The core activity of Marrache SA is to provide services to companies, particularly in the following areas: Telecommunications (IP telephony, virtual telephone systems), Human Resources (resource management, personnel administration, payroll management), Finance (accounting, controlling, ERP systems), IT (IT infrastructure, data backup, hardware and software installation), Contract Management (contract negotiation, contract management), and Training and Development (corporate training, employee development). The company thus offers a wide range of services to support companies in their organization and development.