It exists, but check the details carefully in advance... many providers will charge "per person, per hour".
A long time ago, at a friends bachelor party weekend in Atlantic City, we called an outcall service to get a couple girls (there were 4 of us). We were naive, none of us had ever called an escort service before, so we just figured we'd book them for an hour and take turns.
One girl immediately said "no way" and insisted the rate was per person, and that this was not going to be a tag-team event. We kept her for an hour, and set her on her way.
Her co-worker didnt really care... it was her first night of ever working as an escort, she didnt see the big deal, and she was more than happy to stay as long as we wanted. Kept her 5 hours... and oh that poor girl.... 4 guys who have been drinking all day, in our mid-20's, with a passably attractive girl who liked sex as much as we did. Rare find.
