CompreFace is a free face recognition service from Exadel that can be easily integrated into any system using simple REST API. CompreFace starts quickly with one docker command and could be used by any developer without prior machine learning skills. We use one of the most popular face recognition methods based on deep neural networks, and provide a convenient API for Face Collection training and face recognition. We also provide a convenient roles system with which you can easily control who has access to the Face Collection. Every user can create several Face Collections trained on different subsets of people. The benefits of CompreFace are: 1. Opensource code and fully on-premise (security of your data) 2. Fast start with one docker command 3. Can be set up and used without machine learning knowledge 4. CompreFace uses one of the most popular face recognition methods with high accuracy face-recognizing. The system shows sufficient accuracy even if only one example for each face is used. 5. UI panel with roles for access control