Get contact details if you have a query about:
- Self Assessment
- tax credits
- Child Benefit
- Income Tax
- National Insurance
- tax for employers
- the Construction Industry Scheme
- HMRC online services
- emails from HMRC that you think might not be genuine
- any other taxes or HMRC services
You can also use HMRC’s Welsh language service.
Contact the relevant HM Revenue and Customs (HMRC) helpline if you’re unhappy with the service you’ve received. HMRC has guidance about how they’ll deal with your complaint and what happens next.
There’s a separate process for: