Barclays Investment ISAAll you need to do is choose the investments you’d like from a wide range of products including stocks & shares, iShares, gilts & bonds, Exchange Traded Commodities (ETC), funds, and Investment Notes. Your Investment ISA can be as simple or complex as you want, depending on your experience, knowledge and how hands-on you want to be. You can also change your investment mix any time you wish so that your tax-efficient portfolio matches your investment objectives and risk profile as they change over time.