All for One Group SE, together with its subsidiaries, engages in the SAP transformations and cloud business in Germany, Austria, Switzerland, Poland, Luxembourg, and internationally. The company operates in two segments, CORE and LOB. It offers enterprise resource planning and collaboration software solutions based on SAP, Microsoft, and IBM, as well as consulting and infrastructure services. The company also sells software licenses; and provides IT services, including cloud contracts, outsourcing and managed services, software maintenance agreements, software implementation and optimization projects, management and technology consulting, and training. It serves mechanical and plant engineering, automotive, life sciences, electrical, plastics processing, metal processing, wholesale, and professional services industries. The company was founded in 1959 and is based in Filderstadt, Germany. As of October 14, 2026, All for One Group SE operates as a subsidiary of VINCI Energies SA.