You may be using software to interact with HM Revenue and Customs (HMRC), for example to send your Self Assessment tax return.

You can use this service to:

  • check which software you’ve given permission to
  • remove permission from any software, for example permission to file your return

Start now

Before you start

To sign in for the first time, you’ll need:

  • a Government Gateway account - you’ll have one if you’ve used HMRC online services before
  • a permanent National Insurance number