Mercury isn't really a bank. They are a nice, new UI that uses real banks behind the scenes. The main bank they use is Evolve bank and trust and has been around

Mercury isn't really a bank. They are a nice, new UI that uses real banks behind the scenes. The main bank they use is Evolve bank and trust and has been around since 1987. But as of last year, they just had around $1B in assets under management.