Gutermann is the biggest rival of Hermann Sewerin. Gutermann was founded in 1948, and its headquarters is in Baar, Zug. Gutermann operates in the Computers, Peripherals, Networking and Electronic Equipment industry. Gutermann has 32 more employees than Hermann Sewerin.
Halma has been one of Hermann Sewerin's top competitors. Halma is a Public company that was founded in Bucks, England in 1894. Halma competes in the Safety equipments industry. Halma has 5,964 more employees vs. Hermann Sewerin.