Threema OnPrem is the self-hosted messaging solution for organizations that require maximum security. The combination of Threema’s well-established security architecture and total data ownership results in a self-contained chat environment that is unparalleled in terms of confidentiality and is suitable for professional use in banks, government agencies, and industrial companies. NOTE: In order to use this app, Threema OnPrem must be set up on your company server. More information: threema.ch/onprem Threema OnPrem is not available for private users.