Switch to cloud payroll in just 5 minutes
Switching payroll used to take hours, days or weeks. Not anymore…
Welcome to 2025, where AI cloud automation can complete a parallel run in just 5 minutes!
We’re not talking about just a simple Full Payment Submissions (FPS) year-to-date import; we mean a complete end-to-end parallel run with auto-enrolment pension and a verified comparison, so you are 100% confident. Works for every type of payroll, including:
Accountant/bureau with hundreds of clients
Large employers or staffing agencies with hundreds or thousands of employees

5-minute SWITCHING process
Export files
Export 2 files from your current payroll software (FPS XML and Employee CSV or XLSX)
Import
Import and select your pension scheme, postponement, and enter a mid-year Employment Allowance if applicable
Compare
Verify your parallel run, including pension status, by graphically comparing the parallel run FPS with your FPS
Make edits
Make further amendments, like adding a custom bank file or new pay definitions like bonus or overtime
Run payroll
Redo the pay run, check the parallel bank file, and you are good to go. Run your payroll with us.
FEATURES
We read all of your data
Import your files and the software will read all your data automatically – we don’t require you to spend hours adding missing data!:
Every YTD and pay value
Address and postcode
Bank details
Start date
Email address
Phone number
Previous pay and tax (from a P45 or HMRC P6)
Mid-year Employment Allowance
Recoverable and history options
You have the option to import an EPS for YTD Recoverable values: SMP/SPP/SHPP/Apprenticeship Levy.
If you need automated holiday pay or someone is approaching statutory leave and needs us to work out the average weekly earning threshold, upload:
- Holiday History file and /or
- Average Weekly Earnings (AWE) History file
AI works out the details
Unlike other payroll software, our AI automatically works out the nitty gritty details so you don’t have to!
Every employee’s Auto-enrolment AE Status:
- Enrolled
- Opted-out
- Deferred (postponed)
- Not enrolled
Pension percentages for Banded or Unbanded earnings.
The previous YTD values before your pay run
Salary for monthly schedules
Basic Pay for other schedules for the parallel run
Complete company payroll set-up
Our AI importer creates your company’s payroll from scratch, using the data you imported. Everything is set up and ready for your first pay run immediately!
Company
Employees
Salaries
Payments
Tax codes
Directors National Insurance
Previous pay/tax
Pay definitions
Pension Schemes
Pension reports
Parallel run
Pay run documents
New Payroll IDs for HMRC
Switch any time, at your own pace
If you’re a bureau with hundreds of clients or a large employer, you can’t possibly migrate everything in one go. Now you can manage your workload easier!
Because we use your latest FPS, you can import at any point in the year and your own pace. It’s your choice, and if one’s parallel needs more time, our incremental importer allows you to start in one month, import next month, and continue without losing any work.
Advanced features for professionals
You will usually use our standard donor company for the import. However, if you’re a bureau or accountant doing a lot of imports and want to add specific reports, schemes, or pay definitions, select your own donor company that you have previously imported and customised and accelerate the process even further.
If you want to skip the parallel run, select a YTD import, and you’ll be ready for the next pay run in seconds.
100% confidence with a highlighted comparison

Easily compare your migrated FPS with your original FPS by observing the highlighted differences shown in the graphic. Pinpoint any differences in seconds. We say the FPS never lies, and you are good to go if your FPS matches or you are happy with penny differences.
You can also visually compare any other file, e.g. Bank files are great for ensuring that our bank file is a perfect replica of the original bank file and that every sort code and account number is spot-on.
feature comparison
Compare our automation importer features with other vendors.
Features | paiyroll® (minutes) | Other vendors (hours, days or weeks) |
---|---|---|
YTD values from FPS | ✓ | ✓ |
Address and postcode | ✓ | ✓ |
Bank details | ✓ | ✓ |
Email address | ✓ | ✓ |
Start date | ✓ | ✓ |
Parallel run (YTD values prior to the FPS and pay from the FPS) | ✓ | |
Salary or pay for every employee | ✓ | |
EPS recoverables (SMP/SPP/SHPP/Levy) | ✓ | |
Holiday history | ✓ | |
Average Weekly Earnings (AWE) history | ✓ | |
Graphical compare of FPS/Pension/Bank files | ✓ | |
Incremental import | ✓ | |
Auto Enrol AE Status recovery via AI (Enrolled, Opted-Out, Deferred, Not enrolled) | ✓ | |
Postponement (deferral) | ✓ | |
Banded/Unbanded earnings | ✓ | |
Pension provider scheme selection and reports | ✓ | |
Mid-year employment allowance | ✓ | |
P45/ P6 Previous pay and tax | ✓ | |
Company pension YTD values | ✓ | |
Custom Donor company (Pay, Report, Schemes…) | ✓ |
FAQ
Any! You’re good to go if you can export an FPS XML and an employee CSV or XLSX file. If you need any help along the way you’ll get our 5* human support!
Yes, repeat the process as often as you need.
No, you can try us completely free! Our guarantee means you can evaluate the software for as long as needed and you won’t pay a penny until you decide to use us.
No! You are only performing a parallel run in our cloud system. Because you will not enter any credentials, data cannot be sent to HMRC. It’s a perfect way to evaluate or move to our software without disturbing your existing payroll.
Our software takes care of that for you automatically. Because we import your FPS Payroll IDs, we always send your old Payroll ID and our new ID as an explicit instruction to HMRC. Other systems may only send the changed indicator. Sending the old and the new Payroll ID is an explicit instruction to the HMRC systems to make the change.
Yes, we have been HMRC Tested and Recognised since 2019. Our customers have imported hundreds of payrolls using the automated importer – please see our Trustpilot page and testimonials. Call us anytime – we are here to help.
Yes, our customers say it’s a walk in the park. Follow our simple instructions to export two files from your existing payroll. Then, use our simple wizard-based importer that you can run as often as required. You’re always in control, and you can check everything that’s been imported.