DATEV eG is the third-largest provider of business software in Germany (IDC Ranking 2023) and one of the leading IT service providers in Europe. Founded in 1966, the cooperative organization of the tax advisory profession generated revenue of approximately €1.65 billion in fiscal year 2025.

DATEV provides the foundation for digital collaboration between small and medium-sized enterprises (SMEs) and tax professionals through software solutions, cloud services, and extensive expertise.

Around 1 million customers work with DATEV solutions. This ecosystem is supported by more than 40,000 members from the tax advisory profession. DATEV currently employs more than 9,000 people.