If the startup has failed, it is highly unlikely that you would be able to get any $ from them. Even if you go after the founders personally, they likely don't

If the startup has failed, it is highly unlikely that you would be able to get any $ from them. Even if you go after the founders personally, they likely don't have any cash and it will be a waste of time. If the company is still operating and has cash in the bank, 1000% you should go after them -- payroll is the first thing on the preference stack that gets paid when shutting down.