As with anything, there is no one-size-fits-all answer to this question. Different platforms cater to different needs and preferences, so it's important to do your research before settling on a platform. That said, some of the best online trading platform uk-wide include IG, CMC Markets, and eToro. Each has its strengths and weaknesses, so it’s important to decide which platform is right for you. Some factors to consider include the platform’s fees, the range of products offered, its customer service record, etc.