H55
Aviation and Aerospace Component ManufacturingValais, Switzerland51-200 Employees
H55 is a mid-sized aviation and aerospace component manufacturer based in Sion, Valais, Switzerland. It develops certified electric propulsion systems intended for aviation, emphasizing clean, quiet, safe, and affordable operation. Its customer focus is the aviation sector seeking electric propulsion solutions, addressing propulsion efficiency and environmental considerations. The company operates internationally through H55 Canada Inc., reflecting collaboration in North America. In April 2026, Safran Electrical & Power integrated with H55 Canada to enable the Safran ENGINeUS motor to be used with H55's propulsion system for the Bristell B23 Energic. Ongoing programs include the development of a 200 kWh energy storage system for the RTX Hybrid-Electric Flight Demonstrator, reflecting activity across multiple electric propulsion platforms.