HMRC warns Self Assessment customers over scams
Millions of Self Assessment customers are being warned by HM Revenue and Customs (HMRC) to remain vigilant as scammers continue to target taxpayers.
Fraudsters often impersonate HMRC by offering fake refunds or demanding urgent payments in an attempt to steal personal and banking information. Messages may claim it is safe to share details such as passwords or access codes, but HMRC says customers should never do so.
Between August 2024 and July 2025, HMRC received more than 170,000 reports of scam attempts. Although this marked a 12% decrease compared to the previous year, more than 47,000 reports still involved fake tax refund claims.
[Scam example]
Filing returns early can help customers avoid being caught off guard, as those who have already submitted their Self Assessment are less likely to be targeted. The deadline for online submissions is 31 January 2026.
HMRC has stressed it will never leave voicemails threatening arrest, ask for financial information via text or email, or contact customers to inform them of a refund. Any genuine tax refunds can be claimed securely via an HMRC online account or through the free HMRC app.
Kelly Paterson, HMRC’s Chief Security Officer, said: “Scammers target individuals when they know Self Assessment customers will be preparing to file their tax returns. We’re urging everyone to stay alert to scam emails and texts offering fake tax refunds.
[Scam example]
“Taking a moment to pause and check can make all the difference. Report any suspicious activity to us before the fraudsters do any more harm. Search ‘HMRC scams advice’ and refer to the scams guidance on GOV.UK to stay informed and protect yourself.”
Suspicious emails should be forwarded to [email protected]
, while scam texts can be sent to 60599. Fraudulent calls can be reported through GOV.UK.
More advice on protecting against scams is available at GOV.UK by searching ‘HMRC scams guidance’.
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