Zygmunt Grajkowski is an angel investor and operator angel based in Otwocki, Poland with 23 known investments, including Olympus Sky, PiMerge Inc., Vortex Oil Engineering, Algolytics, Audioteka, CallApp, HiProMine, NanoSanguis, Nanoceramics, REDS SA, Cognitum and Incuvo.
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Investment focus
Contacts
Zygmunt Grajkowski portfolio companies (23)
- Olympus Sky
- PiMerge Inc.
- Vortex Oil Engineering
- Algolytics
- Audioteka
- CallApp
- HiProMine
- NanoSanguis
- Nanoceramics
- REDS SA
- Cognitum
- Incuvo
- Key2Print.com
- LGM S.A.
- Limtel
- Loterity
- NanoThea
- NanoVelos
- Reliability Solutions
- Tomorrow Sp. z o o
- Virtual Power Plant Sp. z o.o.
- Vivid Games
- YieldPlanet
Investor Profile
The listing covers sectors AI, Climate, Hardware and Healthcare, and focus areas Biotech, Clean Energy, Cybersecurity and IoT. Startups operating in these areas may find Zygmunt Grajkowski relevant.
The portfolio and focus above give founders context on whether Zygmunt Grajkowski matches their raise.
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Frequently asked questions
Who is Zygmunt Grajkowski?
Zygmunt Grajkowski is an angel investor and operator angel based in Otwocki, Poland with 23 known investments on file, among them Olympus Sky, PiMerge Inc. and Vortex Oil Engineering. The sections above list the sectors attached to that record.
What does Zygmunt Grajkowski invest in?
Listed sectors include AI, Climate, Hardware and Healthcare; listed focus areas include Biotech, Clean Energy, Cybersecurity and IoT. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.
How do I contact Zygmunt Grajkowski?
An email address and a LinkedIn page are on file for Zygmunt Grajkowski. The address stays masked on this page and is readable inside RaiseHunt after you create an account. The database holds no phone number for this profile.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal