Overpaying in Plain Sight: How Payroll Processing Errors Are Quietly Inflating Your National Insurance Bill
Thousands of British employers are remitting more National Insurance than they legally owe, not through fraud or mismanagement, but through subtle payroll miscalculations that go undetected for years. From misapplied thresholds to incorrectly classified earnings, the errors are systemic and the cumulative cost is substantial. This article sets out how directors can identify the problem and begin reclaiming what is rightfully theirs.