Translation of mission in German

Thanks for the advice but I know this web site. I'm always open to suggestions. Tell me how can I help you with the correct form of words. This is very important owing to the feedback.
The name of the agency was Handspan and they were the first ones in the country that worked under ISO 9001:2000 quality management. That was pretty convincing especially after our horrible experience the day earlier.
We stood there in the middle of the night in the middle of nowhere not exactly knowing what to do next and where we arrived. We had to look for a place to sleep. The village did not have any paved streets.