Businesses that allow members to have greater control over their super investments are not doing enough to monitor for high fees, the corporate watchdog says.

An analysis has bluntly concluded the platforms are “not doing enough to protect members” even after the $1 billion failure of Shield and First Guardian.

Businesses that allow members to have greater control over their super investments are not doing enough to monitor for high fees, the corporate watchdog says.

The corporate watchdog is concerned that super trustees that manage Australians' retirement savings have a lack of safeguards in place.