Protection against sabotage: Arcos closes €5.5 million seed round.

Munich, 18 September 2026 — Arcos has closed a €5.5 million seed financing round. Behind it stands not only private capital but, in part, the public sector itself: the round includes High-Tech Gründerfonds (HTGF), whose investors include the German Federal Ministry for Economic Affairs and Energy and KfW Capital, as well as Bayern Kapital, Pact, Haufe and Robin Capital and strategic business angels. Their mandate is stated explicitly: a civil security provider that is fully operational from day one and makes the difference through modern technology.

• Arcos has closed a €5.5 million seed financing round. Investors include HTGF, Bayern Kapital, Pact, Haufe, Robin Capital and strategic business angels.
• The Munich-based company combines infrastructure, signal processing and the operational handling of security incidents in one integrated infrastructure.
• Arcos will use the capital to grow its team, expand its product portfolio and focus initially on applications in critical infrastructure.

Why now.

The security industry is facing an unprecedented shift: in homes, commercial properties, railway stations, substations and data centers, sensors are being rolled out on a scale that did not exist before. At the same time, fewer and fewer staff are available. Sensors detect that something is happening. What matters is how quickly and reliably that turns into concrete action.

What was considered a worst-case scenario for years has become everyday reality: attacks on substations, burning cable ducts along railway lines, drones over airports and industrial sites. Attacks on infrastructure that nobody watches around the clock succeed because nobody is looking. A structural shift at this pace can only be managed with new technology.

One security infrastructure instead of separate parts.

Arcos builds and operates this infrastructure from start to finish: every signal from every connected source is understood, every decision is made in one place, every incident is handled through to closure, every step is documented. People decide on escalations, where judgment counts. Our infrastructure replaces the collection of separate systems that operators make do with today.

At Arcos, none of this is outsourced. Whoever operates a control center themselves knows what really happens at three in the morning. Whoever builds the software for it themselves changes it the next morning. Users, operators and developers are the same people: what is missing in operations is built in the same place, not requested from a vendor. This way, the system gets better with every site connected to it (Aufschaltung) instead of more complicated with every extension.

It is built for breadth, not for the special case. The same control center, the same software, the same processes serve the home, the commercial property, the construction site and the critical facility. What applies to one site applies to all. This is how solutions emerge as fast as the threat situation demands.

Next steps.

With a qualified team built, Arcos is well positioned operationally. With the financing, the company is expanding its team in Germany, extending its platform and preparing to scale in the critical infrastructure market. As a next step, Arcos aims to enter further European markets.

Arcos will be present at Security Essen, the industry’s leading trade fair, from 22 to 25 September 2026. On 25 September, Louis Wübben will speak at the fair’s KRITIS forum on critical infrastructure.

“This industry helps decide whether the country functions, and it is changing faster than ever before. More sensors, fewer people. What is missing is someone who looks. That is exactly what we are building with our technology and the offering of a full-service provider.”

Louis Wübben, Founder and Managing Director of Arcos

“We combine signal processing and the operational process in one system. As a result, we see immediately in daily operations where workflows need to improve, and we can implement those improvements ourselves.”

Moritz Steigerwald, Founder and Managing Director of Arcos

“Protecting critical infrastructure is a central task of our time. With Arcos, we are backing an outstanding team that will shape this rapidly growing market, while strengthening Europe’s security and technological sovereignty.”

Sebastian Borek, Managing Director of HTGF

About Arcos.

Arcos is a civil security provider. Arcos builds and operates civil security end to end: from the highly secured infrastructure where the signals converge to the technology it runs on. Our ambition is that what our societies depend on never goes unprotected. Arcos is based in Munich. Its investors include High-Tech Gründerfonds (HTGF), Bayern Kapital, Pact, Haufe and Robin Capital as well as strategic business angels.

Press contact.

Louis Wübben, Founder and Managing Director · louis@arcos.eu · arcos.eu