The financial services industry offers two types of JISAs:
A Cash JISA
A Stocks & Shares JISA
You're allowed to have a maximum of one JISA of each type, i.e. 1x Cash JISA and 1x Stocks & Shares JISA.
Please be aware that the JISA allowance includes any money you add across both of these JISAs in the same tax year. It's your responsibility to make sure you don't exceed the JISA allowance.
Please note: CIRCA5000 only offer Stocks & Shares JISAs.