When you’ve only got a few people on the books, payday is simple. But as your team gets bigger, payroll can turn into a real headache. More people means more hours to track, more tax codes, more holiday pay, more pension stuff, and more chance of mistakes.
Why payroll gets tricky when your team grows
At first, you can pay everyone with a spreadsheet and a few quick checks. But once you’ve got more people:
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There’s more to keep track of – timesheets, overtime, bonuses, new starters, leavers, tax changes. It all piles up.
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It’s easier to get it wrong – one small slip can mean someone’s paid the wrong amount, or the tax office sends you a penalty.
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It takes longer – you can spend hours just sorting out the figures before payday.
The good news? If you put some proper steps in place now, payroll can still run smoothly no matter how big your team gets.
1. Get the basics sorted early
The bigger you get, the more you need a simple system. That means:
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One person in charge – even if you outsource, someone in your business should be the go-to for payroll questions.
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Clear deadlines – set a date when all hours, expenses, and changes need to be in.
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A proper system – whether it’s good payroll software or an accountant, make sure it can handle different pay types, shifts, and pensions.
2. Make sure new starters are paid right the first time
Nothing kills trust like missing someone’s first pay. Have a checklist for new hires that covers:
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Bank details
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Tax info (P45 or Starter Checklist)
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NI number
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Right to work
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Agreed hours and pay rate
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Pension details
Tick everything off before the first payroll run.
3. Don’t let last-minute changes mess things up
A big cause of mistakes is when managers send changes after the cut-off date.
Make a rule: if it’s not in on time, it waits until next month. It keeps payroll accurate and stops you working late the night before payday.
4. Handle leavers properly
When someone leaves, you still have to get their final pay right. That includes:
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Any holiday they’ve built up but not taken (or taken too much)
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Overtime owed
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Final payslip and P45 sent quickly
Get this wrong and it can cause problems – even after they’ve gone.
5. Keep up with pay and tax rules
The rules change every April, so keep an eye on:
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Minimum wage rates (they go up – and birthdays can bump someone into a new bracket)
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Statutory sick pay, maternity/paternity pay
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Holiday pay rules
If you’re unsure, get your accountant to check – fines for underpaying can be nasty.
6. Stay on top of pensions
If you’ve got staff, you’ve got to think about auto-enrolment:
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Check who needs to be put in the pension each pay run
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Keep records of letters and opt-outs
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Make sure contributions are right – both yours and the employee’s
It’s easier to check little and often than sort out a year’s mistakes.
7. Keep expenses and benefits clear
Decide how you’ll deal with things like company cars, gym memberships, or mileage. Will you tax them through payroll or deal with them at year-end?
Pick one method and stick to it – changing it halfway through the year causes confusion.
8. Use a proper system for hours and overtime
Guessing hours is a bad idea. Use timesheets, clock-ins, or rota software – and get managers to approve them before the cut-off date.
Link it to payroll software if you can – less re-typing, fewer mistakes.
9. Stick to a regular routine
Decide when you’ll run payroll each month, when you’ll send payslips, and when the money will hit bank accounts – then stick to it.
People care about payday. If you’re late, you’ll hear about it.
10. Keep data safe
Payroll holds sensitive info – bank details, NI numbers, salaries.
Only let people who need to see it have access, and never send it over insecure apps or personal email.
11. Have a backup plan
What if the person who normally runs payroll is off sick?
Write down the steps or get your accountant to cover it – missed payroll is the kind of problem no one forgets.
12. When to get help
Running payroll yourself is fine when you’re small. But if:
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You’re spending hours on it every month
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The rules are stressing you out
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You’ve had a couple of mistakes already
It might be time to hand it over to a payroll service like FD Accountants. You still stay in control, but you don’t have to deal with the admin.
FAQs – How to Handle Payroll When Your Team Grows
1. Do I have to change how I run payroll as my team grows?
Yes. More staff means more hours, different pay rates, and extra rules to follow. A proper system helps keep it accurate.
2. How often should payroll be processed?
Most UK businesses run it monthly, but weekly or fortnightly works for some. Pick a schedule and stick to it.
3. What happens if I make a payroll mistake?
Fix it as soon as possible and keep a record. You may need to adjust future pay or contact HMRC if tax is affected.
4. How do I deal with holiday pay for part-time staff?
It’s worked out based on the hours they work. Many payroll systems can calculate it automatically.
5. Do I need payroll software?
If you’ve got more than a handful of staff, yes. It saves time and reduces mistakes compared to manual spreadsheets.
6. How do I keep payroll data safe?
Only give access to people who need it, use secure systems, and avoid sending sensitive details by personal email.
7. What’s the cut-off date for changes to payroll?
It’s up to you – but set one and make sure managers know it. Late changes often cause errors.
8. How do I manage payroll if I’m away?
Have a backup person trained, or use an accountant who can run it for you in your absence.
9. Do I need to enrol all staff in a pension?
You must follow auto-enrolment rules – this depends on age and earnings. Check every payroll run.
10. When should I outsource payroll?
If it’s taking too much time, becoming stressful, or you’ve had multiple mistakes, outsourcing can save you hassle and money.