System.One
VC Fund
Kreuzberg, Germany
System.One is a pre-seed venture capital fund. They are based in Berlin, but have a global mindset and reach. Their purpose is to invest in exceptional founders who combine early technical ideas with a bold mission and major potential impact. Pre-seed simply means They like to get in first – product and tech risk are core to what they do, not a problem they seek to eliminate.
- Total investments:
- 31
- Last investment:
- Lead investor:
- 16%
- Fund size:
- $9M
- Last fund:
Last updated:
For AI agents: llms.txt
Industries System.One invests in
Stages System.One invests in
Countries System.One invests in
Round sizes
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Round size
- Seed
- $1.5M–$13M
- Pre-Seed
- $855k–$4M
- Series A
- $12M–$18M
Investment Focus
Industry
- Software 9 (29%)
- Artificial Intelligence 8 (26%)
- SaaS 5 (16%)
- Machine Learning 4 (13%)
- Information Technology 4 (13%)
Stage
- Seed 15 (48%)
- Pre-Seed 9 (29%)
- Series A 2 (6%)
- Funding Round 2 (6%)
- Series B 1 (3%)
Country
- Germany 11 (35%)
- United States 6 (19%)
- United Kingdom 4 (13%)
- Finland 1 (3%)
- The Netherlands 1 (3%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
Maximilian Claussen
Founder and Partner
|
Founder and Partner | Total investments: 8 | Find email |
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Hop Aero develops hypersonic rocket cargo systems that provide rapid point-to-point delivery across long distances. The company focuses on rocket cargo vehicles designed to transport supplies to austere and contested locations within minutes. Its systems aim to support logistics operations that require fast response times and resilient supply chains. Hop Aero positions its technology as part of a broader physical internet concept, enabling high-speed movement of physical goods similar to data on the internet. The company targets users that need time-critical delivery capabilities in challenging operational environments. | $11M / Seed / Sep 30, 2026 | ||
| siliXon is an AI-powered PCB design tool that lets engineers create printed circuit boards using natural language—type what you want in plain English, and get a manufacturable PCB in minutes instead of months. | $1.5M / Pre-Seed / May 21, 2026 | ||
| Mondoo identifies, prioritizes, and addresses risks in your entire IT infrastructure from a single interface - covering on-prem, cloud, SaaS, and endpoints. Unlike siloed approaches, Mondoo enables you to quickly understand your most critical risks and initiate fast remediation, optimizing security efforts and boosting security posture. | $17.5M / Series A / Sep 30, 2025 | ||
| lemon.markets provide a REST API to support creating and executing orders at the stock market and retrieving market data. | $13M / Seed / Jul 11, 2024 | ||
| Self improving AI platform for information retrieval & discovery | $855K / Pre-Seed / Jan 23, 2024 | ||
| Deta provides developer API and cloud storage services. | $3.6M / Seed / Oct 10, 2023 | ||
| Martian Lawyers Club takes game personalization to the next level with the help pf generative AI. | $2.2M / Pre-Seed / Aug 31, 2023 | ||
| deepset builds the technology enterprises rely on to create custom, production-ready AI applications. We are the company behind Haystack, the leading open-source AI orchestration framework, and the deepset AI Platform for building mission-critical AI agents and applications. Since 2018, we’ve helped organizations such as Siemens, Airbus, TheEconomist, and the German Armed Forces bring the latest in large language models and NLP into real-world use, delivering proven open-source technology and enterprise-grade solutions adopted by thousands of AI teams worldwide. | $29.6M / Series B / Aug 09, 2023 | ||
| Levity is a software company that provides a no-code AI workflow automation platform. It enables non-technical people to build AI-powered workflow automation without code. The platform provides its users with AI blocks, which provide a modular set of capabilities that can be used to build out an application workflow. Levity combines naturallanguage processing (NLP) and computer vision in a single platform to automate many processes, including signing up, creating an AI Block, and receiving the first predictions in as little as five minutes.It was founded in 2020 and is based in Berlin, Germany. | $8.3M / Seed / Oct 12, 2022 | ||
| Flipt is an open source feature flag solution provider. It enables developers to use the on and off flags to toggle functionality in the application. It allows users to develop flags that represent the features in the applications. It includes audit logs, user management, and role based access control. | Pre-Seed / Sep 01, 2022 | ||
| See all 31 investments → | |||
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FAQ
What does System.One invest in?
System.One invests primarily in Software, Artificial Intelligence and SaaS startups, most often at Seed and Pre-Seed stage. Most of the 31 investments tracked by Shizune back companies in Germany. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What round sizes does System.One invest in?
System.One typically joins rounds of $1.5M–$13M at Seed, $855k–$4M at Pre-Seed and $12M–$18M at Series A. These are whole funding-round sizes, not System.One's own check, which is rarely disclosed: the 10th–90th percentile of the confirmed public funding rounds System.One took part in.
How do I contact System.One?
Public channels for System.One include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
Who are the partners at System.One?
The team at System.One includes Maximilian Claussen (Founder and Partner). The Team section lists each member with their title, investment count and links.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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