The financial services industry offers several types of ISAs:
Stocks & Shares ISA
Cash ISA
Lifetime ISA
Innovative Finance ISA
You're allowed to have a maximum of one ISA of each type, e.g. 1x Cash ISA and 1x Stocks & Shares ISA.
But please be aware that the ISA allowance includes any money you add across all of your ISAs in the same tax year. It's your responsibility to make sure you don't exceed your ISA allowance.
Please note: CIRCA5000 only offer Stocks & Shares ISAs.