
4a Group is a technology company focused on sustainable mobility, communication, and vehicle safety. They leverage deep expertise in materials, lightweight construction, and mechatronics, supported by proprietary simulation, testing, and sensor technologies. The company operates across four key business areas: 4a manufacturing, 4active systems, 4a engineering, and 4airis. Their offerings include advanced acoustic sandwich materials (CIMERA®), thin foam sheets (MILLIFOAM®), antenna radome solutions, active safety robots and ADAS targets for automotive testing, mechanical testing systems, material testing services, battery testing and simulation, and LiDAR and AI solutions for infrastructure. 4a Group emphasizes customer orientation, team spirit, advanced technologies, and high-quality outcomes, aiming to be a leading competence partner in their chosen technology fields.

4a Group is a technology company focused on sustainable mobility, communication, and vehicle safety. They leverage deep expertise in materials, lightweight construction, and mechatronics, supported by proprietary simulation, testing, and sensor technologies. The company operates across four key business areas: 4a manufacturing, 4active systems, 4a engineering, and 4airis. Their offerings include advanced acoustic sandwich materials (CIMERA®), thin foam sheets (MILLIFOAM®), antenna radome solutions, active safety robots and ADAS targets for automotive testing, mechanical testing systems, material testing services, battery testing and simulation, and LiDAR and AI solutions for infrastructure. 4a Group emphasizes customer orientation, team spirit, advanced technologies, and high-quality outcomes, aiming to be a leading competence partner in their chosen technology fields.