HM Revenue & Customs (HMRC)
The HM Revenue & Customs (HMRC) Manchester Office provides assistance with Self Assessment tax return queries for individuals outside the UK. Services include filing, amending, and checking the status of your tax returns. You can also receive guidance on registration, deadlines, payments, and penalties. It is advisable to call during HMRC Self Assessment helpline operating hours to avoid long wait times, which are common near deadlines. For quicker service, try calling early in the morning or outside peak periods. Be prepared to navigate automated menus or request to speak to an adviser directly.
Updated 4 Nov 2025
Expected outcomes
- File Self Assessment returns
- Amend tax return details
- Check tax return status
- Register for Self Assessment
- Receive payment guidance
Call preparation
Assemble everything before you dial. These requirements are verified by our call analysts and updated as organizations change their scripts.
- Unique Taxpayer Reference
- National Insurance number
- Relevant tax documents
- Personal details
- Contact information
- Reason for registration
Known issues
Callers frequently experience long wait times, especially near Self Assessment deadlines. To mitigate this, try calling early in the morning or outside peak periods. If you encounter difficulty reaching a human adviser due to automated systems, request to speak to an adviser after using the digital assistant or persist through menu options. Utilizing online services where possible can also help reduce wait times and streamline your experience. Always have your Unique Taxpayer Reference and relevant documents ready to expedite the process.
