Are you looking for a fishing guide or a guide of another type?
I don't believe there are any fishing guides out of Bullfrog. In the past we were able to have a guide from Wahweap meet us on the lake at our HB camping spot for a day of guided fishing. Our specific request was to fish the San Juan, and that was within the guides territory. As we planned to camp on the San Juan it wasn't too hard to agree to a meeting spot. Once we got parked we called the guide a day or 2 before our scheduled trip and confirmed our exact location for pick up