HMRC is aware of an automated phone call scam which will tell you HMRC is filing a lawsuit against you, and to press 1 to speak to a caseworker to make a payment. We can confirm this is a scam and you should end the call immediately. This scam has been widely reported and often targets elderly and vulnerable people.

Will HMRC ring me off mobile number?

Call HMRC from ANOTHER phone if u want to check. But HMRC says it will never call you up out of the blue and tell you that you owe money, and will only ever call asking for payment on a debt that you are already aware of.

How do I know if HMRC are investigating me?

Every tax investigation starts with a brown envelope marked 'HMRC' falling through your letterbox. ... The letter will tell you whether the investigation is into a particular aspect of your tax return, or a more comprehensive investigation into your wider tax affairs.