I work for AVAST, I am the main localizer and IT translator for their IT products and the updates to their website, If you can provide an email address, I can send to you the recommendation letter from AVAST.
I also handle the hardware and software translation for the PlayStation®4 user manuals such as BT LED DISPLAY, Hercules_LED_Wristbands, TM_Rally_Wheel_Add-on_Sparco_R383_Mod, TS-XW RACER Sparco P310 Competition Mod (Thrustmaster- Sparco) for Xbox One and PCs, etc.