and of that doesent work threaten that your going to take their names off the project and see where that gets ya. and if they dont care do that and say that you can find a new partner to do all your...
I personaly use "working at" in terms of a company name, for example I am working at Tesco's or I am working at Sky the phrase "working in" is used in the terms of what sort of job is, for example I...
He is working - tells us that he is at work right now. It makes no reference to the past. It only speaks of the present time.
He has been working - tells us that his work is ongoing from some point...