Bancoli is a decent solution for US companies, and it does work with foreigners. It's owned by Romeo Juhasz, also owns Relabe (payment processing for ad networks) and Sulvo (Google partner for advertising). They have insurance backed by the US fund instead of FDIC so the limits are higher. I've seen some companies pretty well served with them, but it's still a pretty new company so I don't have much hands on experience and don't want this to serve as any promotion