Custom Interactions is the Data Driven UX Design company for the German market that supports their customers in designing products with great usability and leading user experience. Custom Interactions is based in Darmstadt and Bonn and is very experienced in the field of industrial and automotive UX. Our renowned customers are often market leaders in their areas and we are happy to support them in the development of the next leading edge solutions. Due to the extensive experience in the field of medical device usability engineering and testing, Custom Interactions established the brand Custom Medical in 2017 to support manufacturers of active medical devices in the field of usability engineering. (For more information see www.custom-medical.com ) To be able to improve the support for our customers further, Custom Medical built a strong partnership with the medical device experts: 4 specialized companies, based in Darmstadt, Germany, that are able to cover all steps of medical device development. From interface design, usability engineering and testing to software development for medical software and apps (BAYOOMED), hardware development and embedded software (Mechatronic AG) to hardware design (Puls). (for more information see www.medical-device.expert ) The user research team of Custom Interactions and Custom Medical support their customers with high quality research (formative and summative) and deep customer insights. Our award-winning interface designers translate this knowledge into intuitive, easy to use and stunning user interfaces. You are looking for a partner in the field of usability engineering and testing or user experience? We are happy to share our experience with you!