# Stefan Tietze

> Stefan Tietze is a pre-seed investor in Berlin backing Software, Internet and Compliance. See 7 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Location: Berlin, Germany
- Total investments: 7
- Last investment: Jan 2026
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/stefan-tietze-b1b36a73/?originalSubdomain=de

Stefan Tietze is a founder of gebraucht.de.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $1.1M–$3.3M |
| Pre-Seed | $1.1M–$3.5M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 4 | 57% |
| Internet | 2 | 29% |
| Compliance | 2 | 29% |
| Service Industry | 2 | 29% |
| Information Technology | 2 | 29% |

18 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Pre-Seed | 3 | 43% |
| Seed | 2 | 29% |
| Angel | 1 | 14% |
| Series A | 1 | 14% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Germany | 6 | 86% |
| France | 1 | 14% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| SEAL Robotics | SEAL Robotics builds modular robots that deliver reliability, safety, and traceability to dock operations, leveraging advanced automation, intelligent control systems, and flexible modular designs to improve efficiency, reduce operational risks, and enable transparent, data-driven management across port and logistics environments. | $2.1M | Pre-Seed | Jan 29, 2026 |  |
| Hyperdrives | Hyperdrives is a deep-tech engineering company that specializes in super-efficient, highly power-dense, and yet low-cost electric drive systems. | $3.5M | Pre-Seed | Sep 01, 2025 |  |
| FINDIQ | FINDIQ is a young company based in the heart of the Ostwestfalen-Lippe industrial zone. We have developed a novel strategy as a software producer to intelligently integrate knowledge management and help solutions for machine service. FINDIQ develops its service solution with the industry, whether for machine makers, operators, or service providers. | $1.1M | Pre-Seed | Jun 27, 2023 |  |
| heyData | heyData is a legal tech company. HeyData offers a digitized data protection officer for companies. | $3.3M | Seed | Sep 13, 2022 |  |
| Lumiform | Lumiform is a specialized software for frontline teams to run inspections, audits and checklists at scale across distributed operations. Customers are mid-size and large companies such as multi-site retailers, restaurant chains, logistics fleets, warehouse operators, construction businesses and manufacturers with several plants. They all face thesame challenge: keeping standards consistently high across teams no manager can oversee in person. Lumiform lets teams build digital forms around their standards, capture data on mobile even offline, and resolve identified issues fast. Data turns into instant audit-proof reports and in-depth analytics. It's powerful enough to map the most complex requirements, yet simple to adopt in days. With Lumiform, organizations achieve measurable. improvements in quality, safety and efficiency. Companies like EDEKA, AmRest, Virgin Media and even testing, inspection and certification bodies rely on Lumiform. Rated 4.6 on G2, Lumiform is built in Europe, offering full data sovereignty and GDPR compliance. | $6.8M | Series A | Jun 01, 2022 |  |
| Jus Mundi | Building the global rule of law is everyone’s responsibility. Jus Mundi democratizes access to all legal resources thanks to a search engine that combines international legal expertise with artificial intelligence | $1.1M | Seed | Apr 01, 2020 |  |
| Superchat | Superchat provides AI-powered customer communication software that combines messaging, CRM, automation, team chat, analytics, and AI agents in one platform. It helps businesses manage customer conversations across multiple communication channels. |  | Angel |  |  |

7 of 7 investments shown.

## Co-investors
- [Auxxo](https://shizune.co/investors/profile/auxxo) — VC Fund, 2 deals together
- [First Momentum Ventures](https://shizune.co/investors/profile/first-momentum-ventures) — VC Fund, 2 deals together
- [2100 Ventures](https://shizune.co/investors/profile/2100-ventures) — VC Fund, 1 deal together
- [42CAP](https://shizune.co/investors/profile/42cap) — VC Fund, 1 deal together
- [Acequia Capital (AceCap)](https://shizune.co/investors/profile/acequia-capital) — VC Fund, 1 deal together
- [SDAC Ventures](https://shizune.co/investors/profile/bldrs) — VC Fund, 1 deal together

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## Featured in investor lists
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## FAQ

### What does Stefan Tietze invest in?

Stefan Tietze invests primarily in Software, Internet and Compliance startups, most often at Pre-Seed and Seed stage. Most of the 7 investments tracked by Shizune back companies in Germany. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Stefan Tietze's check size?

Stefan Tietze typically joins rounds of $1.1M–$3.3M at Seed and $1.1M–$3.5M at Pre-Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Stefan Tietze participates in.

### When did Stefan Tietze last invest?

The most recent investment recorded for Stefan Tietze closed in Jan 2026. Shizune tracks 7 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### 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 Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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