BAR Informatik AG provides online services and customer support through its website and client portal. Its offerings cover the practical needs of businesses and individuals managing domains, websites, and communications. Customers can register or transfer domain names, order web server hosting, and choose mail server hosting.

The company also offers SSL certificates, SMS services, and software licenses, alongside various other services. A shop and customer portal provide access to ordering and account-related functions, while support resources include a knowledge base, service status information, and contact options. The website also provides webmail access in several languages, including German, English, French, and Italian.

BAR Informatik AG publishes service announcements, including notices about maintenance affecting internet and television connections carried over fibre networks. These updates outline planned work, timing, and potential service impacts. With domain services, hosting, email, security certificates, and support information gathered in one place, BAR Informatik AG serves customers looking for a range of internet and IT-related services