Lets see I got my first king air 200 captain gig with around 2300hrs, 700 turbine, 1700 multi. I had been flying MU-2s and citation II, along with all the light twin engine a/c (Baron, Cessna 401/402/310). Also, most of my time was single pilot, except the citation. That was a 135 operation, with a ARGUS gold rating. Not sure if that helps. Also, something to think about is the fact that you only have 900hrs. You might be able to handle the aircraft, but think about the new destinations that will follow with the larger aircraft. Single pilot IFR in the mountains, during a snow storm, not the place for a low time pilot. Not the time to be getting that experience with passengers onboard. You might say "that will never happen to me I won't put my self in that position," well when your job is on the line and the boss is breathing down your neck to go go go; stuff happens. Just my two cents, but I don't know your skill level, I am just referencing me when I had 900hrs.Good luck