Best for: Competitive spreads
A well-established and highly regarded UK forex broker, acquired by parent company GAIN Capital in 2014.
It currently offers 84 currency pairs across major, minor and exotics, with spreads on many majors standing around 0.8 when trading through its proprietary platform. You’ll need to deposit a minimum of £100 to start trading.
City Index provides several platforms, with its Web Trader and Advantage Apps aimed at beginner or casual traders, and MT4 and its own AT Pro platform for more experienced users.