HMRC online services: sign in or set up an account
...Sign in or set up a personal or business tax account, Self Assessment, Corporation Tax, PAYE for employers, VAT and other services....
https://www.gov.uk/log-in-register-hmrc-online-services
Sign in to a service - GOV.UK
...Sign in to one of the most viewed services HMRC services Sign in to use tax services including self-assessment....
https://www.gov.uk/sign-in
Sign in to your HMRC business tax account - GOV.UK
...If you manage one or more business taxes online, sign in to your business tax account to view your tax position and manage all your taxes from one place....
https://www.gov.uk/guidance/sign-in-to-your-hmrc-business-tax-account
File your Self Assessment tax return online - GOV.UK
...You can file your Self Assessment tax return online if you: are self-employed are not self-employed but you still send a tax return, for example because you receive income from renting out a ......
https://www.gov.uk/log-in-file-self-assessment-tax-return
HM Revenue & Customs - GOV.UK
...How to download and access the HMRC app on a mobile device to get information about your tax, National Insurance and benefits....
https://www.gov.uk/government/organisations/hm-revenue-customs
Accessing HMRC online services using GOV.UK One Login
...If you?re a tax agent, or an organisation with a business tax account, you will continue to use Government Gateway until you?re asked to create a GOV.UK One Login....
https://www.gov.uk/guidance/accessing-hmrc-online-services-using-govuk-one-login
GOV.UK One Login
...Get your users? identity checks done centrally by using GOV.UK One Login. You?ll get confirmation that the person is who they say they are without having to do any checks yourself....
https://www.sign-in.service.gov.uk/
www.online.hmrc.gov.uk
...System error encountered on HMRC online authentication page. Please try again later or contact support....
https://www.online.hmrc.gov.uk/authentication/login
Login to SDES - HM Revenue and Customs
...We use some essential cookies to make our services work. We would like to set additional cookies so we can remember your settings, understand how people use our services and make improvements....
https://sdes.hmrc.gov.uk/sdes/login/account-type
Personal tax account: sign in or set up - GOV.UK
...Sign into or set up a personal tax account to check and manage HMRC records, including Income Tax, change of address, Self Assessment and company car tax....
https://www.gov.uk/personal-tax-account