About Promys CRM Help Desk PSA Software: Best reviewed CRM, Help Desk & PSA business software solutions for IT/MSP, Physical Security & Audio Visual solution providers. Promys is easy to use & implement and scales from ten to hundreds of users. Re-written from scratch in the latest cloud technology, Promys improves employee productivity by linking data between sales, help desk, time & billing, job costing, support contracts, managed services and project management. Very robust reporting.