Moonworkers

Moonworkers Blog

Payroll insights & guides

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

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438 articles

How to pay yourself from a limited company

How to pay yourself from a limited company

How to pay yourself from a limited company: director salary, dividends, pension contributions and loans, with 2026-27 tax, NI and dividend rates explained.

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CIS tax refund: how subcontractors reclaim deductions

CIS tax refund: how subcontractors reclaim deductions

A CIS tax refund guide for subcontractors: how sole traders, partners and limited companies reclaim overpaid CIS deductions, what evidence HMRC needs and when.

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NI category M: employer NI relief for under-21s

NI category M: employer NI relief for under-21s

NI category M explained: zero employer National Insurance for employees under 21, the upper secondary threshold, letter Z, apprentices, examples and FPS fixes.

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NIable pay: what counts for National Insurance

NIable pay: what counts for National Insurance

NIable pay explained for employers: which payments attract Class 1 National Insurance, what is disregarded, salary sacrifice, tips, mileage and worked examples.

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Shift allowance: pay rules, tax and holiday pay

Shift allowance: pay rules, tax and holiday pay

Shift allowance explained for UK employers: night work rules, minimum wage treatment, tax and NI, holiday pay, statutory pay and worked payroll examples.

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Back pay: how payroll handles arrears of wages

Back pay: how payroll handles arrears of wages

Back pay explained for UK employers: income tax and NI on arrears, FPS reporting, minimum wage arrears, statutory pay recalculations and worked examples.

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Director pension contributions: how they work

Director pension contributions: how they work

Director pension contributions explained: employer versus personal payments, corporation tax relief, the £60,000 annual allowance, NI savings and worked example

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Claiming mileage when self-employed: the 55p rules

Claiming mileage when self-employed: the 55p rules

How the self-employed claim business mileage: the 55p flat rate, actual costs, capital allowances, commuting rules, records and worked examples.

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Rest breaks at work: the legal rules for employers

Rest breaks at work: the legal rules for employers

Rest breaks at work explained: the 20-minute rule, daily and weekly rest, young workers, exceptions, compensatory rest, unpaid breaks and minimum wage pay.

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Pensionable pay: what counts and how payroll uses it

Pensionable pay: what counts and how payroll uses it

Pensionable pay explained for employers: how it differs from qualifying earnings, the three certification sets, scheme definitions and payroll worked examples.

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NT tax code: when no tax is deducted and why

NT tax code: when no tax is deducted and why

The NT tax code explained: the closed list of cases HMRC allows, how payroll applies it, why National Insurance still applies, and the rules for overseas work.

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Tax code for a second job: BR, D0, D1 and splits

Tax code for a second job: BR, D0, D1 and splits

Which tax code a second job gets, from BR and D0 to a split Personal Allowance, with engine-checked figures, National Insurance rules and employer duties.

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SPP1 form: when employers must refuse paternity pay

SPP1 form: when employers must refuse paternity pay

The SPP1 form explained for UK employers: when Statutory Paternity Pay is not payable, the 28-day deadline, day-one leave, disputes and record keeping.

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KIT days on maternity leave: an employer's payroll guide

KIT days on maternity leave: an employer's payroll guide

KIT days on maternity leave explained for UK employers: the 10-day limit, SMP protection, pay offsetting, SPLIT days, payroll reporting and common errors.

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PAYE coding notice: P2, P6 and P9 explained

PAYE coding notice: P2, P6 and P9 explained

The PAYE coding notice explained: what the employee P2 shows, how employers receive P6 and P9 notices, what to apply and when, and how errors are fixed.

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Cumulative tax code: how PAYE keeps a running total

Cumulative tax code: how PAYE keeps a running total

The cumulative tax code basis explained: how PAYE uses pay and tax to date, why refunds and catch-ups happen, worked figures and what employers must get right.

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Enhanced redundancy pay: design, tax and payroll

Enhanced redundancy pay: design, tax and payroll

Enhanced redundancy pay explained for UK employers: how schemes top up the £22,530 statutory cap, age-safe formulas, the £30,000 tax rule, Class 1A and payroll.

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Self-employed paternity pay: what the rules allow

Self-employed paternity pay: what the rules allow

Self-employed paternity pay explained: why sole traders get no SPP, what Maternity Allowance and shared parental pay offer, and how directors on payroll qualify

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Postgraduate loan repayment through UK payroll

Postgraduate loan repayment through UK payroll

Postgraduate loan repayment is 6% of earnings above £21,000 for 2026-27. How employers deduct it with other plans, PGL1 and PGL2 notices, and worked examples.

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Plan 4 student loan: a payroll guide for employers

Plan 4 student loan: a payroll guide for employers

Plan 4 student loan repayments start above £33,795 for 2026-27. How employers deduct 9% for Scottish borrowers, period thresholds, SL1 notices and examples.

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Agency worker regulations: the 12-week rule explained

Agency worker regulations: the 12-week rule explained

The Agency Workers Regulations 2010 explained: day-one rights, the 12-week qualifying period, equal pay, anti-avoidance, tribunal claims and the payroll side.

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Mileage allowance relief: how employees claim it

Mileage allowance relief: how employees claim it

Mileage allowance relief explained: who qualifies, how the 55p and 25p rates set the claim, P87 and Self Assessment routes, evidence and the employer's role.

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Is salary sacrifice worth it? The numbers explained

Is salary sacrifice worth it? The numbers explained

Is salary sacrifice worth it? Worked 2026-27 figures on tax, NI and take-home pay, the hidden costs, and what the £2,000 pension cap from April 2029 changes.

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Growth and Skills Levy: what changes for employers

Growth and Skills Levy: what changes for employers

The Growth and Skills Levy explained for UK employers: the 0.5% charge, the £15,000 allowance, 12-month fund expiry, apprenticeship units and co-investment.

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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.