OTB Ventures
Venture capitalAmsterdam · Seed–Growth · 22 people tracked
Investment thesis
OTB Ventures focuses on backing deep-tech innovators developing technology solutions with unique, practical real-world applications. The firm aims to help these companies become genuine market disruptors. It concentrates on the late seed and Series A stages, aiding founders in scaling beyond their early stages and supporting their ambitions to expand globally.
Source: firm website, verified Aug 3, 2026.
Team · 22 people
from the firm's website & public directoriesWhat they invest in
from 10 of 34 portfolio companiesAI & Machine Learning ×5Space Tech ×5Data & Infrastructure ×4Deep Tech ×4Hardware ×3Biotech ×2Climate Tech ×2Defense Tech ×2
HQs:United States×4Germany×2Finland×1France×1Italy×1
Investments · 34 tracked
founders shown can be your intro pathHydrosat converts satellite and ground data into actionable information for sustainable agriculture and water management.
AgTechClimate TechData & InfrastructureSpace TechWashington, US
Pieter Fossel(CEO)Scott Alan Soenen(Executive Officer)Alan Royce Dalby(Executive Officer, Director)Andrew Robert Dearing(Director)Lori Garver(Director)Adam Niewinski(Director)
Board seatAdam Niewinski· per SEC Form D
MatrixSpace develops AI-enabled radar and sensing platforms that combine radar, optical, and other sensing technologies to help detect and monitor airborne threats and enhance outdoor surveillance capabilities.
AI & Machine LearningDefense TechHardwareBurlington, US
David St. Jean(Director)Mark Twaalfhoven(Director)Jose Martinez Lorenzo(Director)Waters L. Gregory(Executive Officer, Director, Promoter)Christian Gallagher(Director)Marcin Hejka(Director)
Board seatMarcin Hejka· per SEC Form D
Apheris provides a platform enabling large global life sciences organizations to collaborate on sensitive, proprietary data and jointly train machine learning models on distributed datasets while maintaining privacy across teams, borders, and organizations.
AI & Machine LearningBiotechData & InfrastructureMedical Devices
Robin Röhm(Co-Founder & CEO)inMichael Höh(Co-Founder & CTO)in
ATMOS Space Cargo develops and operates reusable spacecraft and return systems for space logistics, offering controlled access to low Earth orbit and recovery capabilities.
Deep TechHardwareLogistics & Supply ChainSpace TechStrasbourg, DE
Sebastian Klaus(Co-Founder)Marta Oliveira(Co-Founder, Chief Operations Officer)Jeffrey Hendrikse(Co-Founder, Chief Technical Officer)Christian Grimm(Co-Founder, Chief Engineering Officer)
Cisco provides networking devices and infrastructure software for data centers, workplaces, and security operations.
Cloud ComputingCybersecurityEnterprise SoftwareSan Jose, US
ICEYE operates a satellite-based synthetic aperture radar (SAR) system that delivers persistent, real-time monitoring and damage assessment data globally.
Climate TechDeep TechDefense TechSpace TechFinland, FI
Rafal Modrzewski(CEO, Co-founder)Pekka Laurila
SpaceKnow provides AI-powered satellite imagery analysis and planetary-scale earth observation intelligence for decision-makers.
AI & Machine LearningData & InfrastructureSpace TechSan Francisco, US
Jaroslav Javornicky(Executive Officer, Director, Promoter)Pavel Machalek(Executive Officer, Director, Promoter)Jason Whitmire(Director)
SPREAD provides a unified engineering platform that integrates data from PLM, CAD, ERP, and ALM systems into a single connected ontology for complex product manufacturers.
Advanced ManufacturingAI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareHardwareBerlin, DE
Philipp Noll(Co-Founder & MD)
Frequently asked questions
- What stage does OTB Ventures invest at?
- OTB Ventures invests at the Seed, Series A, Series B, Growth stages.
- What is OTB Ventures's typical check size?
- OTB Ventures typically writes checks of $1.1M – $7.7M.
- What sectors does OTB Ventures focus on?
- OTB Ventures focuses on AI & Machine Learning, Cybersecurity, Deep Tech, Enterprise Software, Fintech, Space Tech.
- Where is OTB Ventures located?
- OTB Ventures is headquartered in Amsterdam, NL.
- Does OTB Ventures lead rounds?
- Yes, OTB Ventures leads investment rounds.
Media · Podcasts & interviews
featuring the teamSpace tech funding is set to skyrocket, says Adam Niewinski of OTB Ventures - CNBC TV18
Adam Niewinski · cnbctv18.com
Marcin Hejka, OTB Ventures o inwestycjach VC w sektorach fintech i insurtech
MMC Polska · Marcin Hejka
Interview with Marcin Hejka [OTB Ventures] | Equity Story
Reach4 TV · Marcin Hejka
Marcin Hejka - o wytrwałości długodystansowca w biznesie - cz.2 - OTB Ventures
Zaprojektuj Swoje Życie · Marcin Hejka
Which investor should a startup choose? - Marcin Hejka, OTB Ventures
Absolvo · Marcin Hejka
Co-investors · 10
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eCAPITAL is a venture capital firm providing funding from early to growth stage to technology companies across software and IT, cybersecurity, industry 4.0, new materials, and cleantech.
Trind Ventures is an early-stage venture capital firm that backs consumer and community-driven startups across Europe, supporting founders from the first investment through multiple rounds.
Specialist is a venture capital fund backing early-stage tech founders across Estonia, Latvia, Lithuania, Finland and Ukraine, formerly known as United Angels.
HV Capital is a European venture capital firm that has backed companies across multiple industries and economic cycles for over 26 years, providing capital and support to founders.
Verve Ventures (Verve Capital Partners AG) is a Swiss deep tech venture capital firm investing at the intersection of science and enterprise, focused exclusively on Europe. It is a FINMA-licensed securities firm based in Zurich.
River VP is a software venture capital firm focusing on B2B software companies that have achieved initial product-market fit. The firm invests in AI and ML applications across future of commerce, including fintech, marketing automation, and logistics, targeting companies in Europe.
Firms observed investing alongside OTB Ventures, from public investor directories. Shared companies are the overlap with OTB Ventures's recorded portfolio.
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