27, frozen to 2029-30. How employers deduct 9% above it, weekly and monthly figures, and SL1 notices.

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When did pension auto-enrolment start?

When did pension auto-enrolment start?

Auto-enrolment began on 1 October 2012. The staging timetable, the rise to 8% contributions, and what changed for employers since, explained in full.

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Salary sacrifice pensions and National Insurance

Salary sacrifice pensions and National Insurance

How salary sacrifice pension schemes cut employer and employee National Insurance, the 2026-27 figures, and the £2,000 cap arriving on 6 April 2029.

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How is Statutory Sick Pay calculated?

How is Statutory Sick Pay calculated?

A step-by-step guide to calculating Statutory Sick Pay: average weekly earnings, the 80% test, qualifying days, the daily rate and worked examples for 2026-27.

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Can employers claim back Statutory Sick Pay?

Can employers claim back Statutory Sick Pay?

Employers cannot reclaim Statutory Sick Pay from HMRC. Why SSP recovery ended in 2014, how it differs from SMP recovery, and how to offset the cost.

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How long does Statutory Sick Pay last?

How long does Statutory Sick Pay last?

Statutory Sick Pay lasts up to 28 weeks per period of sickness. How the 28-week cap works, the linking rule, and what happens with form SSP1 and ESA.

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When does statutory sick pay start?

When does statutory sick pay start?

SSP starts on the first qualifying day of sickness from 6 April 2026, not the fourth. When payment begins, how waiting days were abolished, and when it stops.

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How statutory sick pay works: a step-by-step guide

How statutory sick pay works: a step-by-step guide

How SSP works in practice: qualifying days, the £123.25 flat rate, the 80% test, average weekly earnings, notification, fit notes and the 28-week limit.

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Who pays statutory sick pay: the employer's duty

Who pays statutory sick pay: the employer's duty

Employers pay SSP, not HMRC, at £123.25 a week for up to 28 weeks. Who is liable, why the cost cannot be reclaimed, and what happens if it goes unpaid.

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Overtime and holiday pay: what must be included

Overtime and holiday pay: what must be included

Regular overtime must be included in the first 4 weeks of holiday pay. How guaranteed, non-guaranteed and voluntary overtime affect holiday pay, with examples.

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Holiday accrual: how to calculate it correctly

Holiday accrual: how to calculate it correctly

Holiday accrues at 1/12th a month for new starters and 12.07% of hours for irregular staff. How to calculate holiday accrual accurately, with worked examples.

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Browse by topic

Every guide we have on a subject, in one place.

Payroll basicsRunning payroll from scratch: what it involves, in what order, and what to check before each pay run.PAYE & RTI filingsRegistering for PAYE, filing the FPS and EPS on time, meeting HMRC deadlines and fixing what goes wrong.Payslips, P45 & P60The paperwork of payroll: payslips and their deductions, P45s, P60s, P11Ds and starter checklists.National InsuranceEmployer and employee National Insurance: how it is worked out, the thresholds, records, gaps and credits.Employment AllowanceWho can claim the Employment Allowance, how to claim it through the EPS, and the traps that void a claim.Income tax & take-home payTax codes, income tax bands, the personal allowance, and what actually lands in an employee’s account.Pensions & auto-enrolmentAuto-enrolment duties end to end: assessment, postponement, opt-outs, re-enrolment and the declaration of compliance.Sick pay & absenceStatutory Sick Pay from the first qualifying day: waiting days, linked periods, evidence and employer schemes.Maternity, paternity & family leaveEvery statutory family leave and its pay: maternity, paternity, adoption, shared parental, neonatal care and bereavement.Holiday entitlement & payWorking out holiday entitlement and holiday pay, including irregular hours and part-year workers.Leavers, notice & redundancyWhat is owed when someone leaves: notice, garden leave, redundancy pay and the holiday left in the final payslip.Minimum wage & pay ratesNational Minimum and Living Wage rates, the employer obligations behind them, and pay frequency.IR35 & employment statusDeciding whether someone is employed or self-employed, and what off-payroll working means for the payroll.Self-employment & sole tradersSetting up as a sole trader, self-assessment, expenses and the tax that follows.CIS & constructionThe Construction Industry Scheme: registering, verifying subcontractors and the deductions that follow.Contracts & workers’ rightsEmployment contracts, zero-hours arrangements and the rights that attach to casual and part-time work.HR, rotas & time trackingScheduling, attendance, onboarding and the day-to-day of managing a team.Payroll software & outsourcingChoosing software or a bureau: what to compare, what it costs, and what HMRC recognition actually means.Payroll API & integrationsBuilding payroll into your own product, and wiring it to the systems around it.Starting & running a businessThe employer side of getting a business off the ground, from the first hire to the year-end accounts.