Skytrax is a United Kingdom-based consultancy, the public face of Inflight Research Services, which has one of the largest airline and airport review and ranking site. It conducts research for commercial airlines. It carries out international-traveller surveys to find the best cabin staff, airport, airline, airline lounge, in-flight entertainment, on-board catering, and several other elements of air travel. Apart from these surveys, Skytrax has an airline forum where passengers give other potential passengers the feel of an airline before choosing to fly with them. They also have flight reviews, flight checks, and satisfaction surveys. Skytrax is best known for their annual World Airline Awards and World Airport Awards. as well as the ranking for airlines and airports.
Inflight Research Services' research has been used by the UK government in formulating air-transport policy, for example in the UK House of Lords Select Committee on Science and Technology's Fifth Report.
Skytrax is under investigation by the UK Advertising Standards Authority over the authenticity of its reviews, and ratings system for airlines.