Top 35 Internet Startup Investors in Croatia (August 2026)

Portfolio highlights

• HEU — HEU is a legaltech company that automates and manages legal documents and allows users to edit and share them.
• tvbeat — Established in 2013, TVbeat provides a comprehensive TV Inventory Management & Yield Optimization SaaS Framework designed for TV Inventory owners, giving such TV sell-side players the essential tools to succeed in the ever changing TV ecosystem. Our SaaS Framework solves key addressable and non-addressable TV requirements & challengesthrough provision of holistic measurement, forecasting, planning, order management and optimization capabilities and self-serve applications. Such features can be leveraged across owned & operated TV inventories, media partner inventory and acquired inventory from 3rd party sources (DSPs & exchanges). TVbeat’s solution is being used successfully in the United States, United Kingdom, Canada, Ireland, France, Africas, Spain, Belgium, Middle East, Scandinavia to name a few. All of this is achieved by a world class team of engineers, data scientists, product managers and client support staff. Our offices are located in New York, London and Zagreb.
• Eurosender — Eurosender is the digital platform for companies and individuals looking for a unified solution for global logistics processes. Eurosender comprises a wide variety of logistics services in different geographies.

Portfolio highlights

• Fence — At Fence, we're transforming the way debt facilities are managed. We are the Operating System for your debt facility, reducing the amount of resources spent in back-office operations and letting teams focus on what matters.Our platform, built on blockchain technology, offers a Software as a Service (SaaS) solution that simplifies andautomate debt facility operations. Whether you're a capital provider or an asset originator, Fence leads you toward a smarter financial future.For capital providers, our platform enables internet-native debt solutions and real-time portfolio insights, enhancing your credit investment monitoring. With Fence, you stay ahead, making informed decisions for success. Asset originators benefit from enhanced capital efficiency and reduced operational costs, thanks to Fence's automation. We seamlessly integrate debt facilities into your tech stack and provide on-demand programmable debt, giving you unprecedented control over the capital you borrow.
• qomodo — Qomodo: La piattaforma BNPL innovativa. Rate a tasso zero, approvazioni veloci, transazioni sicure. Rivoluzionaria nell'acquisto per aziende e consumatori.
• ReportAId — ReportAId is an AI-powered software that breathes life into medical reports to make healthcare more organized, customized, and accessible.

Portfolio highlights

• Habito — We're the Treating Customers Fairly Champion of 2023 as voted for in the British Bank Awards. We're here to make mortgages easier - no paperwork, no stress and no fees.
• Lassie — AI that runs the doctor's office.
• Lightyear — Lightyear is a simple and approachable way to invest your money globally without unnecessary barriers and fees.

Portfolio highlights

• NavierAI — Navier AI CFD platform allows aerospace and mechanical engineers to design high-performance machines with ease.
• Chiral — Next-generation electronics with nanomaterials
• Karavela — Karavela is a company developing a "foundation model" of the human brain using large-scale brain imaging data (like MRI) and AI.

Portfolio highlights

• Brami — We make delicious snack products using lupini beans, a Mediterranean legume snack packed with plant protein and fiber, but low in calories, carbs and sugar. Conquer hunger. Feel good.
• Seat Unique — Seat Unique is an online marketplace to buy official hospitality packages and VIP tickets to live sports, music, and cultural events.
• Oxford Quantum Circuits — Oxford Quantum Circuits developing technology using the power of quantum to do things which have never been achieved before, from enabling life-changing drug discoveries to developing new battery technologies.

Portfolio highlights

• HappyRobot — Happyrobot is the AI that extracts quantitative data from geospatial imagery with English queries
• Rhino — Rhino.ai is an enterprise AI platform delivering intelligent automation solutions, AI workflow optimization, and scalable machine learning systems that transform operations and accelerate business growth.
• ThreatLocker — Cybersecurity Tools, Application Whitelisting, Ringfencing | ThreatLocker Inc

Portfolio highlights

• DTX TECHNOLOGIES — Based on our previous experience in ITS we plan to continue the work and focus on development of industrial SCADA software solution for intelligent traffic management. Significant part would be moving the our solution to Azure cloud and making its architecture microservice based. Next important part would be to add the AI model to it, trained on 10years of gathered traffic data which would be utilized for traffic management optimization and replacement of personel in traffic management center

Portfolio highlights

• Gideon — Gideon is a robotics and AI company specializing in automating complex material handling processes for logistics, warehousing, manufacturing, retail, and other industries. The company is transforming the loading bay with TREY—its autonomous forklift purpose-built for trailer loading and unloading, one of the most challenging tasks in logistics.Powered by (Physical) AI and computer vision, Gideon’s autonomous mobile robots operate safely in dynamic, unstructured environments, working alongside people and equipment to boost efficiency, reduce manual labor, and improve workplace safety. With operations in Croatia and the USA, Gideon serves customers across North America, the UK, and Ireland. Its solutions help businesses address labor shortages, rising logistics demands, and operational inefficiencies through flexible automation and real-time workflow orchestration.
• Gideon Brothers — Gideon Brothers develops autonomous, mobile, collaborative and modular robots for unstructured, indoor, human industrial environments. They are one of the largest robotics engineering companies in Central and Southeastern Europe. Founded in 2017, the company is headquartered in Zagreb, Croatia.

Portfolio highlights

• Gideon — Gideon is a robotics and AI company specializing in automating complex material handling processes for logistics, warehousing, manufacturing, retail, and other industries. The company is transforming the loading bay with TREY—its autonomous forklift purpose-built for trailer loading and unloading, one of the most challenging tasks in logistics.Powered by (Physical) AI and computer vision, Gideon’s autonomous mobile robots operate safely in dynamic, unstructured environments, working alongside people and equipment to boost efficiency, reduce manual labor, and improve workplace safety. With operations in Croatia and the USA, Gideon serves customers across North America, the UK, and Ireland. Its solutions help businesses address labor shortages, rising logistics demands, and operational inefficiencies through flexible automation and real-time workflow orchestration.
• Gideon Brothers — Gideon Brothers develops autonomous, mobile, collaborative and modular robots for unstructured, indoor, human industrial environments. They are one of the largest robotics engineering companies in Central and Southeastern Europe. Founded in 2017, the company is headquartered in Zagreb, Croatia.

Portfolio highlights

• Hybrid — Hybrid is a fintech company that offers a decentralized central AI tool with Web3's ecosystem of AI experts, agents, and data.
• Kaskade Finance — Kaskade finance solves the cold start liquidity problem.

Portfolio highlights

• Cell Type — We're building the agentic drug company. Foundation models + AI agents that simulate human biology to discover drugs. Backed by Y Combinator (W26).
• Merge Labs — Merge Labs is a brain-computer interface startup that aims to compete with Neuralink and integrate human cognition with AI.
• Constellation Space — We are building the OS for Space. Backed by @ycombinator and @nvidia.

Portfolio highlights

• GAMES.GG — Discover 1,500+ games with honest reviews, expert guides, and daily gaming news across PC, console, and mobile. Find your next favorite game on Steam, Epic Games, PlayStation, Xbox, and Nintendo.
• Hybrid — Hybrid is a fintech company that offers a decentralized central AI tool with Web3's ecosystem of AI experts, agents, and data.
• Plena Finance — Start investing in crypto with just $1

Portfolio highlights

• Hawksight — Hawksight provides a protocol that optimizes yield on Solana DeFi. It offers a concentrated liquidity yield optimizer with self-custodial and automated market-making strategies. Users can earn optimized yields from Solana's top DeFi protocols and manage their positions in one platform. Hawksight aims to build Solana's largestdecentralized finance yield aggregator protocol.
• Hybrid — Hybrid is a fintech company that offers a decentralized central AI tool with Web3's ecosystem of AI experts, agents, and data.
• Liquorice — We're thrilled to announce our $1.2M pre-seed round, led by @greenfield_cap and with participation from @l2iterative, @polymorphiccap, @HoradrimCapital, and @HASHCIB. Angel investors include founders from @1inch.

Portfolio highlights

• Mantil — Serverless development kit for Go and AWS Lambda

Portfolio highlights

• Entangle Protocol — Connect data, assets, and more with Entangle's fast and fully customizable interoperability primitives.
• Privasea — Privasea is a company that provides global clients with tailored computing and data sharing solutions that conform to security standards while allowing user to use all of data, including sensitive types.
• Hybrid — Hybrid is a fintech company that offers a decentralized central AI tool with Web3's ecosystem of AI experts, agents, and data.

Portfolio highlights

• Oxla — Meet Oxla, the world's fastest-distributed database, designed to handle large amounts of data with ease.
• XUND — Answer the most important health questions with AI-powered technology from XUND. Medically certified and CE marked.
• ALTEO — ALTEO offers energy investments, energy production, and trading services. They engage in the production and trade of energy using natural gas and renewable energy sources, as well as energy services and development that are suited to the demands of certain corporations. The business offers energy supply based on the responsible use of renewableenergy to its clients, which include both small and large organizations.

Portfolio highlights

• Wultra — Wultra helps the leading banks and fintech companies to secure their digital systems and bring trust to the customer journeys. Our security-related software technologies cover the whole digital banking application stack, be it on the web or mobile platforms.
• Definic — 66% of IT projects fail. Not because of technology, but because you picked the wrong vendor. Definic replaces guesswork and fragmented workflows with one connected platform, from defining the problem to managing the right vendors at scale.
• Grid.online — Grid.online is building transportation infrastructure as a service that will unlock the huge free transportation capacity of cities and allow it to be shared efficiently.

Portfolio highlights

• Yenmo — Unlock instant funds with India's best loan against mutual funds starting from 9.89% interest rate. Quick online approval, zero hidden charges, and no foreclosure fees.
• Olio Labs — Olio Labs utilizes AI for combo therapeutics, optimizing and minimizing side effects through automated discovery of protein interactions.
• Creasallis — The creative antibody solutions company

Portfolio highlights

• Bioptimus — Our mission is to build the first universal AI foundation model for biology to fuel breakthrough discoveries and accelerate innovations in biomedicine and beyond.
• Pesto — Pesto is a fintech startup that offers Pesto Mastercard, an asset-backed secured credit card. Pesto Mastercard is making credit more affordable, even if you don’t have an excellent credit history or a good credit score.
• Evolv AI — Evolv AI is the first AI-led experience optimization platform that recommends, builds, deploys and optimizes testing ideas for you.

Portfolio highlights

• OneTo11 — OneTo11 is a blockchain gaming ecosystem that provides fantasy sports gaming application based on community building.
• Hybrid — Hybrid is a fintech company that offers a decentralized central AI tool with Web3's ecosystem of AI experts, agents, and data.
• Nest Arcade — Casual WEB3 NFT Game

Portfolio highlights

• Gideon — Gideon is a robotics and AI company specializing in automating complex material handling processes for logistics, warehousing, manufacturing, retail, and other industries. The company is transforming the loading bay with TREY—its autonomous forklift purpose-built for trailer loading and unloading, one of the most challenging tasks in logistics.Powered by (Physical) AI and computer vision, Gideon’s autonomous mobile robots operate safely in dynamic, unstructured environments, working alongside people and equipment to boost efficiency, reduce manual labor, and improve workplace safety. With operations in Croatia and the USA, Gideon serves customers across North America, the UK, and Ireland. Its solutions help businesses address labor shortages, rising logistics demands, and operational inefficiencies through flexible automation and real-time workflow orchestration.

Portfolio highlights

• Mantil — Serverless development kit for Go and AWS Lambda
• Farseer — Farseer is helping companies eliminate manual work, improve accuracy and security, as well as gain new insights in the domain of financial planning and analytics. They specialized in finances, with the robustness of a web application amplified by predictive features.

Portfolio highlights

• Findery — Find and leave notes anywhere in the world, discover local knowledge, hidden secrets, and exciting stories. Share your travel knowledge, geoblog, or local news!
• Facility — Flexkeeping is a Hotel Operations Platform designed to help teams automate and collaborate like never before.
• Polaron — Material Design. Supercharged with AI.

Portfolio highlights

• Hybrid — Hybrid is a fintech company that offers a decentralized central AI tool with Web3's ecosystem of AI experts, agents, and data.
• Bitlight Labs — Make Bitcoin Smart
• Pheasant Network — AI-Powered DeFi Super App for Cross-chain Intent.

Portfolio highlights

• Novastro — Building the PayFi layer for stablecoin-powered payments, settlement, and real onchain financial utility.
• InterSwap — InterSwap Labs enables secure and seamless swaps of native assets across multiple blockchain networks with a single transaction, eliminating the need for intermediary chains or bridges. It offers bridgeless liquidity unification and transportation across EVM, Cosmos, Solana, and Bitcoin. Built on the Axelar network, InterSwap Labs is the firstfully composable native asset cross-chain Automated Market Maker (AMM) with unified liquidity.
• Hybrid — Hybrid is a fintech company that offers a decentralized central AI tool with Web3's ecosystem of AI experts, agents, and data.

Portfolio highlights

• Voxel — Eliminate near-misses and stop injuries before they happen. Teach your security cameras to detect safety hazards and inefficiencies in real-time.
• Gideon — Gideon is a robotics and AI company specializing in automating complex material handling processes for logistics, warehousing, manufacturing, retail, and other industries. The company is transforming the loading bay with TREY—its autonomous forklift purpose-built for trailer loading and unloading, one of the most challenging tasks in logistics.Powered by (Physical) AI and computer vision, Gideon’s autonomous mobile robots operate safely in dynamic, unstructured environments, working alongside people and equipment to boost efficiency, reduce manual labor, and improve workplace safety. With operations in Croatia and the USA, Gideon serves customers across North America, the UK, and Ireland. Its solutions help businesses address labor shortages, rising logistics demands, and operational inefficiencies through flexible automation and real-time workflow orchestration.
• Gideon Brothers — Gideon Brothers develops autonomous, mobile, collaborative and modular robots for unstructured, indoor, human industrial environments. They are one of the largest robotics engineering companies in Central and Southeastern Europe. Founded in 2017, the company is headquartered in Zagreb, Croatia.

Portfolio highlights

• MarkeDroid — Turn sites into intelligent power plants The world's most adaptable AI-powered Energy Orchestration Platform. Google Play App Store Our customers participate
• mu-ray.tech — Mu-ray.tech is focused on advancing the field of medical diagnostics and industrial quality control. mu-ray.tech is developing a groundbreaking technology for the rapid, safe and accurate 3D-imaging of the chemical composition of scanned objects, serving critical needs in industrial quality control and medical diagnostics. The technology is basedon Muon Beam Imaging (MBI), an innovative technology leveraging Laser Plasma Accelerator-based artificial muon sources, new generation particle detector systems and AI. In industry, we are working with the partners in the heavy, aerospace, and defence domains.mu-ray.tech operates at the three sites: DESY in Hamburg (hardware), Tehnopol in Tallinn (algorithms and software), and Bradfield Centre in Cambridge (algorithms, business development). Our main collaboration on the MBI technology partners are GScan in Estonia and UK, DESY in Hamburg, the University of Cambridge, and KBFI in Tallinn.
• Gideon Brothers — Gideon Brothers develops autonomous, mobile, collaborative and modular robots for unstructured, indoor, human industrial environments. They are one of the largest robotics engineering companies in Central and Southeastern Europe. Founded in 2017, the company is headquartered in Zagreb, Croatia.

Portfolio highlights

• Hybrid — Hybrid is a fintech company that offers a decentralized central AI tool with Web3's ecosystem of AI experts, agents, and data.
• Plena Finance — Start investing in crypto with just $1

Portfolio highlights

• Mantil — Serverless development kit for Go and AWS Lambda

Portfolio highlights

• Hybrid — Hybrid is a fintech company that offers a decentralized central AI tool with Web3's ecosystem of AI experts, agents, and data.
• Plena Finance — Start investing in crypto with just $1

Portfolio highlights

• EWOR — EWOR is a platform dedicated to transforming aspiring entrepreneurs into successful startup founders through world-class education, mentorship, and investment opportunities.
• Climate X — Climate X combines climate science and econometrics to deliver precise climate risk data without any black boxes.
• Rhizocore Technologies — We develop high-performance strains of locally-sourced mycorrhizal fungi to improve tree growth, tree health and tree resiliency. We offer a sustainable solution to increase forest yields whilst improving the ability of trees to sequester carbon.

Portfolio highlights

• Splab — Handle everything from marketing to buyer matching, even without a full team. We cover: multi-stakeholder bookkeeping, virtual & physical events registration management, event tech setup, matchmaking, ticket sales & marketing, and post-event reporting.
• Nitra — Nitra offers expense management software that integrates with the banks to provide innovative loan products.
• Pierrot Company — Pierrot Company is a Korea-based circular commerce company focused on extending the lifecycle of IT devices through subscription, asset recovery, and cross-border trade. The company operates phoneGO, a device subscription service for consumers and businesses, and reGO, a service that helps organizations recover and monetize idle IT assets.Building on these operating data and supply networks, Pierrot Company is also developing reGO Trade, a global infrastructure layer for used IT device pricing, discovery, and transaction enablement. The company aims to improve transparency, liquidity, and reuse in the fragmented secondary market for electronics while reducing unnecessary e-waste.By combining operational know-how, market data, and international buyer networks, Pierrot Company is building a more efficient and scalable circular economy for IT assets.

Portfolio highlights

• nPlan — AI that forecasts project outcomes, creates scenarios of the future and helps mitigate risk across single projects and portfolios. Trained on over 750,000 past programmes.
• Stream — Stream is a financial services firm that allows employees to stream their earned wages into their accounts through an instant app. The app allows them to have complete control over when they get paid. It also effectively ends the need for employee advances, loans, and employee stress suffered from short-term, unplanned financial obligations. Thecompany aims to play a key role in reducing the poverty premium and preventing employees from entering cycles of debt caused by overdraft fees, high-interest credit, or payday loans.
• Dataform — Develop and operationalize scalable data transformations pipelines in BigQuery using SQL.

Portfolio highlights

• Hybrid — Hybrid is a fintech company that offers a decentralized central AI tool with Web3's ecosystem of AI experts, agents, and data.

Portfolio highlights

• UNIT AI — Simplify ecommerce fulfillment with AI-powered robotic inventory systems. 12x cheaper, plug-and-play, <12 month ROI. Transform single-item logistics.
• Walden Robotics — Walden Robotics is an industrial robotics company that builds and deploys general-purpose, semi-humanoid robots for manufacturing and logistics.
• Xnrgy Climate Systems — Xnrgy Climate Systems is an engineering and manufacturing company that provides air treatment systems for data centers, and industrial institutional buildings. They provide air systems and air handlers incorporating energy recovery technologies, cooling, heating coils, fans, and humidification systems.