/Investor DB

OTB Ventures

Venture capitaloperating company · company profile

Amsterdam · Seed–Series B · 23 people tracked

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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.

Stage
Seed–Series B
Check
$1.1M – $7.7M
HQ
Amsterdam, NL
Leads rounds
Leads
Instruments
Equity
Founded
2017
Last 12 months
5 investments
AUM
$350M
Tracked investments
38
Unicorns
1

Team · 23 people

from the firm's website & curated & public directories
Katarzyna Zwolanowska· Partner, Chief Operating Officerin
Kris Pałucki· Investment Director
Tomasz Lepka· Investment Manager
Anna Ślotła· Head of Investor Relationsin
Ignacy Drzewiecki· Investment Analyst
Karolina Czerwińska-Czaplicka· Chief Financial Officerin
Maciej Zasada· Vice President
Patrycja Werner-Zielińska· Financial Controller
Rajmund T. Andrzejczak· Strategic Adviser

Listed with the title General; serves as a strategic adviser to the firm.

Szymon Pinczewski· Finance Managerin

What they invest in

from 33 of 38 portfolio companies

AI & Machine Learning ×21Deep Tech ×11SaaS ×8Enterprise Software ×7Hardware ×7Space Tech ×7Data & Infrastructure ×6Fintech ×6

HQs:United States×6France×4Germany×3United Kingdom×2Finland×1Italy×1

Who they back

founder profiles across 22 portfolio companies
36%
solo founders
8 of 22 mapped founding teams
21%
repeat founders
of 29 founders with career history
~5 yrs
old at investment
median across 19 dated deals

Founding team size:solo founder×82 founders×93 founders×14+ founders×4

Where their founders studiedfrom 31 founders with education data

Aalto University ×2International Space University ×2National Technical University "Kharkiv Polytechnic Institute" ×2University of Cologne ×2

What their founders studiedfrom 31 founders with field-of-study data

Business & Management ×9Engineering ×9Computer Science ×7Physics ×4Mathematics & Statistics ×3Economics ×2Medicine ×2

Where their founders worked beforefrom 29 founders with career history

Airbus Defence and Space ×3Airbus ×2Klaus Space Transportation GmbH ×2T-Me Studios ×2

Accelerator rootsportfolio companies that came through a program

Techstars ×2

7 founders hold a PhD · 5 hold an MBA (of 30 with degree data)

Investments · 38 tracked

founders shown can be your intro path

By year:2026 · 42025 · 82024 · 42023 · 12022 · 52021 · 22019 · 12017 · 126 dated

akirolabsakirolabs.cominJan 2024 · $5M✓ verified

akirolabs offers an AI-augmented platform for enterprise procurement teams to build, standardize, and manage category and procurement strategies.

AI & Machine LearningEnterprise SoftwareSaaSBerlin, DE

Christoph Flöthmann(Founder)inDetlef Schultz(Co-Founder)inMichael Pleuger(Co-Founder)inTim Ergenzinger(Co-Founder)inKai Elsermann(Chief Revenue Officer)in

Co-investorsD11ZHTGFSerpentine Ventures

Alta Aresaltaares.cominJun 2026✓ verified

Alta Ares builds an AI stack for autonomous air defense and ISTAR, including counter-drone interceptor effectors, an ISR product suite, and mission management software designed for contested, GNSS-denied environments.

AI & Machine LearningDefense TechRoboticsParis, FR

Alain Henry(Founder)Hadrien Canter(Founder)Stanislas Walch(Founder)Théo Bondarec(Founder)

Co-investorsAir Street CapitalApeiron Venture CapitalCherry VenturesHarpoon VenturesKima VenturesExpansion Venture Capital+5 more

Scalarrscalarr.ioin𝕏✓ verified

Scalarr builds machine learning-based tools to detect and prevent mobile app install ad fraud, analyzing ad campaign data from click through post-install events.

AdTechAI & Machine LearningCybersecurityIoTSan Francisco, US

Inna Ushakova(President & CEO)inYuriy Yashunin(CPO & Co-Founder)in

Co-investorsEBRDSpeedinvestEBRD Venture Capital Investment ProgrammeTMT Investments

Turnkey Lenderturnkey-lender.comin𝕏✓ verified

TurnKey Lender develops AI-driven lending automation software with a built-in decision engine that handles credit scoring, loan origination, and servicing for lenders ranging from international banks to local retail and non-profit lenders.

AI & Machine LearningFintechSaaSAustin, US

Elena Ionenko(Co-founder)inDmytro Voronenko(Co-founder)David Lintz(Chief Executive Officer)in

Co-investorsVertex VenturesOSK Ventures InternationalVertex Ventures Sea Management Pte. Ltd.

Hydrosathydrosat.cominAug 2025 · $5M

Hydrosat converts satellite and ground data into actionable information for sustainable agriculture and water management.

AgTechAI & Machine LearningClimate TechData & InfrastructureSpace TechWashington, US

Pieter Fossel(CEO)inScott Alan Soenen(Executive Officer)Alan Royce Dalby(Executive Officer, Director)Yun Jin Kim(Executive Officer)

BoardAndrew Robert Dearing(Director)in

Board seatAdam Niewinski· per SEC Form D

Co-investorsBlue Bear Capital PartnersExpon CapitalFREEFLOWHemisphere Ventures LLCIndustrious VenturesNextwave [X] Partners+7 more

MatrixSpacematrixspace.comin𝕏Series B · Sep 2025 · $20M

MatrixSpace builds AI-enabled radar and multi-sensor counter-drone (C-UAS) detection systems that fuse radar, optical, and remote ID data with an edge-to-cloud platform to detect, classify, and track drones.

AI & Machine LearningDefense TechHardwareBurlington, US

Mark Twaalfhoven(Director)inWaters L. Gregory(Executive Officer, Director, Promoter)Jose Martinez Lorenzo(Director)Robert Broggi(Director)Gregory L. Waters(Executive Officer, Director)

BoardChristian Gallagher(Director)

Board seatMarcin Hejka· per SEC Form D

Co-investorsIntel CapitalRaptor Group

APHERISapheris.cominSeries A · Jan 2025 · $21M

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(Founder)inMichael Höh(Founder)in

Co-investorsanother.vcDig Ventures Management LimitedeCAPITAL ENTREPRENEURIAL PARTNERSeCapital Entrepreneurial Partners AGHeal Capitalhubraum+4 more

ATMOSatmos-space-cargo.comin𝕏Apr 2026

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, Chief Executive Officer)inMarta Oliveira(Co-Founder, Chief Operations Officer)inJeffrey Hendrikse(Co-Founder, Chief Technical Officer)inChristian Grimm(Founder)inDR.–ING. CHRISTIAN GRIMM(Co-Founder, Chief Engineering Officer)

Co-investorsAmadeus Capital Partnersanother.vcAPEX VenturesBalnord Sp. z o.o.E2MC VenturesExpansion Ventures+8 more

Aurigaauriga.vcin𝕏Jul 2025 · $6M

Auriga Partners is a venture capital management firm founded in 1998 that invests in and supports entrepreneurs from company creation through development to exit via M&A or IPO.

Co-investorsLuxury Tech FundMonte Carlo CapitalPossible VenturesDnx VenturesSeraphim SpaceSyndicate 708+1 more

Auriga Spaceaurigaspace.comin

Auriga develops electromagnetic launch technology used for ground-based hypersonic testing, deployment of unmanned systems and effectors, missile defense interceptors without rocket motors, and responsive launch to low Earth orbit.

Deep TechDefense TechSpace Tech

Winnie Lai(Founder)in

Co-investorsAtas VCAutomotive Ventures MobilityKern Venture GroupNew North VenturesSeraphim SpaceTrucks VC+6 more

CLEARSPACE - newclearspace.todayin𝕏Series A · Nov 2025

ClearSpace develops in-orbit servicing technologies for satellite disposal, inspection, and life-extension, serving both institutional and commercial space missions.

Climate TechDeep TechRoboticsSpace TechLuxembourg, LU

Co-investorsGraph VenturesIn-Q-TelKluz VenturesSICTICUrania VenturesEuropean Investment Fund+3 more

Fintech OSfintechos.comin

FintechOS offers an AI-first, composable core insurance modernization platform that lets insurers and MGAs build, price, and run policy administration, origination, and claims across P&C, life, health, pet, and specialty lines.

AI & Machine LearningFintechInsurTechSaaSNew York, US

Sergiu Negut(Founder)Teodor Blidarus(Founder)

Co-investorsCipio PartnersEarlybird Venture CapitalGapMinderGecad VenturesKreos CapitalLAUNCHub Ventures+1 more

Fractoryfractory.comin𝕏Series A · Sep 2021 · $9M

Fractory runs a metal fabrication service that connects engineering and manufacturing companies with a vetted network of suppliers, managing projects from quoting to delivery through a single point of contact.

Advanced ManufacturingB2B MarketplacesEnterprise SoftwareLogistics & Supply ChainManchester, GB

Joosep Merelaht(Founder)in

Co-investorsKreos CapitalSpecialist VCSpring CapitalStartup Wise GuysSuperhero CapitalTrind Ventures+2 more

ICEYEiceye.comin𝕏

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(Founder)inPekka Laurila(Founder)in

Co-investorsDnx VenturesDraper AssociatesFOUNDER.orgGen CapitalGeneral CatalystIn-Q-Tel+13 more

Ingenixingenix.aiinApr 2025

Ingenix builds an AI "Reasoning Engine" using an approach it calls Modality Fusion to integrate biological data across modalities and scales.

AI & Machine LearningBiotechDeep Tech

Adam Dancewicz(Founder)

Co-investorsInovo VCSofinnova Partners

Kevinkevin.euMay 2022

kevin. is a Lithuanian fintech building API-based account-to-account payment infrastructure as an alternative to card payments.

Tadas Tamošiūnas(Founder)in

Co-investorsAccelFirstpickOpenOcean20VCEurazeoSpeedinvest

Kurskursorbital.comin𝕏Mar 2024 · $4M

Kurs Orbital provides on-orbit servicing spacecraft for satellite relocation, de-orbiting, and inspection in geostationary orbit.

Deep TechSpace TechTurin, IT

Co-investorsIn-Q-TelInovo VCSeraphim SpaceTechstarsCredo Ventures

Ondatoondato.comin𝕏Oct 2021

Ondato is a technology company providing KYC (Know Your Customer) and AML compliance tools for businesses, covering the full compliance lifecycle from client onboarding to ongoing client monitoring.

CybersecurityFintechSaaSVilnius, LT

Liudas(Co-founder)inAndrej(Co-founder)Andrej Vistorskij(Founder)Liudas Kanapienis(Founder)Liudas Kanapienis Andrej Vistorskij(Founder)

Co-investorsBalnord Sp. z o.o.FirstpickSmart Partnership CapitalStartup Wise Guys

Owkinowkin.comin𝕏

Owkin develops AI Scientist, an autonomous AI system that uses biological large language models and multimodal patient data to accelerate drug discovery for pharmaceutical and biotech companies.

AI & Machine LearningBiotechDeep TechDigital HealthHealthtechSilicon Valley, FR

Thomas Clozel(Co-founder and Chief Executive Officer)inGilles Wainrib(Co-founder)inThomas Clozel Gilles Wainrib(Founder)

Co-investorsBridford Investments (Bridford Group)Cathay InnovationF-Prime CapitalFrstGV (Google Ventures)Alpha Intelligence Capital+3 more

Plumeraiplumerai.cominSep 2025 · $8.7M

Plumerai develops a Video Intelligence pipeline that combines tiny on-device AI models for edge cameras with cloud-based Vision Language Models, offering features such as familiar face identification, people/vehicle/animal/package detection, AI video search, and AI captions.

Advanced ManufacturingAI & Machine LearningHardwareIoTLondon, GB

Roeland Nusselder(Founder)inTaras Iakymchuk(Founding CTO)in

Co-investorsCrane Venture PartnersEntrepreneur FirstLocalGlobeOnsight VenturesPartech VenturesQC·VENTURES

Safe Intelligencesafeintelligence.aiin𝕏Feb 2025

Safe Intelligence provides a software platform, tooling, and services that use formal verification, testing, and robust learning to validate and harden machine learning models such as neural networks and tree ensembles.

AI & Machine LearningCybersecurityDeep TechDeveloper Tools

Steven Willmott(CEO)inAlessio Lomuscio(CTO)in

Co-investorsAmadeus Capital PartnersVsquared Ventures

Segronsegron.cominSeed · Jun 2019 · $3M

SEGRON develops automated, smartphone-based testing and monitoring solutions for telecom networks, helping communications service providers detect service issues and monitor domestic and roaming quality.

Developer ToolsEnterprise SoftwareHardwareIoTSaaSBratislava, SK

Jari Nurminen(Founder)in

Co-investorsCredo Ventures

Semronsemron.aiJan 2024

Semron develops 3D CapRAM, a semiconductor technology that performs computing inside 3D flash memory by stacking many layers on silicon, aimed at meeting the compute demands of AI workloads.

Deep TechHardwareSemiconductors

Aron Kirschen Kai-Uwe Demasius(Founder)

Co-investorsSquareOneJoin CapitalOnsight Ventures

Semronsemron.comJan 2024 · $7.9M

Semron develops 3D CapRAM, a technology that performs computation inside 3D flash memory to address AI compute and memory demands.

Deep TechHardwareSemiconductors

Co-investorsOnsight VenturesJoin CapitalSquareOne

SettleMint NVsettlemint.comin𝕏Series A · Oct 2022 · $16M

SettleMint provides digital asset infrastructure deployed in production for regulated institutions and sovereign entities.

Crypto & Web3Enterprise SoftwareFintech

Roderik Van Der Veer(CTO & Co-Founder)inMatthew Van Niekerk(Co-Founder & President)inAdam Popat(Chief Executive Officer)inFabrizia Zanca(Chief Work Officer)Shahzad Fatmiin

Co-investorsAllusionBloccelerate VCCuriosity VCFujitsu VenturesKPN VenturesMolten Ventures+1 more

Silent Eightsilenteight.comin𝕏Mar 2022 · $40M

Silent Eight develops AI-based technology for compliance and financial crime risk adjudication, serving financial institutions and compliance teams.

AI & Machine LearningCybersecurityFintechSaaS

Co-investorsCrystal Horse InvestmentsJG Digital Equity VenturesRiverwalk HoldingsSC VenturesWavemaker ImpactWavemaker Pacific+2 more

Sotersoter.insurein𝕏Apr 2022 · $12M

Soter offers insurance products for companies operating in digital assets and blockchain, including directors and officers, professional indemnity, technology PI, crime and specie, and crypto-specific coverage such as ETH slashing and smart contract insurance.

Crypto & Web3FintechInsurTech

Henson Orser(Founder & CEO)in

Co-investorsPharsalus CapitalToken Bay CapitalAV8 VenturesBrevan Howard DigitalCoinbase VenturesFranklin Templeton+4 more

Sotersoter.cominApr 2022 · $12M

Soter provides an AI-powered platform that analyzes images, videos, and text to identify workplace safety risks and operational inefficiencies for industrial businesses.

AI & Machine LearningEnterprise SoftwareInsurTechSaaS

Matthew Hart(Founder)in

Co-investorsAV8 VenturesChamaeleonMatterwave VenturesRiverside Acceleration CapitalBrevan Howard DigitalKaratage+2 more

Spaceknowspaceknow.cominJan 2017

SpaceKnow offers Guardian, a platform that integrates data from multiple satellite providers and applies AI algorithms to extract insights from raw imagery.

AI & Machine LearningData & InfrastructureDeep TechSpace TechSan Francisco, US

Jaroslav Javornicky(Executive Officer, Director, Promoter)Pavel Machalek(Executive Officer, Director, Promoter)in

BoardJason Whitmire(Director)in

Co-investorsBlueYard CapitalReflex Capital

SpreadAIspread.aiinSeries B · Apr 2026 · $30M

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)in

Co-investorsCavalry VenturesFirestreak VenturesIn-Q-TelNAPGeneral CatalystHV Capital

Timeseertimeseer.ai

Timeseer is a sensor data quality platform that detects, validates, and resolves data issues at scale for organizations managing IoT and operational technology sensors.

AI & Machine LearningData & InfrastructureIoT

Bert(Co-founder & CEO)Stijn(Co-Founder, Head of AI)Jeroen(Co-Founder, CTO)Thomas(Co-Founder, Product Officer)Niels(Co-Founder CRO)Yorick(Co-founder CFO/COO)

Co-investorsCrane Venture PartnersSmartFinInnovation Fund sa/nv

Tytan Technologiestytan-technologies.comin

TYTAN develops AI-powered autonomous interceptor drones for air defense, designed to detect, track, and neutralize unmanned aerial threats including NATO Class II targets.

AI & Machine LearningDefense TechRobotics

Veridionveridion.cominFeb 2023

Veridion builds a continuously updated data graph of global companies, tracking what businesses exist, what they do, and how they change over time.

AI & Machine LearningData & InfrastructureEnterprise SoftwareSaaS

Mihai Vinaga(Founder)inFlorin Tufan(Founder)inSorina Vlasceanu(Founder)

Co-investorsDay One CapitalGapMinderLauncHub VenturesLAUNCHub VenturesUnderline Ventures

Waivwaiv.comMar 2026 · $33M

Waiv develops AI-based diagnostic tests for precision oncology, using machine learning and foundation models to support biomarker discovery and multimodal diagnostic workflows.

AI & Machine LearningBiotechDigital Health

Co-investorsSerenaSistaAlpha Intelligence CapitalKarista

Wearewaivwearewaiv.comin

Waiv develops AI-powered digital pathology solutions for biomarker discovery and clinical diagnostics in biopharma.

AI & Machine LearningBiotechHealthtechMedical Devices

Co-investorsAlpha Intelligence CapitalCapDecisif ManagementKaristaSista

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

CosmoseProductivity MiningSyntharatechnologies

Portfolio news

latest coverage across their companies

Frequently asked questions

How many investments has OTB Ventures made?
OTB Ventures has 38 tracked investments, including 12 dated in the last 24 months.
What stage does OTB Ventures invest at?
OTB Ventures invests at the Seed, Series A, Series B 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.
Who does OTB Ventures co-invest with?
OTB Ventures most often shares deals with In-Q-Tel, Seraphim Space, Molten Ventures, among 114 tracked co-investors.

Media · Podcasts & interviews

featuring the team

Space tech funding is set to skyrocket, says Adam Niewinski of OTB Ventures - CNBC TV18

Adam Niewinski · cnbctv18.com

Space 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

Marcin Hejka - o wytrwałości długodystansowca w biznesie - cz.1 - OTB Ventures

Zaprojektuj Swoje Życie · Marcin Hejka

Co-investors · 10

Molten Ventures

Molten Ventures invests in European technology companies across sectors including fintech, AI, climate and quantum, with a portfolio spanning over 100 companies.

$2.5M – $63M
Credo Ventures

Credo Ventures is an early-stage venture capital fund focused on backing founders from the Central and Eastern Europe (CEE) region and its global diaspora, active since 2009.

Both backed · 2
$1M – $5M
Verve Ventures

Verve Ventures (Verve Capital Partners AG) is a Swiss investment platform that gives private and professional investors access to European deep tech startups, operating a highly scalable regulated online model.

Both backed · 2
$300K – $2.2M
HV Capital

HV Capital is a European multistage venture capital firm that backs founders from the first check through IPO, investing across consumer, software, deep tech and AI.

Both backed · 1
$540K – $54M
Octopus Ventures

Octopus Ventures is a founder-focused European venture capital firm that backs mission-driven startups across seven core sectors, investing from idea stage through growth with a focus on pre-seed to Series A.

Both backed · 1
$130K – $1.3M
Cavalry Ventures

Cavalry is an early-stage venture fund investing in software businesses across Europe, founded by former company builders and backed by 250+ well-connected individuals.

Both backed · 1
$500K – $4M
eCAPITAL ENTREPRENEURIAL PARTNERS

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.

Both backed · 1
$2.2M – $6.5M
Trind Ventures

Trind Ventures is an early-stage venture firm backing consumer and community-driven startups across Europe, providing support from the first check through multiple rounds.

Both backed · 1
$108K – $1.1M
Specialist VC

Specialist is a venture capital fund backing early-stage tech founders across Estonia, Latvia, Lithuania, Finland and Ukraine, formerly known as United Angels.

Both backed · 1
$270K – $3.2M
River Venture Partners

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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