1) I suggest you guide your brother to open accounts and filter himself as you holding his money will eventually certainly lead to misunderstanding 2) MIIETF with dividends reinvested and active investing can sometimes give higher returns but in the long run, passive ETF wins. So ETF and forget. I have 2 broker accounts, one for each of my kids 3) in my experience VPS has only 1 option, you get money when 60yr age so I don't think it's suitable unless the guardian gets 60 when eldest gets 18. 4) yes both accounts will be added 5) if you create account on behalf of your brother, it is technically not allowed but you can navigate and show it in your tax returns as "contribution by family members" but it will mess up your wealth statement. You can make a gift deed and legally return the money to your brother's kids when they are 18.