Spark

Spark belongs to Envista Holdings Corporation through Ormco Corporation. Spark is owned by Envista Holdings Corporation, headquartered in the United States. Yes. The ultimate owner of Spark, Envista Holdings Corporation, is headquartered in the United States.

Readdle is a privately held Ukrainian mobile application development company specializing in productivity apps. Founded in 2007, it has developed several popular applications, including Spark, PDF Expert, and Scanner Pro. The company operates globally, with research and development based in Odesa, Ukraine, and a remote office in San Francisco, California. Readdle has achieved over 200 million downloads and has been recognized with multiple awards from Apple. The company remains independent, having never raised external funding. As of 2025, Readdle continues to develop and support Spark, maintaining its position as the ultimate owner of the brand.