SEFA AG was founded in 1972 and Hemar AG in 1982. They joined the Hemargroup in 2010 and founded it. The well-founded know-how in electronics production enables a steady and solid growth. Hemargroup integrates in-house production with engineering and development as well as customer service and support for electronic components. Hemargroup meets every challenge in the field of electronics, from the idea, small series or prototype to mass production. We offer 360° assistance to entrepreneurs, start-ups and companies in the development of their electronic projects.