Wealthsimple is a Canadian fintech offering stocks, ETFs, crypto trading, and other services such as managed investing, saving, and tax services. The trading platform supports thousands of stocks and ETFs listed only in major Canadian and US exchanges.Wealthsimple is a Canadian fintech offering stocks, ETFs, crypto trading, and other services such as managed investing, saving, and tax services. The trading platform supports thousands of stocks and ETFs listed only in major Canadian and US exchanges.