operate from

operate from something

to work out of something or some place. I'm in business for myself. I operate from my home. We operate from a garage in the back of City Hall.
See also: operate
References in classic literature ?
Remember, also, that the surgeon must operate from above, some eight or ten feet intervening between him and his subject, and that subject almost hidden in a discolored, rolling, and oftentimes tumultuous and bursting sea.