The reform has been in force for six weeks, and the pattern of questions is now clear. Almost none concern the rates themselves.
Employees are asking about the thresholds
Because the schedule steps rather than phasing in smoothly, employees near a threshold notice that a modest increase in gross produces a disproportionate change in what they take home. This is a feature of the schedule, not a payroll error, and it is worth being able to explain.
For employers, it has a practical consequence: when setting salaries or awarding increases near a threshold, check the net effect rather than the gross. A raise that leaves someone marginally better off before tax can leave them worse off after it.
The classification questions have arrived, as expected
Businesses engaging individuals as self-employed rather than as employees are now examining those relationships more carefully, generally after an adviser or a counterparty raised it.
The analysis has not changed: what matters is how the relationship actually operates, not the heading on the contract. Where the substance is employment, correcting the position voluntarily remains far cheaper than having it reassessed.
Owner-manager remuneration needs a deliberate decision
Where an owner takes a mix of salary and distributions, the combination now warrants an explicit calculation rather than continuation of last year’s arrangement. Make the decision, document the basis, and apply it consistently.
Check what the first payroll runs actually produced
If January and February were processed without a parallel test, reconcile them now against a manual calculation for a sample of staff at different salary levels.
Errors in the first runs under new rules are common, and they compound quietly across the year. Finding one in February means correcting two payslips. Finding it in November means correcting ten and explaining why.