> I am looking to add my company name, slogan or logo into google maps,
> in one of map corners (better in bottom right corner).
If you want to.
You must NOT obscure Google's logo (bottom left) or the copyright
attribution (bottom right).
One way is to make a Custom Control, then you could also make it do
things when clicked - link to the company's homepage or whatever.
http://code.google.com/apis/maps/documentation/javascript/controls.html#CustomControls