Quantum Systems
Quantum Systems is a German defense technology company that builds unmanned systems for military and security applications, with $2 billion in funding and 695 employees. The company develops integrated hardware, software, and AI solutions for air, ground, and sea operations.
The growth story
Quantum Systems grew from 67 to 695 employees between 2021 and 2026, raising $2.0B along the way, most recently a Series D in July 2026.
About
Quantum Systems creates unmanned systems used by armed forces, security agencies, and critical infrastructure operators for situational awareness and rapid decision-making. The company develops all core technologies in-house, including platforms, mission software, and AI-driven analytics.
The company has raised $2 billion in funding, with its Series D round closing in July 2026. Its investor base includes major defense and aerospace players like Airbus Defence & Space and Airbus Ventures, alongside venture capital firms such as Balderton Capital and Advent International.
Founders and leadership
Engineering is the largest function at Quantum Systems, with 125 employees. The company is headquartered in Gilching, Bavaria, and operates globally. Leadership spans technology development, production, and scaling of integrated solutions.
The Quantum Systems org chart
Florian Seibel (Co-Founder, Co-CEO) leads 60 mapped leaders with 4 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Engineering 210 (+88% YoY), Operations 94 (+71% YoY), Information Technology 68 (+62% YoY), Business Development 35 (+59% YoY), Program and Project Management 28 (+33% YoY), Human Resources 28 (+100% YoY).
Talent flow
Quantum Systems recruits heavily from German automotive and aerospace companies, with BMW, FERNRIDE, and Lilium being top talent sources. Alumni frequently move to other defense and drone technology companies, including Anduril Industries and Helsing.
Most common previous employers of Quantum Systems staff: BMW (18), FERNRIDE (14), Lilium (13), Technical University of Munich (12), Bundeswehr (German Federal Armed Forces) (10), Siemens (8). Former Quantum Systems employees most often moved to OroraTech (4), Alpine Eagle (3), DroneAid Collective (3), Anduril Industries (3), Siemens Energy (2), Helsing (2).
Alumni worth knowing
The Quantum Systems mafia
Quantum Systems alumni have founded six companies, including Alpine Eagle and DroneAid Collective, which focus on drone technology and defense applications. These startups collectively employ 73 people.
6Jan-Hendrik Boelens, was Chief Technology Officer until 2023German Stelmakh, was Flight Control R&D until 2023Daniel Spitze, was Hardware Development working student until 2025Wim Hurst, was Intern until 2018Mykhailo Tkachenko, was R&D Engineer until 2025Otto Oertel, was Intern UAV-Engineer until 2018Hiring now
Web traffic
Traffic mix: 27% direct, 42% search, 20% social, 0% paid.
What this company is made of
Most common skills at Quantum Systems: Project Management (188), Microsoft Office (184), Python (Programming Language) (141), English (137), Communication (125), Microsoft Excel (121), Leadership (121), Teamwork (118).
Where the team actually sits
Quantum Systems people are concentrated in Bavaria, Germany (195), Greater Munich Metropolitan Area (54), Germany (49), California, United States (34). 4 offices on record.
Search footprint
Quantum Systems attracts about 1,571 organic search visits a month, traffic worth roughly $4K a month if bought through ads. It gained 315 ranking keywords and lost 152 in the last period.
What employees say
- Compensation
- 4.10 / 5
- Career opportunities
- 4.20 / 5
- Senior management
- 4.00 / 5
- Work-life balance
- 4.10 / 5
Frequently asked
Quantum Systems has 695 employees as of September 2026.
Quantum Systems has raised $2.0B in total, most recently a Series D round in July 2026.
Quantum Systems was founded in 2015 by Florian Seibel.
Florian Seibel (Co-Founder, Co-CEO) sits at the top of Quantum Systems's reporting structure, with 4 direct reports.
The most common previous employers of current Quantum Systems staff are BMW (18 people), FERNRIDE (14 people), Lilium (13 people).
Former Quantum Systems employees most often move to OroraTech (4), Alpine Eagle (3), DroneAid Collective (3).
At least 6 companies have a founder who previously worked at Quantum Systems, including Alpine Eagle, DroneAid Collective, Hefex Labs.
Quantum Systems attracts about 1,571 organic search visits a month, worth roughly $4K a month in equivalent ad spend.
The most common skills among Quantum Systems staff are Project Management, Microsoft Office, Python (Programming Language), English, Communication.
Quantum Systems staff are concentrated in Bavaria, Germany (195), Greater Munich Metropolitan Area (54), Germany (49).
Quantum Systems has about 210 people in Engineering, up 88% over the past year, as of September 2026.
Quantum Systems has about 94 people in Operations, up 71% over the past year, as of September 2026.
Computed from 439 current and 191 former Quantum Systems profiles, as of September 2026. Source: Crustdata.
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