DefenseSeries C+
HQ
Gilching, Germany
Founded
2015
Employees
201-1,000
Total Raised
$1.1B
Last Round
Series C+
Last Round Date
Nov 2025
Founders
Florian Seibel, Michael Kriegel, Tobias Kloss, Armin Busse
Quantum Systems is a defense company based in Gilching, Germany, founded 2015. The company is at the Series C+ stage, having raised $1.1B, with 201-1,000 employees.