Jefferies does not specify any particular trading platform, which can be a limitation for traders accustomed to using established platforms like MT4 or MT5. Instead, the company seems to focus on offering a range of financial services, including investment banking and wealth management, which may not require a dedicated trading platform. For Jefferies trading, I suggest contacting their customer support to get specific details about the platforms available for equities and fixed income trading. Without this information, it's hard to assess whether Jefferies offers a trading platform that fits your needs.