Self Assessment
HMRC may require you to complete a self assessment tax return for various reasons, from being self employed to having job expenses when you are employed under PAYE.
On this page you will find information about:
HMRC Self Assessment Helpline:
0300 200 3310Self Assessment Orderline:
0300 200 3610
Self Assessment Payment Helpline Phone Numbers
The Self Assessment payment helpline is specifically for people who cannot pay their tax bill on time.
Self Assessment Payment Helpline:
0300 200 3822
Office opening times are:
Monday to Saturday: 8.00am to 10.00pm
Sunday: 9.00am to 10.00pm
Closed: Christmas Day, Boxing Day, New Year’s Day and Bank Holidays
The HMRC Self Assessment main postal address is:
Self Assessment
HM Revenue and Customs
BX9 1AS
United Kingdom
For further Tax Contacts, please follow the links below:
Self Employed includes:
Recently become Self Employed HMRC Helplines
Construction Industry Scheme (CIS) Helpline
Capital Gains Tax Helpline for Self Employed
National Insurance Self-Employed HelplineNational Insurance includes:
Deficiency, Registrations & Classifications HelplinesPension Schemes includes:
Contracted Out Pension Schemes
Online Services HelplinesMore Tax Phone Numbers includes:
HMRC Capital Gains Tax
HMRC IR35
HMRC Employers Helplines
New Employers Helplines
Excise & Customs Helplines
Corporation Tax Helplines
ISA & Savings Helplines
Tax Charities
More Info
If you are new to self assessment and need to register for online services or have completed a tax return for many years and have a query, you can find the phone numbers you need to contact HMRC here.