Don't make the production company answer to two or three bosses. Approvals will be required throughout or at the very least, on the final draft of the script. Establish who's signing off on what and a process for doing it, so that signatures and dates create a map of progress. You are now armed with the tools you need to select the production company that will be right for you. Chances are that others will agree with your instincts.
Good technique is critical to good video.
Poorly produced pieces stand out plainly to those accustomed to seeing high quality network television productions. Doing your homework before committing financial resources can help you reap big rewards in terms of receiving the best quality video at the best price.