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ACT Venture Partners

Venture capital

Amsterdam · Pre-Seed–Seed · 17 people tracked

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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.

Stage
Pre-Seed–Seed
Check
$550K – $1.6M
HQ
Amsterdam, NL
Leads rounds
Leads
Instruments
Equity
Last 12 months
2 investments
Tracked investments
24

Team · 17 people

from the firm's website
Aleksandar Terziyski· Venture Partnerin
Alper Alsan· Executive in Residencein
Ryan Heidari· Executive in Residencein

Founder 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 companies

AI & 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 companies
36%
solo founders
4 of 11 mapped founding teams
44%
repeat founders
of 16 founders with career history

Founding 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 path

By year:2026 · 22024 · 12023 · 22020 · 22016 · 18 dated

AI Buildai-build.comin𝕏

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

Ambeentambeent.aiin𝕏

Ambeent provides a platform for service providers and enterprises that uses patented WiFi technology to deliver real-time, proactive network management across devices.

AI & Machine LearningCloud ComputingEnterprise SoftwareIoT

App Samuraiappsamurai.comin𝕏

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

Ardictechardictech.comin𝕏

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

Botanalyticsbotanalytics.coin𝕏Apr 2016

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

Cellbrickscellbricks-therapeutics.cominMar 2026

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 Technologieseatron.comin

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

Glakolensglakolens.com

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

Hazyhazy-ai.comMar 2023 · $9M

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

Inofabspirohome.ioJun 2020

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 Healthinofab.healthinJun 2020

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

Meddenovomeddenovo.cominOct 2023

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

Nextmolnextmol.comin

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

NxLitenxlite.comin

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 Securitypicussecurity.comin𝕏

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

ProductiveMachines Seedproductivemachines.co.ukin

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

Qubitriumqubitrium.techinApr 2026

Qubitrium is a company focused on quantum technology innovation.

Deep TechHardwareQuantum Computing

Kadir Durak(Founder)in

Rototiprototip.cominFeb 2024

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 Researchrsresearch.netin𝕏

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)

Segmentifysegmentify.comin𝕏

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

SenpAI.GGsenpai.gginSeedDefunct

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

Skysensskysens.ioin𝕏

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 companies

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

ACT Venture Partners photo

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