Payroll mistakes that cost small employers more than the payroll itself
Payroll looks simple until something goes wrong. A missed deadline, a wrong tax code, or a pension contribution calculated on the wrong earnings band can turn a routine pay run into a penalty, a corrected submission, and an awkward conversation with an employee. Most of these mistakes are not caused by complicated rules. They are caused by rushing the pay run, copying last month's figures, or treating payroll as an admin task rather than a compliance task. Using the wrong tax code, and leaving it wrong Tax codes change, and employees do not always tell you. A P45 from a previous job, a coding notice from HMRC, or a second job that changes the personal allowance can all mean the code on file is out of date. Running payroll on a stale code over-deducts or under-deducts tax month after month, and the correction lands in one lump sum that nobody expected. The fix is a habit, not a system. Check for new coding notices before every pay run, not once a quarter. If an employee hands you a ...