| Couriers delivering post to an HMRC PO box or BX postcode |
HM Revenue and Customs, Benton Park View, Newcastle Upon Tyne, NE98 1ZZ |
| Central Agent Authorisation and Maintainer Teams |
HM Revenue and Customs, National Insurance Contributions and Employer Office, BX9 1AN |
| Corporation Tax Services |
HM Revenue and Customs, BX9 1AX |
| Employers and Construction Industry Scheme |
HM Revenue and Customs, National Insurance Contributions and Employers Office, BX9 1BX |
| National Insurance Contributions |
HM Revenue and Customs, National Insurance Contributions and Employers Office, BX9 1AN |
| NIC and Employer Complaints |
HM Revenue and Customs, BX9 1AA |
| Online services complaints |
HM Revenue and Customs – Digital Service Complaints, 2nd Floor Accounts Office, Victoria Street, Shipley, BD98 8AA |
| PAYE, Self Assessment, Capital Gains Tax, Inheritance Tax |
HM Revenue and Customs, BX9 1AS |
| PAYE and Self Assessment Complaints |
HM Revenue and Customs, BX9 1AB |
| VAT (where the VAT enquiry online service is not suitable) |
HM Revenue and Customs – VAT Written Enquiries Team, Alexander House, 21 Victoria Avenue, Southend-On-Sea, SS99 1BD |