Plans for 2 seperate buildings on one lot

I am looking for a skilled professional to help me with plans for two separate buildings located on one lot. The purpose of these buildings are residential and they both need to be large; more than 2000 sq ft each. Although I have some ideas for the design, I'm open to suggestions from the professional working on this project. I'm confident that through their experience and expertise that they can provide me with the plans that I need.