The core activity of Contario is to provide accounting and personnel administration services to companies, particularly small and medium-sized enterprises (SMEs). This includes, among other things: Accounting: taking over tasks such as bookkeeping, invoicing, payment receipt control, annual and interim financial statements; Personnel administration: supporting administrative tasks such as time tracking, payroll accounting, salary payments, social insurance and personnel management. The company offers these services as an outsourcing solution to help companies simplify and optimize their processes.