Tax evasion

Online

Report tax evasion online

Use this form to quickly and easily tell HMRC about suspected tax evasion.

If HMRC needs to contact you about anything confidential they’ll reply by phone or post.

Phone

Call HMRC to report suspected tax evasion.

Telephone:
0800 788 887

Opening times:

8am to 6pm, Monday to Friday
Closed weekends and bank holidays

Find out about call charges

Post

Write to HMRC to report suspected tax evasion.
HMRC won’t reply to confirm they’ve received your letter.

HMRC
Reporting Tax Evasion
CF14 5ZN
Cardiff
United Kingdom