04/08/2026
Here's the uncomfortable truth: HMRC's systems are built to collect what you owe — not to flag what you've overpaid.
Wrong NI category letter? It'll process fine. Employment Allowance never claimed? Nobody calls. RTI error in your favour? Silence.
The money doesn't come back until someone goes looking for it. That's the whole reason our free payroll review exists — 15 minutes, one clear number: what you could reclaim.
Book free at payrollsmart.co.uk/free-review or call 020 4621 4008.