Large company, no, well established but quite small, some global offices. Sadly the company has not valued photography as well as it should have done for last 15 years or so. Things are slowly changing but each commission is disproportionately important as a result. This represents a fairly significant part of the photo budget for the year.
Contract, foolishly from the photographer there is no formal contract. Just acceptance of a job on agreed daily rate, no specifics detailed at all. No mention of file types etc. He has left himself totally unprotected, ultimately at the mercy of the morality of the company. Not really a clever move on his part. Usage rights are unlimited on payment.
We have not used the photos at all, if we decide not to pay we won't use them. As mentioned before I only have low res not suitable for use, just evaluation. I have a couple of full res images only. Again not used as yet, eval only.
Bridezilla, not really, just expect a good job, sure you would to in the situation.