Even if there are plenty of competitors in your space, time is a huge factor, and they probably need your firm as much as you need theirs at this point. So, I'

Even if there are plenty of competitors in your space, time is a huge factor, and they probably need your firm as much as you need theirs at this point. So, I'd just put the cards on the table: treat us with more respect or find someone else. That usually sorts things out.