We stayed in the Ambassador for a summer week's walking (July 4th 2012) after being encouraged by the excellent reviews the place had already received. We were not disappointed. I suspect the staff were different to those resident during the winter skiing season, but the standard set by Paul the manager and the chef (ex. Chamonix) was very high. All the staff were friendly and helpful and the food was excellent. Breakfast consisted of the usual stuff with a cooked option, packed lunches (on 5 days) were substantial (honey soaked flapjack was particularly good) and the evening meals were all of a very high standard. The latter started with canapés and a free drink in the lounge, followed by three courses with free wine (2 red and 2 white to choose from) and the meal was concluded with coffee and cheese if you wanted it. The main courses included two meat/fish options and a vegetarian alternative. Between breakfast and the evening meal tea and coffee were available and afternoon tea was served from 4:30 to 5:30 during which freshly baked cake/biscuits/scones were available. Just the job to round off an active day's walking.
Rooms were ok with a balcony and plenty of room (easy chairs/settee). TV in the room had mostly foreign channels, but a television in the lounge provided all the main BBC options. So keeping up with the weather at home or the sport was straightforward. The location is on the outskirts of the village but close to the main street, so it was both quiet and easy to get into the main centre.
Gripes - not many. The carpet in our room was stained and looked in need of replacement. The downstairs lounge had dark carpets and dark curtains and would benefit from being lightened up a bit.
One thing to beware of is that the Ambassador is a British owned (Inghams) chalet hotel, which means your company for the week is likely to include only Brits. It is also run on the basis that you share meals with other people, there being only a few tables with just two places. The staff arrange it so that people mix who they share an evening meal with by allocating you a different table each evening, but it does mean that you have to socialize, which may not always be to everyone's liking. If you preference is for a quiet week, keeping yourself to yourself, a chalet hotel may not be for you.
Unlike most other hotels you are also expected to fend for yourself for one night of the week so that the catering staff have a night off. This means eating out in the village which can be an interesting and enjoyable experience there being many options to go for. But this is Switzerland and nothing is cheap (budget on at least £50 per couple to eat out). Balanced against the excellent value the hotel provides (free wine, lunches afternoon tae etc.) and the fact that recently Saas Fee have provided hotel guests with free lift and bus passes, this is a small price to pay.