Get contact details if you have a query about: 

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

Some of HMRC’s helplines use speech recognition software. 

• Alternative ways to contact HMRC (external link)  

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 (external link). 

There’s a separate process for:  

• complaints about HMRC online services (external link)  
• reporting serious misconduct by HMRC staff (external link)