Your Questions About Electric Cars Kits

I want to find a company that can put an electric engine ina kit car.?

I want to buy a kit car that has no engine and I want to find a company that I can hire to put an all elec engine in it. I am told that there are many but, upon searches I only find cos that sell kits for you to do it yourself. I see cars for sell that are completed so please do not write & say it can not be done as I have scene it and that is in no way an answer to the question.

how do attach a switch panel to an electric car?

well, i have to make an electric car and i found one on this website

http://www.miniscience.com/kits/CAR_ELEC/

i can make the car but i am also going to cover the inside (u no the batteries and wires,motor etc.)
so i want to attach a switch panel on the outside so i can on the car and make it go but make it stop when i want it to.