To use our Online Service to access your accounts you need to register. If you need to help a family member or friend with using their accounts please visit www.familybuildingsociety.co.uk/help-with-finances After a limited number of failed log-in attempts your access will be locked. If you’re not sure of your log-in details, please use one of the links above. Our Online Support team is available on 03300 243406 Monday to Friday 9am - 5:30pm, closed at weekends and Bank Holidays.