You need to write to us to request to close your account.
Before doing so, make sure there are no open positions left on your account and withdraw all remaining funds.
Then email helpdesk.au@ig.com with your request and ensure to include the following information for security:
Your full name and date of birth
Your registered postal address
Your phone number
The balance on your IG account
The market you last traded
The last four digits of your registered card(s)