It has to be clear who does what and when.
This goes for payment as well. Of the agreed upon price, half will be paid up front, the other half when you have signed on your newest colleague.
You will recieve a weekly mail regarding the status of the process.
A simple and easily read schedule will show which candidates are involved and how far they are in the process.
We will present you the candidates as soon as we have found them and made sure they are qualified.
There will be opportunities to adjust the parameters of the search as you see fit.
You will fill the vacancy as fast as possible.