I just returned from a 12 day trip to Bhutan organized by Wind Horse Tours. I cannot recommend them enough. The pre trip communication was excellent, and our guide Sonam and driver (also Sonam!) were fabulous. The roads are treacherous in many places and the driver’s skill gave me much needed confidence. Sonam the guide’s knowledge was extensive and he was a friendly outgoing person with a sense of humor. He went the extra mile when one of our party was sick, going to his room late in the evening to personally administer an herbal treatment, which our friend found very helpful. When he found out that I was into trees, he went out of his way to help me learn the different types of local trees, and took me on a nonscheduled stop to the post office to get a particular stamp with trees on it that I had been searching for.
The hotels were decent as was the food – we had been told to expect 3 star level hotels and food and that’s what we got. There are a lot of tour companies offering tours of Bhutan, but I don’t think you can go wrong with Wind Horse. Bob