aero naughtical engineers with drone design experience

We have decided to design and build our own commercial drones as we feel that we a specific design that will deliver endurance and capabilities for the firm. we have a good budget and the drones iwll be built using all composites materials. we have also selected the type and size of the engines. Start November 2016 either a fixed hourly rate or a 6 month contract for a set amount is workable with us. it must be noted that all milestones must be met