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How payroll services work

A payroll service calculates gross-to-net pay, deducts PAYE and National Insurance, submits Real Time Information to HMRC on or before payday and issues payslips.

Auto-enrolment duties sit alongside payroll: assessing employees, enrolling those who qualify and filing pension contributions each period.

Providers range from software you run yourself to a fully managed bureau that only needs your hours and changes each month.

HR manager reviewing payroll on a screen

What affects the cost of payroll services

  • Number of employees and pay frequency
  • Weekly versus monthly payroll runs
  • Pension auto-enrolment administration
  • Statutory pay, P11Ds and year-end filings
  • Whether payslips are digital or posted

Why compare payroll services with us

RTI filed for you

Submissions go to HMRC on time, every period, without you touching the portal.

Auto-enrolment handled

Assessment, enrolment and pension uploads included on managed plans.

Per-employee pricing

Costs scale with headcount, so seasonal changes are easy to absorb.

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Payroll options compared

Indicative UK pricing. Bureau providers often charge a base fee plus a per-payslip rate.

OptionBase feePer employeeBest for
Payroll software£8 - £20/mo£0 - £2Confident in-house admin
Managed bureau£20 - £40/mo£4 - £8Most small businesses
Accountant bundleIncluded£3 - £6Existing accountancy clients
CIS payroll£25 - £50/mo£5 - £12Construction firms

Typical monthly cost by headcount

Managed monthly payroll including auto-enrolment administration.

EmployeesTypical monthly costAnnual cost
1 - 5£25 - £60£300 - £720
6 - 20£60 - £160£720 - £1,920
21 - 50£160 - £350£1,920 - £4,200
51 - 150£350 - £850£4,200 - £10,200

Expert advice

Portrait of our head of business finance

Our finance team reviews UK providers, pricing tiers and service levels every quarter.

Payroll errors cost more than payroll fees. Pay for a provider that answers the phone when a payslip is wrong on payday.

Rachel Adeyemi, Head of Business Finance, Grow Your Business

payroll services: pros and cons

Pros

  • Removes the risk of late RTI penalties
  • Pension duties handled correctly
  • Costs flex with headcount
  • Payslips and P60s issued automatically

Cons

  • Weekly payroll costs noticeably more than monthly
  • Last-minute changes may miss the cut-off
  • Some providers charge extra for leavers and P45s

How to choose payroll services

The cheapest headline price is rarely the cheapest total cost. Work through these points before you commit.

  1. 1

    Fix your pay frequency

    Moving from weekly to monthly pay can halve your payroll bill.

  2. 2

    Check the cut-off

    Ask how many working days before payday the provider needs your data.

  3. 3

    Confirm pension uploads

    Not every quote includes filing contributions with your pension provider.

  4. 4

    Count the extras

    P11Ds, year-end filings and leaver processing are often priced separately.

Compare payroll services

See what's available for your business today. It takes just minutes.

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How to compare payroll services

Comparing takes a few minutes and there is no obligation to switch.

1. Tell us about your business

Turnover, structure, headcount and how many transactions you process each month.

2. See matched providers

We shortlist providers that genuinely support businesses of your size and sector.

3. Compare real costs

Monthly fees, per-user charges, onboarding costs and what is bundled versus billed extra.

4. Get set up

Your chosen provider handles onboarding, data migration and HMRC registrations where needed.

Find out more about how it works

Things to watch out for

HMRC penalties for late RTI apply per submission and escalate — confirm who carries that risk.

Some quotes exclude employees with zero pay in a period but still bill for them.

Check whether historical payroll data transfers when you switch mid-year.

Our payroll services service

We compare payroll services from established UK providers and independent practices, so you can weigh price against the level of support you actually get.

There is no fee to compare, and we will tell you plainly when your existing arrangement is already competitive.

Business finance documents and a laptop on a desk

Getting started

1

Gather your numbers

Latest accounts, current provider costs and your accounting year end.

2

Check the transfer

Confirm how records, payroll history and HMRC authorisations move across.

3

Set the go-live date

Most businesses switch at a quarter or year end to keep reporting clean.

Why choose Grow Your Business?

Wide choice of providers

We compare a broad range of UK providers so you can find the option that actually fits how your business operates.

Exclusive offers

We work hard to bring you exclusive deals, switching incentives and cashback where they're available.

Simple and fast

It takes just a few minutes to compare with us — and the deal you find could be well below what you pay today.

Types of payroll services

Different setups suit different stages of growth.

Payroll software

You run the payroll; the software handles calculations and RTI submissions.

Managed bureau

You send hours and changes; the provider does everything else.

Accountant-run payroll

Bundled into a wider accountancy package for a single monthly fee.

Umbrella / CIS payroll

Specialist handling for contractors and construction subcontractors.

Providers we compare

Logos are shown for identification. We are not affiliated with every provider listed and do not compare the whole market.

Crunch logoCrunch
Mazuma logoMazuma
TaxAssist logoTaxAssist
The Accountancy Partnership logoThe Accountancy Partnership
1st Formations logo1st Formations
Osome logoOsome
Sage logoSage
Xero logoXero
Compare payroll quotes

Comparing with us is a no-brainer

Twenty-two staff, weekly pay, zero HMRC letters since we outsourced it.

Sam, hospitality group, Bristol

Business banking guides

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Guide

Making Tax Digital: what UK businesses must do

Who is in scope, which software qualifies and the deadlines HMRC expects you to hit.

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Invoices and a calculator on a desk
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Cutting the cost of your accounting stack

Where subscription tiers, per-user fees and add-on modules quietly inflate your bill.

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Team meeting about business finances
Guide

In-house vs outsourced finance

When a bookkeeper, an accountant or a fractional finance director makes more sense.

Read guide

payroll services FAQs

When must RTI be submitted?

On or before the date you pay your employees. Late submissions can trigger HMRC penalties.

Does payroll include pensions?

Managed services usually include auto-enrolment assessment and contribution uploads. Software-only plans often do not.

Can I switch payroll provider mid-year?

Yes, though transferring year-to-date figures accurately is essential to avoid tax code errors.

Written by the Grow Your Business editorial team · Updated 26 July 2026