Establish which jurisdictions are involved
Payroll is jurisdiction-specific. A provider that processes a country through its own team behaves differently from one that routes the work to a partner bureau, and the difference shows up in cut-offs, query handling and who answers when something is wrong. Ask which countries are processed in-house and which are referred.
Fix the calendar before the price
Payroll is a calendar business: the date on which changes must be submitted, the date on which payslips are issued and the date on which salaries are paid. Ask for those dates in writing, including the rules for late changes and for corrections after payment.
Check the statutory scope
Confirm whether the provider calculates employer contributions, prepares and files the statutory declarations, produces payment files for the bank, and handles year-end certificates and benefit reporting. These items are frequently outside a per-payslip fee.
Consider confidentiality and access
Salary data is among the most sensitive information a company holds. Ask who inside the provider can see it, how access is restricted, how payslips are distributed and whether employee self-service is available. In several countries these points are governed by professional rules as well as by data-protection law.
Model the cost at your actual headcount
Per-payslip rates usually fall in bands, so a quote that looks expensive at five employees may be competitive at twenty-five. Ask for the price at three headcount levels and at two countries, and ask what happens in the month of a bonus run or a leaver, when volumes temporarily increase.
Applying this
A payroll comparison conducted this way produces an annual cost, a calendar and a statement of accountability, which is a more useful basis for a decision than a rate per payslip.