# Andre Retterath

> Andre Retterath is a seed investor at Earlybird Venture Capital backing Software. See 14 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Earlybird Venture Capital](https://shizune.co/investors/profile/earlybird-venture-capital)
- Location: Munich, Germany
- Total investments: 14
- Last investment: Jul 2025
- Lead investor: 86%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/andreretterath/

Andre Retterath is an early-stage investor with Earlybird Venture Capital focusing on “deep tech” companies utilising AI, Machine Intelligence and Data Analytics, alongside companies in Enterprise Software and DevTech. Before transitioning into VC in 2017, he gained more than 5 years experience as a process automation engineer and technologyconsultant with ThyssenKrupp and further insights as a management consultant with GE North America. In parallel to finding and supporting the most visionary and ambitious tech founders, Andre pursues a PhD in Entrepreneurial Finance at Technical University of Munich with focus on machine learning in VC. He holds a M.Sc. in Management and a B.Eng. in Mechatronics and was previously educated at Harvard University, University of Cambridge and Georgia Institute of Technology, among others.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 8 | 57% |
| Artificial Intelligence | 7 | 50% |
| Information Technology | 4 | 29% |
| SaaS | 2 | 14% |
| Computer | 1 | 7% |

25 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 10 | 71% |
| Series A | 2 | 14% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Germany | 4 | 29% |
| United Kingdom | 2 | 14% |
| France | 1 | 7% |
| Israel | 1 | 7% |
| Ireland | 1 | 7% |

6 countries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| TopK | TopK features native support for both vector search and keyword search in a single, unified system. With its powerful query expression language, TopK enables you to build reliable search applications (semantic search, RAG, multi-modal, you name it) without juggling multiple databases or services. Our unified retrieval engine will evolve tosupport document transformation, query understanding (parse metadata filters from user query), and adaptive ranking (provide more relevant results by sending “relevance feedback” back to TopK) under one roof. | $5.5M | Seed | Jul 01, 2025 |  |
| sintra.ai | Sintra builds easy-to-use AI digital assistants for small business owners to automate tasks in social media, sales, recruiting and more. | $17M | Seed | Jun 10, 2025 |  |
| SpAItial | SpAItial is a novel artificial intelligence paradigm that can create and reason about the physics and appearance of both imagined and real-world surroundings. | $13M | Seed | May 27, 2025 |  |
| Keel | Keel is a London-based startup offering modern businesses a much-needed third choice between off-the-shelf and no-code tools. Keel has developed a powerful programmable operations platform which offers all the benefits of bespoke tooling without the need to build from scratch.Keel was founded in 2022 by Benoit Machefer, Tom Frew and Jon Bretman,who directly experienced the frustration of being underserved by off-the-shelf software when scaling the fastest growing online pharmacy in Europe to over $130m revenue. The company represents a compelling vision of a future without legacy ERP, where ops teams and engineers work more closely together building bespoke tools on the robust and secure Keel platform. | $6M | Seed | Oct 22, 2024 |  |
| Ceartas DMCA | The world's most advanced copyright protection service for content creators! With Ceartas DMCA, you can easily monitor your content and manage your rights-lines. Our proprietary technology keeps you safe from copyright infringement, protecting you and the value of your creations with lightning-quick takedowns at a price to suit every need. | $4.5M | Seed | Apr 30, 2024 |  |
| Ctrl | Ctrl empowers sales and customer success professionals to combine data from different platforms to create their own custom workspaces. With Ctrl, learning everything about a customer and updating each platform with future steps and follow ups is super fast and easy, saving time and headaches on manual updates while never leaving a single customdashboard.Our vision is to eliminate data silos, making customer-facing work a lot simpler and more fun, and keeping your attention where it should be - your customers.Ctrl was established in 2021 in Tel Aviv, Israel. | $9M | Seed | Apr 27, 2023 |  |
| EthonAI | EthonAI addresses this problem by developing an AI-powered platform that detects and prevents quality defects in manufacturing. The ETH Zurich spin-off is on a mission to make AI more accessible to factory operators and engineers. | $6.8M | Seed | Feb 14, 2023 |  |
| Workist | Workist is a business process automation based on RPA robots called AI Workers that learn through human-AI teamwork. Its B2B transactions are translated, allowing for seamless integration and automated data exchange between business customers, distributors, and suppliers. Using AI, they hope to free up people's time to do more creative andmeaningful work. Workist automates the processing of incoming purchase orders so that no one has to manually type in documents again.Workist was founded in 2019 and is headquartered in Berlin, Germany. | $9M | Series A | Sep 20, 2022 |  |
| CELUS | CELUS creates an online software solution to empower development teams to easily build embedded systems, without deep knowledge about electronics. Our software automatically generates schematics, PCB-Floorplannings, BOM and Embedded Source Code through automation and artificial intelligence. | $27.4M | Series A | Jul 06, 2022 |  |
| CELUS | CELUS creates an online software solution to empower development teams to easily build embedded systems, without deep knowledge about electronics. Our software automatically generates schematics, PCB-Floorplannings, BOM and Embedded Source Code through automation and artificial intelligence. | $25.5M | Series A | Jul 06, 2022 |  |

10 of 14 investments shown.

## Co-investors
- [468 Capital](https://shizune.co/investors/profile/468-capital) — VC Fund, 4 deals together
- [Speedinvest](https://shizune.co/investors/profile/speedinvest) — VC Fund, 4 deals together
- [Leblon Capital](https://shizune.co/investors/profile/leblon-capital) — VC Fund, 2 deals together
- [LocalGlobe](https://shizune.co/investors/profile/localglobe) — VC Fund, 2 deals together
- [Plug and Play](https://shizune.co/investors/profile/plug-and-play-ventures) — VC Fund, 2 deals together
- [2xN](https://shizune.co/investors/profile/2xn) — VC Fund, 1 deal together

## About Earlybird Venture Capital

VC Fund · Berlin, Germany

Founded in 1997, Earlybird invests in all development and growth phases of technology companies. Among the most experienced venture investors in Europe, Earlybird offers its portfolio companies not only financial resources but also strategic support plus access to an international network and capital markets. With EUR 2 billion under management,eight IPOs and 30 trade sales, Earlybird is one of the most established and active venture capital firms in Europe.

5 contacts available at Earlybird Venture Capital.

| Name | Title | Profile |
| --- | --- | --- |
| Andre Retterath | Principal | https://shizune.co/investors/profile/andre-retterath |
| Annette Schiering | Financial Analyst | https://shizune.co/investors/profile/annette-schiering |
| Catrin Schmidt | Team Assistant | https://shizune.co/investors/profile/catrin-schmidt |
| Cem Sertoglu | Co-Founder and Managing Partner | https://shizune.co/investors/profile/m-cem-sertoglu |
| Christian Nagel | Managing Partner | https://shizune.co/investors/profile/dr-christian-nagel |

## Similar investors

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- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

## FAQ

### What does Andre Retterath invest in?

Andre Retterath invests primarily in Software, Artificial Intelligence and Information Technology startups, most often at Seed and Series A stage. Most of the 14 investments tracked by Shizune back companies in Germany. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Andre Retterath last invest?

The most recent investment recorded for Andre Retterath closed in Jul 2025. Shizune tracks 14 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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