Interactive Brokers is an American company offering one of the most popular Trading platforms globally and, yes, Interactive Brokers opens accounts to clients residing in UK. However, please note that the platform might not be suitable for Beginners since simplicity is not how you would describe it. It does offer many features for Pro Traders, but if you are not part of a Dealing Desk of a Big Financial Institution, perhaps you might want to try a simpler [And cheaper] option.
Even if you just started Trading, you have probably heard of Plus500, which is one of the most traditional Online Brokers.
Do you need a proof that they are serious and reliable? Well, the company is listed in the London Stock Exchange (Symbol: PLUS), it could not get more serious than that. Plus500 has been classified by many analysts as one of the top CFD trading platforms available, it is the number one CFD provider in both the UK and Germany (As stated on their Annual Report).
Plus500 grants access to international markets trading in an extremely simple way: first through a Free Simulator of its Multi Awarded Trading Platform and then, through a very fast account opening process. The trading platform, called Webtrader, offers CFDs on Stocks, Indices, ETFs, Commodities, Forex and Cryptocurrencies. Recommended to both beginners and advanced traders (they offer a special account for them). Definitely worth trying it.
Plus500AU Pty Ltd (ACN 153301681) is licensed by: ASIC in Australia, AFSL #417727, FMA in New Zealand, FSP #486026; Authorised Financial Services Provider in South Africa, FSP #47546. You do not own or have any rights to the underlying assets. Please refer to the Disclosure documents available on their website.