Maestro PMS Integration with HelloShift Brings Seamless Guest Messaging and Comprehensive Hotel Operations Integration partnership brings a Guest Messaging Solution that is simple and intuitive for staff and guests to use share this article 1 min MARKHAM, ONTARIO - Following the impact of the pandemic, hotel guest service and communication is more virtual than ever. The new integration partnership between Maestro PMS and HelloShift brings their mutual clients a Guest Messaging Solution that is simple and intuitive for staff and guests to use. In addition, because HelloShift’s unique messaging platform includes comprehensive hotel operations software, no guest request slips through the cracks.