Contacting HM Revenue & Customs (HMRC) can sometimes be a challenge. Knowing which number to call can save you a lot of time and frustration. This guide provides a quick reference to the main HMRC helplines for UK businesses.
Before You Call
To make your call as smooth as possible, it is a good idea to:
- Have your reference numbers ready. This could be your UTR (Unique Taxpayer Reference), VAT number, PAYE reference, or Company Registration Number (CRN).
- For Self Assessment: Your National Insurance Number (NINO). This could be your UTR (Unique Taxpayer Reference), VAT number, PAYE reference, or Company Registration Number (CRN).
- Check the opening hours. Most HMRC lines are open from 8am to 6pm, Monday to Friday, but it is always best to check the GOV.UK website for the most up-to-date information.
- Be prepared for a wait. HMRC phone lines can be very busy, especially around key deadlines. Try to call at quieter times, such as mid-morning or mid-afternoon.
VAT-Related Helplines
- VAT Registrations: 0300 322 7870
- VAT General Enquiries (you must have a VAT number): 0300 200 3700
- VAT Online Services & De-registration: 0300 200 3701 – Note: Please allow at least 8 weeks before calling to chase a de-registration application.
- VAT Payment Plan / Time to Pay: 0300 200 3830
Other Key HMRC Helplines
- Self-Assessment (for sole traders and individuals): 0300 200 3310
- PAYE (for employers): 0300 200 3200
- Corporation Tax (for limited companies): 0300 200 3410
- Construction Industry Scheme (CIS): 0300 200 3210
- HMRC Online Services (for Government Gateway issues): 0300 200 3600
This guide is for information purposes only and was last updated in February 2026. Phone numbers and opening times can change, so we always recommend checking the official GOV.UK website for the most current contact details.