ACT Venture Partners
Venture capitalAmsterdam · Pre-Seed–Seed · 17 people tracked
Find your way into ACT Venture Partners
Each arrow is one introduction. Sign up to fill in the first one.
Ask Alexander Leutner to introduce you to Troy Dale
You →Alexander · together at Cellbricks →Troy
Ask Jamie Chen to introduce you to Seth Miller
You →Jamie · together at Rapchat →Seth
Ask Sam Okafor to introduce you to Evren Ucok
You →Sam · together at Investor →Evren
- Erhan Kılıçözlü357 people can intro you
- Gökhan Güner218 people can intro you
- Gürcan Ozan138 people can intro you
Sign up to find every way you can get introduced to ACT Venture Partners
- Your email: who you already know at ACT Venture Partners, and who your contacts know
- 2nd- and 3rd-degree connections: people you know who worked, studied or invested with the ACT Venture Partners team
- Your LinkedIn: the connections who can make the intro for you
We rank every route by how warm it is, so you raise on warm intros instead of cold emails.
Investment thesis
ACT Venture Partners partners with European deep-tech founders at the seed stage, aiming to help transform groundbreaking ideas into world-changing companies. The firm invests from pre-seed to post-seed with initial checks ranging from €500K to €1.5M, focusing specifically on deep-tech ventures and supporting founders on their path from early vision toward global scale.
Source: firm website, verified Aug 3, 2026.
Team · 17 people
from the firm's websiteFounder mafia
4 people who came through ACT Venture Partners went on to found or lead other companies.
What they invest in
from 22 of 24 portfolio companiesAI & Machine Learning ×17Deep Tech ×6SaaS ×6Advanced Manufacturing ×5Biotech ×4Medical Devices ×4Data & Infrastructure ×3Enterprise Software ×3
HQs:United States×5Türkiye×4United Kingdom×3Canada×1Germany×1Spain×1
Who they back
founder profiles across 11 portfolio companiesFounding team size:solo founder×42 founders×33 founders×14+ founders×3
Where their founders studiedfrom 15 founders with education data
Orta Doğu Teknik Üniversitesi / Middle East Technical University ×7Bilkent University ×2
What their founders studiedfrom 18 founders with field-of-study data
Engineering ×9Computer Science ×3Mathematics & Statistics ×3Business & Management ×2
Where their founders worked beforefrom 16 founders with career history
Havelsan ×2Intellica ×2Zaha Hadid Architects ×2
Investments · 24 tracked
founders shown can be your intro pathBy year:2026 · 22024 · 12023 · 22020 · 22016 · 18 dated
Aibuild develops parametric, data-driven software for large format additive manufacturing, helping organizations improve the efficiency of their 3D printing processes.
Advanced ManufacturingAI & Machine LearningRoboticsSaaSLondon, GB
Daghan(Co-founder)inMichail(Co-founder)in
Co-investorsAI SeedAtlas Ventures (UK)First Imagine!SuperSeedActivate Venture PartnersCambridge Angels group+2 more
A podcast covering mobile growth, user acquisition strategies, monetization tactics, and trends in advertising technology for app developers and marketers.
AdTechAI & Machine LearningData & InfrastructureMarketing TechMedia & EntertainmentSaaSSan Francisco, US
Emre FadıllıoğluMehmet BilgininSelin EzerinSeyhmus ÖlkerinSoner Sensoyin
Co-investors500 Emerging Europe500 GlobalTechstarsCollective Spark
ARDICTECH develops AI-powered intelligence layers for industrial environments, analyzing machine data from connected devices without disrupting existing operations.
Advanced ManufacturingAI & Machine LearningDeep TechIoT
Tunc Kahveci(CEO & Founder)Haluk Tüfekci(CTO)inHulya Kahveci(VP of Business Development)in
Botanalytics provides conversational analytics for chatbots and conversational AI, enabling teams to understand user interactions, optimize NLP models, and track retention and conversion metrics.
AI & Machine LearningData & InfrastructureDeveloper ToolsSan Francisco, US
Enis Gayretli(Secretary and Director)inIlker K?ksal(President, Chief Executive Officer, and Director)Deniz Acayinİlker Köksalin
Co-investors500 Emerging Europe500 Global
Cellbricks Therapeutics is a preclinical biotech company developing implantable tissue grafts using proprietary bioprinting technology, biomaterials, and human cells for regenerative medicine applications.
AI & Machine LearningBiotechDeep TechLongevityBerlin, DE
Alexander Leutner(Co-CEO (Business) & Co-founder)inDr. Tobias Lam(CTO & Co-founder)Alexander Thomas(Soft Tissue Program Lead & Co-founder)inMichael Kring(Chief Financial Officer)
Co-investorsAurum Venture PartnersCreative Destruction Lab (CDL)VU Venture PartnersSilicon Roundabout Ventures
Eatron develops AI-powered battery optimization software that improves efficiency, safety, and performance for industries using lithium-ion batteries across automotive, light mobility, commercial transport, and energy sectors.
AI & Machine LearningCleantechEnergyMobility & TransportationWarwick, GB
UmutCanAmedeoBrianUgurKrzysztof
Co-investorsAster CapitalLG Technology VenturesMMC VenturesTechFounders
Glakolens develops a non-invasive biosensor platform embedded in a disposable contact lens to enable continuous 24-hour intraocular pressure monitoring for patients at risk of glaucoma and ocular hypertension.
AI & Machine LearningDeep TechHardwareHealthtechMedical DevicesItaly, IT
Hazy provides a data-sharing platform with built-in GDPR-compliant legal agreements, access controls, and audit logs to help businesses share customer data responsibly.
AI & Machine LearningCybersecurityData & Infrastructure
Harry Keen(Founder)in
Co-investorsAlbionVCM12 (Microsoft's Venture Fund)Metis VenturesNeva Sgr.Notion CapitalUCL Technology Fund+5 more
SpiroHome develops ultrasonic spirometers and digital respiratory care technology for home users, hospitals, clinics, and research centers, letting patients conduct lung function tests and track lung health through a mobile app.
Digital HealthHardwareHealthtechMedical DevicesAnkara, TR
Kerem YaşarMerthan Öztürk
Co-investors500 GlobalIstanbul
InoFab develops ultrasonic spirometers and cloud-based respiratory monitoring platforms for home and clinical use, enabling patients and healthcare providers to conduct and track lung function tests digitally.
Digital HealthHealthtechMedical DevicesAnkara, TR
Co-investors500 Emerging EuropeTeknoloji YatirimIstanbul
Meddenovo develops Mexa, an AI-powered platform for de novo design of cyclic peptide drug candidates.
AI & Machine LearningBiotechDeep TechLyon, FR
Ilke Ugur Marion(Founder)in
Nextmol (Bytelab Solutions SL) is a computational chemistry company that develops molecular modeling and AI tools, offered both as services and via a SaaS platform, to accelerate the design of more sustainable chemicals for the chemical industry.
AI & Machine LearningBiotechDeep TechSaaSBarcelona, ES
Co-investorsAxon Partners GroupGrow Venture Partners
NxLite develops sustainable coatings and glazing solutions for building windows and glass to improve energy efficiency and reduce heating/cooling energy loss.
CleantechConstruction TechNew MaterialsToronto, CA
David Matherin
Co-investorsBackwards CapitalCreative VenturesE8 AngelsEarth FoundryEnergy FoundryNew Climate Ventures+3 more
Picus Security develops security validation technology, including Breach and Attack Simulation and automated penetration testing, to help organizations identify and prioritize cyber exposures and apply mitigations.
AI & Machine LearningCybersecurityEnterprise SoftwareSaaSWilmington, US
Hamdi Alper Memis(Director, Executive Officer)Volkan Ert?rk(Executive Officer, Director)Volkan Erturk(Founder)inH. Alper Memis(Founder)in
BoardSeymur Tari(Director)Joe De Pinho(Director)in
Co-investorsBek VenturesRiverwood CapitalScaleX Ventures
Productive Machines develops software, including its SenseNC product and stability-map technology, that optimizes CNC machine tool settings and toolpaths to eliminate chatter vibrations, improving part quality, productivity, and tool life.
Advanced ManufacturingAI & Machine LearningSaaSRotherham, GB
Erdem Ozturk(Founder & CEO)inDr Huseyin Celikag(CTO & Co-founder)
Co-investorsFuture Planet CapitalUK Innovation & Science Seed FundFuel Ventures
Rototip provides in-house manufacturing services with emphasis on quality control and fast delivery for customers needing precision-engineered parts.
Advanced ManufacturingB2B MarketplacesAmsterdam, NL
Galip Okan(CEO)
Co-investorsAPY VenturesHeartfelt Capital
RS Research develops polymer-drug conjugates for targeted chemotherapy and theranostics in oncology, aiming to improve the therapeutic index in cancer treatment.
AI & Machine LearningBiotechMedical Devices
Prof. Rana Sanyal(Co-Founder)
Segmentify provides AI-powered personalization software for eCommerce businesses, using machine learning algorithms to analyze individual customer behavior and deliver tailored shopping experiences.
AI & Machine LearningE-commerceMarketing TechSaaS
Murat Soysal(Co-founder)inErgin Eroğlu(Co-founder)in
Co-investorsStartersHubWesley Clover International CorporationZMT Ventures
A desktop application that provides in-game coaching and post-game analysis to PC gamers through an overlay and voice assistant, using computer vision to deliver real-time feedback and recommendations.
AI & Machine LearningConsumerGamingBoston, US
Olcay Yilmazcoban(Founder)inBerk Ozer(Founder)in
Co-investorsY CombinatorBamboo Capital PartnersBeagle VenturesFinadai HoldingsMF Superfund
Skysens offers an AI-powered predictive monitoring platform that combines IoT hardware, custom machine learning models, and enterprise integrations to enable applications like equipment maintenance and energy management across industrial, commercial, and municipal settings.
Advanced ManufacturingAI & Machine LearningEnterprise SoftwareIoTAustin, US
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
European Women Innovator PrizeTap Mango
Portfolio news
latest coverage across their companiesCellbricks · trysignalbase.com · Mar 31, 2026
NxLite · finsmes.com · Oct 14, 2025
Frequently asked questions
- How many investments has ACT Venture Partners made?
- ACT Venture Partners has 24 tracked investments, including 2 dated in the last 24 months.
- What stage does ACT Venture Partners invest at?
- ACT Venture Partners invests at the Pre-Seed, Seed stages.
- What is ACT Venture Partners's typical check size?
- ACT Venture Partners typically writes checks of $550K – $1.6M.
- What sectors does ACT Venture Partners focus on?
- ACT Venture Partners focuses on AI & Machine Learning, Biotech, Cleantech, Climate Tech, Construction Tech, Deep Tech, Defense Tech, Energy, New Materials, Quantum Computing, Space Tech.
- Where is ACT Venture Partners located?
- ACT Venture Partners is headquartered in Amsterdam, NL.
- Does ACT Venture Partners lead rounds?
- Yes, ACT Venture Partners leads investment rounds.
- Who does ACT Venture Partners co-invest with?
- ACT Venture Partners most often shares deals with 500 Emerging Europe, 500 Global, Creative Ventures, among 56 tracked co-investors.
Images
Similar investors
DCVC (Data Collective) is a deep tech venture capital firm that backs entrepreneurs using computational approaches to solve large-scale real-world problems across many industries.
Khosla Ventures is a venture capital firm that backs bold, early-stage, technology-driven companies across deep tech and other sectors, providing hands-on 'venture assistance' to help founders build category-defining businesses.
Cantos Ventures is an early-stage venture firm founded in 2016 that provides initial capital and ongoing counsel to founders building deep technology in areas such as robotics, energy, space, defense, and advanced manufacturing.
Fundamental Ventures is an early-stage venture firm that writes first checks into founders removing fundamental constraints that hold back human progress, spanning hard tech, deep science, and workflow innovation.
Vesna is a deep-tech venture fund, described as the first Slovenian-Croatian deep tech fund, backed by the European Investment Fund, investing in early-stage technologies spun out of Slovenian and Croatian R&D institutions.























































































