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:
- the official HMRC app
- your personal tax account or business tax account using HMRC online services
Telephone: 0300 200 3600
Opening times: Monday to Friday, 8am to 6pm. Closed bank holidays.
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Updates to this page
Published 14 May 2025