Top 25 Medical Startup Investors in Bulgaria (August 2026)

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

• Moss — Moss is a technology-based payment and credit card platform that enables companies to optimize their finances. Thanks to a dynamic and up to 10x higher limit, our corporate credit card can handle even the highest spend. With virtual and physical credit cards, the entire team can spend easily and securely. Individual spending limits and real-timedata per card, merchant or team keep costs under control. The Moss app makes it easy to digitize receipts, including cost center and VAT assignment. At the end of the month, all data and documents can be exported to any accounting software.
• Bits Technology — Bits Technology connects data sources & orchestrates workflows for financial tech services.
• Black Forest Labs — Official Account: https://t.co/iF047jr0Yg @bfl_ai

Portfolio highlights

• Ultralytics — Simpler. Smarter. Further.
• Flinn — We are driven to impact the health of millions of people around the globe by enabling medical companies to launch and operate products more efficiently. To make this vision come true, we established a customer-centric, experimentation-driven product development approach.
• Graph Therapeutics — Graph Therapeutics - precision immunology

Portfolio highlights

• Exein — Exein develops embedded cybersecurity solutions designed to secure Internet of Things (IoT) and connected devices. The company provides a platform that integrates security directly into the firmware of embedded systems, enabling real-time threat detection, monitoring, and response. Exein’s technology focuses on runtime protection and behavioranalysis at the edge, helping manufacturers secure devices without requiring major hardware changes or external software agents. Its solution is compatible with widely used real-time operating systems (RTOS) and Linux-based environments, allowing for flexible integration across different devices. The company also offers tools for vulnerability assessment and threat intelligence tailored for firmware-level defense. Exein supports developers with APIs and SDKs to incorporate security features during the product development phase. Through its platform, the company addresses growing security risks in critical sectors such as automotive, industrial automation, and consumer electronics.
• Fleek — Fleek is a B2B Wholesale Marketplace for second-hand fashion. Our buyers are vintage stores and online resellers; our suppliers are used clothing wholesalers, rag-houses, and donation centres.
• Ore Energy — Ore Energy is creating a new generation, cost effective, long-duration energy storage solution which will enable a decarbonized energy future by utilizing some of the most readily available materials

Portfolio highlights

• Flinn — We are driven to impact the health of millions of people around the globe by enabling medical companies to launch and operate products more efficiently. To make this vision come true, we established a customer-centric, experimentation-driven product development approach.

Portfolio highlights

• Tromero — Tromero - cost effective Machine Learning Training & Hosting
• Cardino — Cardino - Verkaufen Sie Ihr E-Auto digital zum besten Preis. Entdecken Sie die einfache und bequeme Art, Ihr Elektroauto online zu verkaufen.
• Flinn — We are driven to impact the health of millions of people around the globe by enabling medical companies to launch and operate products more efficiently. To make this vision come true, we established a customer-centric, experimentation-driven product development approach.

Portfolio highlights

• FindMeCure — This is the Google of Clinical Trials. Find suitable treatments in development and apply for participation within minutes. Search now.

Portfolio highlights

• Flinn — We are driven to impact the health of millions of people around the globe by enabling medical companies to launch and operate products more efficiently. To make this vision come true, we established a customer-centric, experimentation-driven product development approach.

Portfolio highlights

• Finovox — Finovox provides a solution for detecting false documents. They offer investigative tools to analyze, understand, and explain fraud. Additionally, they provide users with hard evidence of fraud.
• Artificial Labs — Build your future placement and underwriting strategy with Artificial's pioneering technology.
• Stoa Corporation — Unlock perks when you save. Saving, reimagined - get high-value perks upfront, not small bank interest.

Portfolio highlights

• FindMeCure — This is the Google of Clinical Trials. Find suitable treatments in development and apply for participation within minutes. Search now.

Portfolio highlights

• Magfi — A search engine that analyzes communities into WhatsApp, Telegram, and Discord with AI, ML, and NLP and places ads with micro-targeting.
• Visibilio — At Visibilio, we are at the forefront of a seismic shift in how companies connect with their clients. Our mission is simple: to empower companies, organizations, and individuals to seamlessly create, repurpose, and distribute meaningful content—turning their audiences into loyal clients. We believe that building your own audience shouldn’t be hardor expensive, and is much more efficient compared to buying it from platforms like Google/Facebook.Who We AreVisibilio was founded by a team of experienced professionals: Alexei Lazarov, former editor-in-chief of Bulgaria’s leading business media Capital; Zoran Arsovski, a marketing professional, entrepreneur, and investor; and Stoyan Kondev, a skilled software developer and BPM consultant. Together, they bring a unique blend of editorial expertise, business acumen, and technological innovation to drive transformative change.What We Do (And Why)Visibilio builds an AI-powered agentic workforce that transforms the way content is created and distributed. With our swarms and constelations of AI agents, telling interesting stories and building loyal audiences is no longer time-consuming or costly. We believe that the way people consume information and how businesses connect with clients is undergoing a profound transformation. In the coming years, it will be essential for companies to think like publishers—creating consistent, meaningful content, building their own audiences, and converting them into loyal customers.At Visibilio, we are developing the tools to make this shift seamless, helping businesses save time, effort, and resources while staying ahead in an evolving digital landscape.
• Native Teams — Hire anyone, anywhere with Native Teams. Use EOR and PEO services to employ global talent or get compliant employment as a freelancer.

Portfolio highlights

• FindMeCure — This is the Google of Clinical Trials. Find suitable treatments in development and apply for participation within minutes. Search now.

Portfolio highlights

• Flinn — We are driven to impact the health of millions of people around the globe by enabling medical companies to launch and operate products more efficiently. To make this vision come true, we established a customer-centric, experimentation-driven product development approach.

Portfolio highlights

• Flinn — We are driven to impact the health of millions of people around the globe by enabling medical companies to launch and operate products more efficiently. To make this vision come true, we established a customer-centric, experimentation-driven product development approach.

Portfolio highlights

• Kertos — Kertos is a software company that develops and provides a holistic compliance platform in Europe, implementing automation and execution in a highly regulated environment focusing on the operational needs for all stakeholders involved. With their focus on product, integration, and automation they enable businesses to scale, to adopt and to maneuverin modern tech environments with only a fraction of the current workload. They drive consumer engagement and help companies to interact with their customers in sensitive matters.
• Flinn — We are driven to impact the health of millions of people around the globe by enabling medical companies to launch and operate products more efficiently. To make this vision come true, we established a customer-centric, experimentation-driven product development approach.
• Olivaw Robotics — Welcome to Olivaw, the ultimate solution for managing and upskilling your robot fleet. Explore how Olivaw can optimize your operations.

Portfolio highlights

• FindMeCure — This is the Google of Clinical Trials. Find suitable treatments in development and apply for participation within minutes. Search now.

Portfolio highlights

• nFuse.ai — nFuse scales your B2B sales with AI. Up to 30% revenue uplift, $1 per order processing cost, live in 30 days. No new apps, no behavior change.
• OfficeRnD — OfficeRnD helps flex space operators and hybrid teams manage the workplace of the future. Book your demo or start a free 14-day trial.
• Nanogram — Nanogram is an AI-powered gaming startup that creates an instant prompt-to-game platform, allowing anyone to build and share interactive short-form video games. Frequently described as "TikTok for mobile games," the company delivers an endless, vertical social feed of byte-sized, zero-download games that players swipe through and playinstantly.

Portfolio highlights

• Flinn — We are driven to impact the health of millions of people around the globe by enabling medical companies to launch and operate products more efficiently. To make this vision come true, we established a customer-centric, experimentation-driven product development approach.
• QuantHealth — QuantHealth is an AI company that provides a platform to simulate clinical trials in order to accelerate and de-risk drug development.

Portfolio highlights

• FindMeCure — This is the Google of Clinical Trials. Find suitable treatments in development and apply for participation within minutes. Search now.

Portfolio highlights

• Flinn — We are driven to impact the health of millions of people around the globe by enabling medical companies to launch and operate products more efficiently. To make this vision come true, we established a customer-centric, experimentation-driven product development approach.

Portfolio highlights

• Flinn — We are driven to impact the health of millions of people around the globe by enabling medical companies to launch and operate products more efficiently. To make this vision come true, we established a customer-centric, experimentation-driven product development approach.
• Atlas Metrics — The single source of truth for your ESG data
• Hive Robotics — Hive Robotics GmbH is developing scalable, cutting-edge technology designed to safely and securely command, control, and connect any type of robot or unmanned system, enabling advanced swarming and teaming capabilities across a wide range of operational environments, from industrial automation to defense and disaster response.

Portfolio highlights

• Hero — Hero is a B2B payments and financing platform, offer direct online payment experience and receive your money immediately.
• Otterspace — Otterspace is an NFT company that aims to use earned NFTs rather than purchased NFTs to reward and recognize participation in decentralized autonomous organizations (DAOs). Its non-transferable badge protocol assists DAOs in developing more effective incentive systems, automating permissions, and enabling non-financialized governance.
• Flinn — We are driven to impact the health of millions of people around the globe by enabling medical companies to launch and operate products more efficiently. To make this vision come true, we established a customer-centric, experimentation-driven product development approach.

Portfolio highlights

• Flinn — We are driven to impact the health of millions of people around the globe by enabling medical companies to launch and operate products more efficiently. To make this vision come true, we established a customer-centric, experimentation-driven product development approach.
• Dunia Innovation — Catalysing the energy transition.
• silana — Technology to revolutionize fashion - economical, ecological and social

Portfolio highlights

• Flinn — We are driven to impact the health of millions of people around the globe by enabling medical companies to launch and operate products more efficiently. To make this vision come true, we established a customer-centric, experimentation-driven product development approach.
• Vital Care — Vital Care specializes in providing infusion therapy services.

Portfolio highlights

• Sendance — Sendance develops and sells electronics and sensors on permeable, stretchable, and structurally adapted substrates. Permeability and structural adaptation enable the integration of sensors in areas where this was previously not possible.
• Flinn — We are driven to impact the health of millions of people around the globe by enabling medical companies to launch and operate products more efficiently. To make this vision come true, we established a customer-centric, experimentation-driven product development approach.