Celtra's Creative Management Platform (CMP) is a cloud-based, self-service software for managing the entire creative lifecycle of digital advertising — improving advertising effectiveness while reducing operational costs. Celtra's Creative Management Platform (CMP) is a cloud-based, self-service software for managing the entire creative lifecycle of digital advertising — improving advertising effectiveness while reducing operational costs. Celtra's Creative Management Platform (CMP) is a cloud-based, self-service software for managing the entire creative lifecycle of digital advertising — improving advertising effectiveness while reducing operational costs. Celtra's Creative Management Platform (CMP) is a cloud-based, self-service software for managing the entire creative lifecycle of digital advertising — improving advertising effectiveness while reducing operational costs.