Computer Forensics Expert Witness Fees Excerpted from the SEAK National Guide to Expert Witness Fees and Billing Procedures   Trial testimony hourly fee high: $400 Trial testimony hourly fee low: $250 Trial testimony hourly fee average: $333 Trial testimony hourly fee median: $350 File review/prep hourly fee high: $350 File review/prep hourly fee low: $200 File review/prep hourly fee… read more