The core activity of Wittwer IT Services includes the provision of IT solutions and services, in particular: network management, including network security; cloud solutions; IT security; maintenance of network devices; Linux consulting; and sales of office supplies, toners, ink cartridges, printer accessories, and firewalls. Additionally, the company offers specific services such as MailStash (a secure email platform for SMEs and individuals) and SwissStash (a data storage solution for mobile and security-conscious individuals and companies).