Priesmeier & Bartsch GbR

Priesmeier & Bartsch GbR develops and sells smart security products under the brand SiPRi, ranging from bicycle locks with integrated 120-decibel alarms and RFID protection to personal alarms and safes. The company sells directly to consumers (D2C) without intermediaries, offering its products at fair terms in Germany, Austria and Switzerland. More than 10,000 customers have bought from the brand.

The range spans several product categories: alarm bicycle locks with acoustic alerting, RFID shielding against contactless fraud, personal alarm devices and safes for valuables. Work across these lines touches lock and safe technology, security engineering, electronics and smart-home security products.

The company is a small founding team consisting of a publicly sworn expert for locking technology and an entrepreneur. The locking-technology expert has more than 40 years of practice and co-develops the product line. SiPRi positions itself around security products that work in everyday use rather than only under laboratory conditions, stating an aim to be the most honest security brand rather than the largest.

Industry focus covers security, retail and e-commerce, bicycle and theft protection, valuables protection and consumer/personal safety.