Every single thing you see on-screen came out of somebody's creativity. It doesn't exist. Nature didn't deliver it to us. Everything had to be dreamed.
A good many young writers make the mistake of enclosing a stamped, self-addressed envelope, big enough for the manuscript to come back in. This is too much of a temptation to the editor.
In my job I meet many outstanding, world class, British based companies. But we need more companies and more jobs in the companies we have.