Stamp Taxes: online services

Call HMRC for technical help with filing stamp tax returns online.

Phone

Call HMRC if you need help using the online service to submit a stamp tax return.

If your call is not urgent, you can find out information in:

Telephone: 0300 200 3600

Opening times: Monday to Friday, 8am to 6pm. Closed bank holidays.

Find out about call charges

Guidance

HMRC contacts

Updates to this page

Published 14 May 2025