escort site directory submition and some other off page work

HI, this is an escort site, site is already on google first page on for major keywords, its on 1position, 2nd position, 3rd position for different keywords. i want some one to do off page work on site so that it come to first position, explain what you will do to get this on first page. will escrow payment and will release once site is on first position. there are only 3 keywords, 1 is already on first position other 2 are on 3rd positions.