gategroup is the parent company for 10 brands that provide services to the travel industry, including catering, hospitality, provisioning and logistics. Its head office is at Zürich Airport. Prominent services include flight catering, airport services and lounge operation. In 2009 gategroup won a contract to operate the SkyTeam alliances lounge at London Heathrow Airport. gategroup styles itself as the "leading independent global provider of products and services related to a passengers onboard experience" and offers its services via a portfolio of 10 brands. gategroup has its roots in Swissair catering, from which now-subsidiary Gate Gourmet emerged in 1992. Through a series of mergers and acquisitions gategroup has grown into a multibillion-dollar operation. Acquisitions include Aero-Chef, SAS Service Partner, VARIG Kitchens, British Airways Kitchens and Iber-Swiss.