The Commonwealth Bank experienced system problems on Friday morning with some customers unable to access mobile banking and other online services.

The bank acknowledged the problem in tweets from its official account and said it was working to restore services as soon as possible.

CBA confirmed it was looking into a systems issue on Friday. Credit:Bradley Kanaris

Customers around the country began to report problems around 8am Sydney time.

A spokesman for the bank said services have been restored and apologised for the inconvenience.