HMRC Self Employed Contact Details

Capital Gains Tax enquiries:
0300 200 3300

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 Capital Gains Tax Office main postal address is:

Capital Gains Tax Queries
HM Revenue and Customs
BX9 1AS
United Kingdom

Tax Office (HMRC)

HMRC Online Services

Find an Accountant

Tax Credit Helplines

Child Benefit Helplines

Self Assessment includes:
Self Assessment Helpline & Orderline
Self Assessment Payment Helplines

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 Helpline

National Insurance includes:
Deficiency, Registrations & Classifications Helplines

VAT Online Services Helpdesk & VAT Helplines

Pension Schemes includes:
Contracted Out Pension Schemes
Online Services Helplines

More 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