UK Limited Company Payroll

Running payroll for your UK limited company means navigating PAYE, National Insurance, and Real Time Information filing while avoiding penalties that can reach thousands of pounds.

The question is not whether you can legally do it yourself, but whether the compliance risk justifies the cost savings.

Your decision comes down to a cost-benefit calculation most business owners get wrong.

They compare payroll bureau fees against their time, but ignore penalty exposure, correction costs, and the personal liability directors face when payroll compliance fails.

What Does UK Limited Company Payroll Actually Require of Directors?

UK limited company payroll is the legal obligation to deduct income tax and National Insurance from employee wages, report payments to HMRC in real time, and make accurate statutory payments for sick leave, maternity pay, and pensions.

Every UK company employing staff must register as an employer with HMRC, operate PAYE (Pay As You Earn), and submit Real Time Information (RTI) reports every time employees are paid.

This includes directors taking salary from their own companies.

The system requires three separate registrations: PAYE for income tax, National Insurance for employee and employer contributions, and automatic enrolment for workplace pensions if you employ anyone earning over £10,000 annually.

Miss any of these registrations and the penalties start immediately. The trap is that HMRC assumes you know about all three obligations from day one.

How Do UK Limited Company Directors Run Payroll Legally Each Month?

Each pay period, you calculate gross pay, apply tax codes and National Insurance rates, deduct employee contributions, calculate employer National Insurance (15% on earnings above £96 per week), and submit an RTI report to HMRC before or on the payment date.

Your payroll cycle looks like this: process payroll, submit FPS (Full Payment Submission) online, pay employees, pay HMRC by the 22nd of the following month, and handle any statutory payments like sick pay or maternity leave.

Here’s what actually happens at 4pm on a Friday when you realise the RTI submission failed: your employees expect payment today, HMRC’s helpline closed at 4pm, and you face an automatic £100 penalty for late filing.

You pay the staff anyway and hope Monday’s resubmission counts as “reasonable excuse”.

The complexity multiplies with multiple employees, different tax codes, student loan deductions, pension contributions, and statutory payment calculations that change annually.

Why Does Payroll Non-Compliance Expose UK Directors to Personal Liability?

Payroll mistakes cost UK limited companies an average of £1,400 per error, according to HMRC penalty data. But the real cost is director liability exposure when the company cannot pay accumulated PAYE debts.

Your personal risk as a director includes personal liability for PAYE taxes not paid by the company, disqualification from acting as a company director for serious compliance failures, and professional penalties if you operate other regulated businesses.

The most expensive mistakes are late PAYE payments to HMRC (5% penalty after 30 days, rising to 15% after 12 months), incorrect statutory sick pay calculations (penalties up to £3,000), and failing to auto-enrol eligible employees in workplace pensions (escalating penalties starting at £400).

Beyond financial penalties, compliance failures damage your relationship with HMRC, triggering more frequent inspections and reduced payment flexibility for corporation tax and VAT liabilities.

The moment your accountant mentions “HMRC compliance visit”, you know the next three months involve document requests, payment plan negotiations, and explanations to your bank about why HMRC correspondence is arriving.

What Are the Payroll Options for a UK Limited Company?

You can handle payroll internally using software, outsource to a payroll bureau, or use a hybrid approach where you process payroll but outsource compliance filing and statutory payments.

DIY payroll with software

Payroll software costs £8-25 per employee per month for RTI-compliant solutions. Popular options include Sage Payroll, QuickBooks Payroll, and Xero payroll.

You handle all calculations, filing, and compliance yourself.

This works for companies with 1-5 employees, simple pay structures, and directors comfortable with tax regulations.

Your time investment is 2-4 hours monthly for basic payroll, plus additional hours for year-end procedures and statutory payment calculations.

Software vendors claim “automatic compliance updates”, but you still own the liability when their calculations prove wrong. The automation handles the easy parts. You handle the exceptions.

Full payroll outsourcing

Payroll bureaus charge £15-40 per employee per month, plus setup fees of £200-500. They handle all calculations, RTI filing, HMRC payments, and statutory obligations.

You provide employee hours and pay rates; they manage everything else.

This suits companies with complex pay structures, multiple statutory payments, or directors who prefer guaranteed compliance over cost control. The bureau assumes liability for filing errors and penalty management.

When you tell your CFO the monthly cost, they will ask why you cannot use software instead. The answer: because software does not argue with HMRC on your behalf when things go wrong.

Hybrid payroll management

Some accountancy firms offer hybrid services where you calculate gross pay and they handle tax deductions, RTI filing, and HMRC payments. This costs £10-20 per employee per month while reducing your compliance risk.

The breakeven calculation depends on your penalty risk tolerance and compliance confidence. For a 10-employee company, full outsourcing costs £1,800-4,800 annually.

DIY software costs £960-3,000, but penalty exposure could easily exceed the savings.

Your Finance team sees the software saving. They do not see the director liability risk until HMRC enforcement letters arrive.

How Do You Choose Between DIY, Bureau, and Hybrid Payroll for Your Company?

Your decision matrix should weigh annual payroll costs against penalty risk, director liability exposure, and time investment.

Most directors underestimate the true cost of compliance errors when calculating DIY savings.

Choose DIY payroll if you have fewer than 5 employees, simple monthly salaries with no statutory payments, strong administrative systems, and confidence handling HMRC correspondence.

Your penalty risk is manageable, and software costs stay reasonable.

Choose outsourced payroll if you employ 10+ staff, have complex pay arrangements, pay statutory sick pay or maternity benefits regularly, or cannot afford PAYE compliance failures affecting other parts of your business.

For companies with 5-10 employees or seasonal complexity, the hybrid approach balances cost control with compliance safety. Choose the option that keeps your total exposure below your business’s penalty risk budget.

The right choice is the one that lets you focus on running your business instead of decoding HMRC penalty notices.

For more complex payroll decisions, consider specialist UK payroll software comparisons or outsourced payroll service reviews that evaluate provider reliability and compliance guarantees.

Frequently asked questions