Brown, Boveri & Cie. was a Swiss group of electrical engineering companies. It was founded in Baden bei Zürich, in 1891 by Charles Eugene Lancelot Brown and Walter Boveri who worked at the Maschinenfabrik Oerlikon. In 1970 BBC took over the Maschinenfabrik Oerlikon and in 1988 it merged with ASEA to form ABB.

Baden, sometimes unofficially, to distinguish it from other Badens, called Baden bei Zürich or Baden im Aargau, is a town and a municipality in Switzerland. It is the main town or seat of the district of Baden in the canton of Aargau. Located 25 km (16 mi) northwest of Zürich in the Limmat Valley mainly on the western side of the river Limmat, its mineral hot springs have been famed since at least the Roman era. Its official language is German, but the main spoken language is the local Alemannic Swiss-German dialect. As of 2018 the town had a population of over 19,000.