Defunct companies of Switzerland

Swiss company supplying cryptographic equipment

Adolph Saurer AG was a Swiss manufacturer of embroidery and textile machines, trucks and buses under the Saurer and Berna (beginning in 1929) brand names. Based in Arbon, Switzerland, the firm was active between 1903 and 1982. Their vehicles were widely used across mainland Europe, particularly in the interwar period.

Xstrata plc was an Anglo-Swiss multinational mining company headquartered in Zug, Switzerland and with its registered office in London, United Kingdom. It was a major producer of coal (and the world's largest exporter of thermal coal), copper, nickel, primary vanadium and zinc and the world's largest producer of ferrochrome. It had operations in 19 countries across Africa, Asia, Australasia, Europe, North America and South America.

Swiss chocolate factory

ST-Ericsson was a multinational manufacturer of wireless products and semiconductors, supplying to mobile device manufacturers. ST-Ericsson was a 50/50 joint venture of Ericsson and STMicroelectronics established on 3 February 2009 and dissolved 2 August 2013. Headquartered in Geneva, Switzerland, it was a fabless company, outsourcing semiconductor manufacturing to foundry companies.

Serono was a biotechnology company headquartered in Geneva, Switzerland. It was acquired by the German pharmaceutical company Merck in 2006. The company was founded as the Serono Pharmacological Institute by Cesare Serono in 1906 in Rome, Italy. Serono was incorporated in 1987 and the holding company, Ares-Serono S.A., changed its name to Serono S.A. in May 2000, the same year that its CEO, Ernesto Bertarelli, led a listing on the New York Stock Exchange.

Swiss sports marketing company

Swiss electrical engineering company (1918–1988)

Danzas was an international transport company with headquarters in Basel, Switzerland. Founded in 1806 in Saint-Louis (Alsace) and named after Louis Danzas (1788–1862) when he took over the company in 1840, the firm became a major player in international freight and logistics until its acquisition by Deutsche Post in 1999 (now known as DHL Global Forwarding).

factory building in Münchenstein in the canton of Basel-Landschaft, Switzerland

former arms manufacturer in Switzerland

former Swiss state postal enterprise

Qualiflyer was a frequent-flyer program and, to some extent, an airline alliance created in April 1992 by Austrian Airlines, Crossair and Swissair. When Swissair began acquiring stakes in other European airlines in 1998, Qualiflyer was extended to become their frequent flyer programs as well. This spawned the alliance known as The Qualiflyer Group. With the failure of Swissair in 2002, the group dissolved along with the program and a company was formed to give each former member airline an individual frequent-flyer program.