Important notice: To use our Online service for your accounts you’ll need to register. If you need to assist a family member or a friend with the operation of their accounts please go to www.familybuildingsociety/help-with-finances to see what your options are. (Please note, you have a limited number of login attempts before your account is locked. If you’re not sure on your login details, please select one of the forgotten options below. If you have any questions before logging in, please contact our Online Support team on 03300 243406. Our phonelines are open Monday to Friday: 8am - 5:30pm; Saturday: 9am - 12pm, excluding Bank Holidays.)