A Stocks and Shares ISA can be opened by an existing first direct Sharedealing customer who is aged 18 or over, who are a resident in the UK or working overseas as a Crown employee – or married/in a civil partnership to someone who is. You must also be able to provide your National Insurance number or confirm you’re not eligible to apply for one.
You must also not have subscribed to a first direct or HSBC Stocks and Shares ISA in this current tax year. But you can have one Cash and one Stocks and Shares ISA with first direct or HSBC per tax year.