For towing my Land Rover or Range Rover I have an Ifor CT177 which is twin axle with a very low bed. Towed this all over the place with either a P38 or a Disco 2 on the back and haven't had any issues. Very comfortable to tow.
My brother, who moves vehicles commercially, uses a twin axle which has a very high bed towed by a Nissan Cabstar crew cab to avoid the Operators Licence issue. He sometimes borrows my trailer when he doesn't need the load capacity on his trailer. (His trailer is long enough to take 2 cars.)