Robert Maier
Business Angel @ Saarbruecker 21
Berlin, Germany
Robert Maier is a Business Angel at Saarbrücker21 and an investor at various companies. Robert was a Founder and Managing Director at Visual Meta. He attended WHU – Otto Beisheim School of Management.
- Total investments:
- 18
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Robert Maier invests in
Stages Robert Maier invests in
Countries Robert Maier invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $1.6M–$5.8M
- Pre-Seed
- $542k–$2.6M
- Series A
- $4.7M–$16M
Investment Focus
Industry
- Software 3 (17%)
- Internet 2 (11%)
- Education 2 (11%)
- Digital Media 2 (11%)
- Service Industry 2 (11%)
Stage
- Seed 6 (33%)
- Pre-Seed 6 (33%)
- Series A 3 (17%)
- Angel 2 (11%)
- Series B 1 (6%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| a2zebra is a zebra company that specializes in instructional technology for elementary school kids. | $541.9K / Pre-Seed / Apr 03, 2024 | ||
| Packmatic connects brands with packaging suppliers. Their services include packaging requests, onboarding, kick off calls with packaging engineers, sign off on the final product, and supplier matching. Contact Packmatic at info@packmatic.io. | $16.3M / Series A / Jan 24, 2024 | ||
| Blockbrain is a technology company that provides a generative AI platform and tools designed to help developers and enterprises build, deploy, and manage AI-powered applications and workflows. The company’s platform includes modular components for natural language processing, vector search, prompt management, and customizable AI model orchestrationthat support integration into software products and internal systems. Its offerings enable technical teams to create contextual knowledge layers, automated reasoning chains, and AI-assisted interfaces that leverage both proprietary and third-party models.Blockbrain also supplies SDKs, APIs, and development frameworks that help streamline application development, model tuning, and content generation across use cases such as intelligent search, summarization, and automated responses. The company works with partners and customers to tailor solutions that align with existing tech stacks and operational goals, supporting collaboration across engineering and product teams. Its platform emphasizes flexibility in model choice, data connectivity, and deployment options to accommodate diverse AI application requirements. | $2.6M / Pre-Seed / Dec 16, 2022 | ||
| SECJUR provides a platform for automated compliance. The startup's technology streamlines procedures in the Digital Compliance Office for areas including data protection, information security, anti-money laundering, and whistleblowing. | $5.8M / Seed / Dec 01, 2022 | ||
| Synctive enables equipment-as-a-service and pay-per-use business models for machine and plant manufacturers. | $1.6M / Seed / May 31, 2022 | ||
| Synctive enables equipment-as-a-service and pay-per-use business models for machine and plant manufacturers. | $1.6M / Pre-Seed / May 31, 2022 | ||
| Our mission is to serve every table, every day.ChefCoco is already the largest corporate meal service provider in Berlin. Serving businesses, universities and large events with fresh, healthy & affordable meals. We build and operate industrial scale production kitchens, sourcing the highest quality ingredients, and being cooked by Michelintrained chefs. All our meals are delivered in premium reusable bowls.Reach out to hello@chefcoco.com to give your employees the best meal experience or if you want to join our team in building a category defining business. | Seed / Feb 08, 2022 | ||
| Academa primarily offers digital education in administration. | Angel / Jan 12, 2022 | ||
| Nelly provides a tool for medical practices that simplifies patient onboarding and payments. It creates the basis for stress-free and clear work in your practice by drastically reducing the administrative effort for doctors, MFAs, ZFAs, and patients with Nelly. 90% of all healthcare professionals perceive bureaucracy and administrative burdens asthe biggest problem in the workplace.The company's mission is to reduce the administrative effort in the healthcare sector by simplifying documentation and payment processes in order to make the practice visit more patient- and employee-friendly. | Pre-Seed / Nov 29, 2021 | ||
| Xolo is a 3D printing firm that offers a volumetric printing solution to various industries. | Seed / May 12, 2021 | ||
| See all 18 investments → | |||
Co-Investors
About Saarbruecker 21
They are a group of friends and internet/tech entrepreneurs who first met ten years ago in Saarbruecker Strasse 21 in Berlin Prenzlauer Berg. All of them started successful businesses, they are founders and share a passion for building great companies. As active business angels, they also invest in young startups, either individually or collectively as a group. They provide seed funding for killer-founders and great ideas. But way more important: they help to avoid mistakes that they have already made . They introduce to the right people. They provide with all the experience that they have. Not just talking about it but helping hands-on.
Saarbruecker 21 Contacts
| Name | Phone | Socials | |
|---|---|---|---|
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Robert Maier
Business Angel
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Eric Ebert
Angel Investor
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Martin Rost
Business Angel Investor
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FAQ
What does Robert Maier invest in?
Robert Maier invests primarily in Software, Internet and Education startups, most often at Seed and Pre-Seed stage. Most of the 18 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 Robert Maier invest in?
Robert Maier typically joins rounds of $1.6M–$5.8M at Seed, $542k–$2.6M at Pre-Seed and $4.7M–$16M at Series A. These are whole funding-round sizes, not Robert Maier's own check, which is rarely disclosed: the 10th–90th percentile of the confirmed public funding rounds Robert Maier took part in.
How do I contact Robert Maier?
Public channels for Robert Maier 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.
When did Robert Maier last invest?
The most recent investment recorded for Robert Maier closed in Apr 2024. Shizune tracks 18 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 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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