This company is also listed on : Wikipedia

Official website :
Address of the “security” branch : Audio Technology Switzerland S.A., Ch. de l’Orio 30A, CH – 1032 Romanel, Switzerland
Email :

Legal status : Nagra is a brand of the company Audio Technology Switzerland, based in Switzerland. The Nagra brand started in 1951.
Clients : Law enforcement agencies and governmental agencies, according to the contact page of their “security” branch.
Products : Audio surveillance devices. As shown in an article we published, Nagra markets an audio surveillance device disguised as a credit card, and supplied it to the french government. According to the article on which our article is based, “Nagra keeps this side of its business as low key as possible, and does not distribute copies of its catalogue of products for the security services“.