The core activity of the company "Büro intern extern" is the provision of services in the field of office administration, including: Administration (e.g. offers, orders, invoices, correspondence), Accounting (e.g. debtors, creditors, financial accounting, payroll accounting), Communication (e.g. website, intranet, documentation, texts, advertising, circulars), and Organization (e.g. events, projects, appointments, meetings). The company offers these services as an external partner to other companies in order to support and relieve their office work.