Hola Design in Warsaw should do everything you need. They design, make the project and offer possibility of cooperating with decent contractors, producers and distributors.
I'd recommend following the Polish lead here and getting a complete fit out and design package- turn-key package. I'd always try to follow the designer's advice. Some foreigners try to buy their own kitchens or materials but the Polish workmen will not be used to this . Except significant delays to the original finish date given even from good companies especially if it's a small job / apartment. Try to visit often and look like you know what you're talking about. Try to negotiate incentives for them to finish on time and penalties if they don't. Even in this case, except them to push the boundaries. If it's a 10% loss if they don't finish on time and they get a big job in then they may just take the hit and finish yours when they want to....
You should check on houzz.com. It's a predominantly US/UK site but there are a few contractors and designers now registered along with client reviews and photos of their work.
If anything, it's a great website for formulating your own design ideas.
If you need contact details to a very good team of builders who speak fluent English, PM me.
