Unfortunately we are unable to extend the time in which the system will log you out after inactivity, as this is a compulsory security measure.
Session expiry is incorporated into Creditsafe's system to safeguard users from session hijacking or cookie thefts. It's also to prevent people hopping onto your computer if you're away from your machine.
The requirement for users to login every 20 minutes of inactivity is for safeguarding the systems information and is required for Data Security.