Ouraring, Inc.

Ouraring, Inc., commonly known as Oura, is a health technology company co-founded in 2013 by Petteri Lahtela, Kari Kivelä, and Markku Koskela. While its headquarters and major manufacturing facilities are in Oulu, Finland, it also has offices in Helsinki, Finland, and San Francisco, United States. Oura is a privately held company, though it was in IPO registration as of May 2026. The company had approximately 900-1,410 employees as of May 2026. Its estimated annual revenue reached $1 billion in 2025, with a valuation of approximately $11 billion.

Oura's primary product is the Oura Ring, a smart ring designed to track various health metrics such as sleep quality, activity, heart rate, body temperature, and respiratory rate. The ring uses infrared LEDs and temperature sensors to collect biometric data, which is then transmitted wirelessly to a smartphone app for personalized health insights and guidance. Oura also offers an enterprise platform for organizations and accessories like charging cases.

Ouraring, Inc. primarily acts as a plaintiff in patent litigation, with one tracked case. In 2024, Ouraring, Inc. filed suit against RingConn LLC in the U.S. District Court for the District of Delaware. This indicates an active posture in asserting its intellectual property.