Here is their reponse: 'The serial number should be located on the riser towards the bottom cup. I need the serial number for two primary reasons: (1) for insurance purposes, and (2) for reporting to law enforcement should the bow be stolen. Type 'into the address bar of your browser, or do a Web search for 'Mathews Inc.' My problem is that I cannot find a serial number for the bow anywhere on the bow. Welcome to the Bowtech Archery customer service center! Mathews Bow Serial Number Location Free.