Before you call
This helpline may ask you some security questions. Make sure your business details and address are up to date in your business tax account or you could fail telephone security. If you do not have a business tax account, you can create one before you check your details.
Call HMRC if you’re an employer and need advice about:
You will need your employer reference number, if you have one.
Our phone line opening hours are:
Monday to Friday: 8am to 6pm
Closed on Saturdays, Sundays and bank holidays.
You can also find out information in business tax account.
Find out about call charges
Write to HMRC for advice if you’re a new employer or contractor.
You do not need to include a street name, city name or PO box when writing to this address.
Couriers should use a different address.