You can use investing platforms to invest in international markets. The easiest way to do this is through funds that invest in overseas markets, for example in US stocks, European, or even more broadly in global markets – all of the platforms will offer these. If you want to invest directly in international shares, you need to check with the platform to see what they have on offer as product ranges vary widely. Don’t forget, it will be more expensive than investing in London based shares as transactions in international shares involves foreign exchange fees.