Fundraising Fox
Sunfish Partners
Venture capitalBerlin · Pre-Seed–Seed · 10 people tracked
Not to be confused with Sunfish Partners (Venture capital · Berlin, DE)
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Investment thesis
Sunfish Partners is an early-stage venture capital firm focused on space and defense startups originating in Eastern Europe (CEE). It writes pre-seed tickets of roughly €150k-€300k, backing both hardware and software companies. Its stated mission is to help secure Europe's technological and strategic autonomy. The firm has been active for seven years, made 25 investments, and reports 350+ jobs created at its portfolio companies.
Source: firm website, verified Aug 3, 2026.
Team · 10 people
from the firm's website
What they invest in
from 23 of 29 portfolio companiesAI & Machine Learning ×10Deep Tech ×8Hardware ×5Defense Tech ×4Enterprise Software ×4Healthtech ×4Robotics ×4SaaS ×4
HQs:Poland×6Switzerland×1Czechia×1Germany×1Estonia×1United States×1
Investments · 29 tracked
founders shown can be your intro path1Security maps every identity in a Microsoft 365 tenant — users, apps, AI agents, and devices — into a live graph showing access permissions, activity, and paths to data, and can remediate risky access.
CybersecurityEnterprise SoftwareSaaS
Co-investorsSunfish Partners
Aether Biomedical develops bionic hands and rehabilitation devices for upper limb amputees using bio-signal processing technology.
BiotechDigital HealthHardwareHealthtechMedical DevicesRoboticsPoznan, PL
Dhruv Agrawal(Founder)in
Co-investorsBrincChiratae VenturesJ2 VenturesJoyance PartnersStory VenturesSunfish Partners
Alphamoon is an AI-powered document data extraction platform that uses OCR, machine learning, and natural language processing to automatically extract structured data from invoices, identity documents, contracts, and other business documents.
AI & Machine LearningData & InfrastructureEnterprise SoftwareLegalTech
Asynchronics develops NeXosim, a simulation framework for space systems that enables high-fidelity modeling and validation of spacecraft and satellite hardware.
Deep TechDeveloper ToolsSpace Tech
Adam Chikha(Co-Founder & CEO)in
Co-investorsCreative Destruction Lab (CDL)Heartfelt CapitalHEC Paris Incubator
C2GRID builds a geospatial awareness and decision-support platform that converts video, including drone footage, into near real-time 3D operational environments with multi-sensor data fusion and automated threat detection.
AI & Machine LearningDeep TechDefense Tech
Vladimir Kuts(CEO)inSaamuel Stepanov(Chief Marketing Officer)in
Co-investorsBSV Ventures
Deepflare provides an AI platform for antigen design that predicts T-cell immunogenicity to accelerate vaccine and therapeutic discovery.
AI & Machine LearningBiotech
Greg Preibisch(Founder)inPiotr Grzegorczykin
DefendEye builds a launch-tube drone system with a low-light camera and onboard AI that detects humans and streams real-time video to an observation center within seconds of a triggered launch.
AI & Machine LearningDefense TechRoboticsKraków, PL
Co-investorsNovaCapitalFf Venture CapitalIn-Q-Tel
ENS Dynamics develops autonomous UAV interceptor technology to neutralize aerial drone threats and protect infrastructure.
Deep TechDefense TechRoboticsPully, CH
Alexander Ens(Founder & CEO)in
Liftero develops green chemical propulsion systems for space missions, delivering configurable high-thrust engines optimized for rapid orbital maneuvers, in-orbit servicing, and constellation deployment.
Deep TechHardwareSpace Tech
Przemysław Drożdż(Founder)inTomasz Palacz(Founder)in
Co-investorsbValue Venture Capital
Molecule.one applies machine learning to chemical synthesis, predicting synthetic routes and supporting chemistry research with an in-house synthetic and analytical laboratory.
AI & Machine LearningBiotechDeep TechDover, US
Pawel Wlodarczyk-Pruszynski(Executive Officer, Director)Piotr Byrski(CEO & Co-founder)inStanisław Jastrzębski(CTO & Chief Scientist & Co-founder)inPaweł Włodarczyk-Pruszyński(Engineering Fellow & Co-founder)in
BoardDominik Andrzejczuk(Director)
Co-investorsExpeditionsFf Venture CapitalAME Cloud VenturesCherubic Ventures
mysite.ai is an AI app for restaurants and cafés that prepares social posts, runs Meta and Google ad campaigns and builds venue websites, with owners approving every action before it goes live.
AI & Machine LearningMarketing TechSaaS
Patrick Pijanowski(Founder)in
Co-investorsInovo VC
Orbital Matter designs and builds large rigid structures directly in orbit as an alternative to mechanical folding/deployable systems, targeting large-area elements such as solar arrays, radiators and antennas for satellite constellations, space data centers and multi-module space stations.
Advanced ManufacturingDeep TechHardwareSpace TechBerlin, DE
Jakub Stojek(CEO)inRobert Ihnatisin(CTO)in
Co-investorsEarly Game VenturesEntrepreneur FirstAntlerSeraphim Space
PerfOps runs a big data platform that ingests billions of performance metrics from locations worldwide and streams them in real time to dashboards or customer endpoints, powering DNS, cloud, and CDN benchmarking services such as DNSPerf, CloudPerf, and CDNPerf.
Cloud ComputingData & InfrastructureDeveloper Tools
Co-investorsElevate Innovation PartnersFinch Capital
Pergamin generates complete HR document packages from employee data, collects qualified electronic signatures (QES/eIDAS), and stores them in an audit-ready archive compliant with Polish labor law.
HR TechLegalTechSaaS
Co-investorsFundingBox Deep Tech Fund
RANDAEMON develops post-quantum cryptography solutions, including AIRBARN™ stream ciphers and quantum random number generators (QRNGs), for securing internet-connected devices, cloud operations, and IoT systems against quantum computing threats.
CybersecurityIoTQuantum ComputingWarsaw, PL
Janusz Borodziński(CEO)inKrzysztof Appelt(VP Business Development)inJan Tatarkiewicz(CTO)
Humanoid robots, space & defense
Sky Spy develops signals intelligence (SIGINT) technology for real-time RF tracking in contested electromagnetic environments on the battlefield.
Deep TechDefense TechHardware
Co-investorsExpeditions
Smarter Diagnostics provides AI-powered analysis of multimodal health and sports data—including biomechanics, imaging, genetics, and wearable metrics—to enable data-driven decision-making for injury prevention, performance enhancement, and personalized athlete development.
AI & Machine LearningHealthtechSports Tech
Co-investorsAligo Venture Capital
Solvemed develops a smartphone-based FDA-cleared medical device for pupil size and reactivity testing in neurological exams, eliminating the need for separate hardware.
AI & Machine LearningHealthtechMedical Devices
Michal Wlodarski, PhD(Founder)inHugo Chrost(Founder)in
Co-investorsAPEX VenturesCambridge Angels groupFf Venture CapitalPreface VenturesTechniVenturesTensor Ventures
Zaitra develops AI-based onboard data processing solutions for optical Earth Observation satellite missions, including cloud screening and object detection.
AI & Machine LearningDeep TechSpace TechBrno, CZ
Marek(CEO & Co-founder)Martin(CTO & Co-founder)Rado Pitonak(Founder)in
Co-investorsCzech Founders VC
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
Aether BiomedicalGetreHellion Techre_data
Portfolio news
latest coverage across their companiesLiftero · liftero.com · Jun 22, 2026
1Security · trysignalbase.com · May 11, 2026
SI Robotics · eu-startups.com · May 12, 2025
Frequently asked questions
- How many investments has Sunfish Partners made?
- Sunfish Partners has 29 tracked investments.
- What stage does Sunfish Partners invest at?
- Sunfish Partners invests at the Pre-Seed, Seed stages.
- What is Sunfish Partners's typical check size?
- Sunfish Partners typically writes checks of $165K – $330K.
- What sectors does Sunfish Partners focus on?
- Sunfish Partners focuses on AI & Machine Learning, Cybersecurity, Deep Tech, Defense Tech, Hardware, Robotics, Space Tech.
- Where is Sunfish Partners located?
- Sunfish Partners is headquartered in Berlin, DE.
- Does Sunfish Partners lead rounds?
- Sunfish Partners typically participates in rounds rather than leading them.
- Who does Sunfish Partners co-invest with?
- Sunfish Partners most often shares deals with bValue Venture Capital, Czech Founders VC, Early Game Ventures, among 6 tracked co-investors.
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