Outsourced payroll vs software for a micro employer (UK, 2026/27)

Short answer

Outsourcing payroll in the UK means paying a bureau or accountant to run PAYE for you; the alternative is HMRC-recognised software you run yourself, free for fewer than 10 employees. Either way, GOV.UK says you stay legally responsible for every PAYE task. Outsource when your time costs more than the fee or pay is irregular.

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Once you employ someone, PAYE has to run every payday: an FPS to HMRC on or before payday, payslips, payments to HMRC each month or quarter, and year-end P60s. A micro employer with one to nine staff has two ways to get that done. This post sets out what each route covers, what you can't hand over, and a simple way to decide. Our post on UK payroll providers compares named bureaus and apps; this one is about the decision itself.

What changes when you outsource payroll

GOV.UK describes two options: doing it yourself with payroll software, or paying a payroll provider to do it for you. It adds that some providers also keep employee records, provide payslips and make payments to HMRC, so what you buy depends on the provider.

GOV.UK: as an employer you're legally responsible for completing all PAYE tasks, even if you pay someone else to do them. You also remain responsible for collecting and keeping records of your employees' details.

So outsourcing moves the work, not the responsibility. If a bureau sends a late FPS or underpays HMRC, the penalty letter comes to you. Choose a provider whose contract says what happens when they make a mistake.

You also keep some work. A bureau can only report what you tell it, so each payday you still send hours, overtime, sickness and holiday, plus new starters' details and leavers' last days, before its cut-off. Late or wrong information from you becomes a late or wrong FPS from them.

Full Payment Submission (FPS)

What running payroll software yourself involves

GOV.UK says you must use payroll software that reports PAYE online, unless you're exempt. The software records employee details, works out pay and deductions, reports to HMRC, works out what you owe and calculates statutory pay such as sick or maternity pay.

The PAYE calendar you keep when you run it yourself (GOV.UK, 2026/27)
TaskWhen
Full Payment Submission (FPS)On or before each payday, including everyone you pay
Employer Payment Summary (EPS)By the 19th after the tax month, to claim reductions or report a month with no pay
Pay HMRCBy the 22nd of the next tax month if you pay monthly (19th by post), or the 22nd after each quarter if you pay quarterly
PayslipsOn or before payday
P60sTo everyone employed on 5 April, by 31 May

For one or two people on a fixed salary, this is an hour or two a month once set up. Varying hours, statutory pay, pension contributions and leavers each add work and more ways to make a mistake.

Employer Payment Summary (EPS)

What does each route cost?

Software can cost nothing. GOV.UK lists free HMRC-recognised payroll software for businesses with fewer than 10 employees, including HMRC's own Basic PAYE Tools, and paid desktop software starts low: Moneysoft Payroll Manager listed £95 a year plus VAT for up to 20 employees on 8 October 2026.

Bureau prices are usually quoted per business, so get two or three written quotes covering the same items: payslips, RTI, pension submissions, P60s, leavers, and payments to HMRC if you want them made for you. The true cost of doing it yourself is your time each payday plus the time to put errors right.

What is RTI?

Outsource or use software: how to decide

Outsourced payroll vs software for one to nine employees
Your situationLeans towardsWhy
One or two staff on fixed monthly paySoftwareSame figures each month; free software may be enough
Director-only company paying a salarySoftwareOne person, few changes, usually a fixed salary
Hourly staff, shifts or frequent starters and leaversOutsourcedMore changes each payday and more room for error
Statutory pay or pension changes coming upOutsourced, at least for that periodSSP, SMP and auto enrolment add rules to apply correctly
An accountant already does your books and returnsAsk them firstAdding payroll to an existing engagement is often simplest
You keep missing the FPS deadlineOutsourcedLate reports bring HMRC penalties

Many micro employers start with software and outsource later, or the other way round. Before switching, GOV.UK warns that some software won't let you keep the same payroll IDs; if they change, you mark the payroll ID changed indicator for each employee on the FPS, or HMRC may duplicate records.

Questions to ask a payroll bureau

  1. Which tasks are in the price: FPS, EPS, payslips, P45s, P60s, pension files, P11D?
  2. Do you pay HMRC and staff for us, or tell us what to pay?
  3. What do you need from us, and by which day before payday?
  4. What does a leaver, a new starter or an extra pay run cost?
  5. If you make an error that leads to an HMRC penalty, who pays it?
  6. Which HMRC-recognised software do you use, and can we take our data with us if we leave?

Where PayDocs fits

PayDocs isn't a bureau or payroll software and doesn't send anything to HMRC. It makes payslips and P60 employee copies from your figures, for employers whose software doesn't produce a payslip they're happy with, or who need one payslip for one period. PayDocs works out PAYE income tax, National Insurance and supported deductions for 2026/27 pay dates. Previewing is free; a PDF is £3.99 per payslip once checkout opens.

This is general information about the rules for employers in the UK, not tax or legal advice.

See prices

Questions

Am I still responsible if I outsource payroll?

Yes. GOV.UK says that as an employer you're legally responsible for completing all PAYE tasks even if you pay someone else to do them, and for collecting and keeping your employees' records.

Is there free payroll software in the UK?

Yes. GOV.UK lists free HMRC-recognised payroll software for businesses with fewer than 10 employees, including HMRC's Basic PAYE Tools. Check that a free product does the things you need, such as payslips and pension deductions.

What does running payroll software yourself involve?

Sending an FPS on or before each payday, an EPS by the 19th when needed, paying HMRC by the 22nd, giving payslips on or before payday and P60s by 31 May, all through HMRC-recognised software.

Should a micro employer outsource payroll?

Outsource when pay changes often, statutory pay or pensions add complexity, or deadlines keep slipping. One or two people on fixed pay usually manage well with software, often free.

Sources

Sources checked 8 October 2026. This article explains how pay documents work; it is not tax or legal advice.