Five9

Five9 works in custom software development, which is about building software for you when nothing off the shelf fits. They have not published a longer description, so we lean on what their category usually involves.

Who is it for? Mostly companies with a specific process to automate.

Five9 has not published its location or founding year. More on five9.eu.

Things worth asking about: portfolio relevance, who owns the code, and how they handle changes. Ask for a trial on your own data, not a canned demo.

The facts above come from public company records. The score will come from people like you. Used Five9? Rate it.