Need quote for a full bathroom remodel - Remodelar bano completo

I need to remodel my bathroom. I moved into the house about 12 years ago in the bathroom is deteriorating. See attached pictures. Bathroom is approximately 11 x 5. Please send me total information if you have samples of your work and references that would help as well I’m located not far from downtown Pomona. Hablo Espanol. Looking for high end quality work.
I would need the following information:
How long will it take?
Total and final price
Sample of contract for the work to be done
I have consultants therefore if your price is not
Reasonable bid will not be considered

Thank you for your time