The core activity of Lienert.ch AG is the provision of IT and internet services, particularly in the areas of: * Web development and design (websites, e-commerce, content management systems such as Wordpress and TYPO3) * IT service and support (hardware and software, domain hosting, cloud services, Microsoft 365) * Consulting and support for SMEs (small and medium-sized enterprises) in the areas of IT, e-commerce and online marketing * Open-source solutions and support The company also offers additional services such as accounting, financial intermediation, brand and trademark protection, but these are not part of the core activity.