Payroll Is Not a Second Product
Ask why payroll is a separate product and the honest answer is history, not design. It was hard, it was regulated, it changed every year, and it was easier to sell as its own thing. None of that explains why the two systems still do not talk properly in 2026 — but it does explain why re-keying is normal.
The handover is the failure point
A pay run produces at least three things the ledger needs: the wage expense, the source deductions held in trust until you remit them, and the employer's own contributions, which are a real cost nobody deducted from anybody.
When payroll lives elsewhere, somebody moves those numbers across every period. Usually correctly. The periods where it goes wrong are not obvious at the time — a journal keyed into the wrong month, an employer cost posted to wages, a remittance cleared against the wrong liability — and they surface in February when the T4s do not agree with the ledger.
Year-to-date is not a report, it is state
CPP stops at the annual maximum. That single fact means a payroll system has to know what it already did this year for this person, or December's cheque will be wrong. It is also why a mid-year switch between payroll systems is genuinely risky rather than merely inconvenient: the new system starts with no memory of the old one's year.
Anything that treats year-to-date as something to be reported rather than something to be maintained will eventually produce a slip that does not balance.
What we built instead
Payroll for Canada and the United States in the same ledger as everything else — CPP with the ceiling, EI, provincial tax, Ontario Health Premium, Quebec's QPP and QPIP, American federal and state withholding — with T4s, RL-1s and W-2s built from the year that was actually run.
A pay run posts once and refuses to post twice, because the failure we cared most about was not arithmetic; it was the same run landing in the books a second time and nobody noticing until the bank did not reconcile.
What we do not do
We do not produce a Record of Employment. If that is central to how you operate, it has to be solved elsewhere, and we would rather write that in a blog post than let you find it in March. It sits on the pricing page and the payroll page for the same reason.
See it in your own numbers.
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