Get contact details if you have a query about: 

• Self Assessment  
• Tax Credits 
• Child Benefit 
• Income Tax 
• National Insurance 
• Tax for Employers 
• VAT 
• Construction Industry Scheme 
• Technical problems using HMRC online services 
• Emails from HMRC that you think might not be genuine 
• Any other taxes or HMRC services 

Some of HMRC’s helplines use speech recognition software. 

• Alternative ways to contact HMRC. 

You can also use HMRC’s Welsh language services. 

Make a complaint 

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 will deal with your complaint and what happens next. 

There’s a separate process for:  

• complaints about HMRC online services  
• reporting serious misconduct by HMRC staff