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Payroll and PAYE

Payroll is the one obligation that repeats every month and penalises lateness by default, whether you employ thirty people or only yourself.

Payroll and PAYE

The essentials

Report on or before payday

PAYE runs on Real Time Information: a submission on or before each payday, tax and employee National Insurance deducted at source, and payment across to HMRC on the monthly or quarterly cycle. Late submissions carry penalties scaled by headcount.

A director-only company is still an employer with the same duties. Being the only person on the payroll removes none of the filing.

A hire costs more than the wage

On top of salary sit employer National Insurance at 15% above the secondary threshold of £5,000 a year (from 6 April 2025), a minimum employer pension contribution on qualifying earnings, the cost of running payroll, holiday pay and statutory pay exposure. Employers' liability insurance is compulsory. Budgeting a hire on the headline salary is the most common miscalculation in this category, and it usually shows up in the third month.

Auto-enrolment is not optional

Eligible staff must be enrolled into a qualifying scheme, contributions must meet the minimum, a declaration of compliance is due, and the whole exercise repeats roughly every three years on re-enrolment.

Employees can opt out of their own accord. An employer inducing them to is prohibited, and The Pensions Regulator enforces that.

The allowance question, and what follows from it

Whether the Employment Allowance is being claimed where it is available comes first, remembering that a company whose only employee is a single director cannot claim it. The director's own salary level then follows from that answer rather than being set independently of it.

Second comes anything paid outside payroll that should have been inside it, which is where status questions and casual arrangements tend to surface.

The library

Every Payroll and PAYE article

28 guides, written or reviewed by a specialist accountant and kept current.

Nanny Tax: What a UK Family Owes When They Employ Someone at Home

Hiring a nanny makes a household a PAYE employer. This guide covers the £96 a week registration trigger, why a nanny cannot simply be treated as self-employed, what comes out of the nanny's pay, employer National Insurance at 15% above £5,000, pension auto-enrolment, the gross-versus-net wage trap, and the fact most nanny payroll marketing gets wrong: the Employment Allowance is an excluded liability for a household employer, so the family pays employer NIC in full.

16 min read

Is Gym Membership Tax Deductible? Four Answers

Employer-paid membership of a commercial gym is a taxable benefit in kind reported on a P11D, with employer Class 1A National Insurance at 15% since 6 April 2025. Running it through salary sacrifice does not reduce the charge, because the optional remuneration arrangements rules tax the higher of the salary given up and the benefit value. A sole trader's own gym spend is generally not allowable, and a limited company paying a director's membership creates the same benefit. This page gives all four rulings with a recomputable 2026/27 example.

9 min read

Employer NIC and the True Cost of an Employee in 2026/27

The salary you agree with a new employee is not what they cost you. In 2026/27 you add employer National Insurance at 15% on everything above £5,000, a minimum 3% pension contribution on qualifying earnings, and, for larger payrolls, the 0.5% apprenticeship levy. This guide works through the full true cost at £30,000, £45,000 and £70,000 salaries, explains the £10,500 Employment Allowance, and shows the marginal cost of every pay rise you award.

7 min read

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