Startup directory in Europe
Browse startup organisations across Europe. Each entry links to its country, city, and sector pages.
Showing 741–760 of 1189 Startup
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Omixon
Molecular diagnostics company developing next-generation sequencing assays and software for HLA typing in transplantation, including the Holotype HLA and NanoTYPE systems for clinical labs.
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Omnea
Omnea is a London-based procurement and spend management software company founded in 2022 by ex-Tessian executives Ben Freeman (CEO) and Ben Allen (CTO). Its AI-native platform provides a single front door where employees can make procurement requests in natural language, then orchestrates workflows across finance, legal, risk and IT, automating the full supplier lifecycle from intake and approvals to third-party risk management and renewals. The platform includes no-code workflow builders, supplier onboarding portals, RFx event management and integrations with hundreds of systems. Customers include Spotify, Wise, MongoDB, Adecco and PayPal.
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Ondato
Ondato was founded in 2018 in Vilnius by Liudas Kanapienis and Andrej Vistorskij as a compliance and identity technology platform. It provides KYC, KYB, and AML solutions including digital identity verification, biometric authentication, business onboarding, fraud detection, and risk scoring. The company has raised €6.6 million in total funding and serves over 300 clients globally, with offices in Lithuania, the United Kingdom, and Poland.
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OneFootball
Berlin-based football media and technology platform founded in 2008, offering live scores, news, stats and streaming (OneFootball TV) across 200+ leagues to a global audience.
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Onfido
Onfido is a London-based identity verification company founded in 2012 that uses AI and biometric technology to help businesses verify user identities remotely. The platform combines document verification with facial biometrics to enable onboarding for financial services, sharing economy, healthcare, and other regulated industries. Onfido was acquired by Entrust in 2024 for approximately $400 million. Before the acquisition, the company had raised over $200 million and served customers including Revolut, Zipcar, and Bitstamp across 195 countries, processing millions of identity checks annually.
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OnSeason
OnSeason (formerly Flataway) is a traveltech platform for vacation-rental and hospitality property managers built around three products: an AI website builder that turns a plain-English business description into a professional, SEO-optimised direct-booking site in minutes; a conversion-focused booking engine; and a distribution network. It integrates with 40+ property management systems to cut dependency on OTAs like Airbnb and Booking.com.
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Ontotext
Ontotext is a Sofia-based semantic-technology company that builds GraphDB, one of the leading commercial RDF-native graph databases, together with a suite of text-analysis and knowledge-graph tools used by media organizations, pharmaceutical companies, intelligence agencies, and financial institutions to turn unstructured content into structured, queryable knowledge. The BBC famously used Ontotext's semantic platform to power its 2010 World Cup and 2012 Olympics sites — one of the earliest high-profile production deployments of a knowledge graph at a major media brand — and the company has since expanded into clinical research, drug discovery, and enterprise retrieval-augmented generation (RAG) pipelines where graph-structured knowledge is paired with LLMs. Founded in 2000 as a spin-off from Sirma Group, Ontotext is a rare example of a deep, patient, deep-tech European knowledge-engineering company that predated the current AI wave and is now a load-bearing piece of several enterprise RAG stacks.
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OnTruck
OnTruck is a digital road-freight marketplace connecting shippers with truck operators, with instant pricing, real-time tracking and automated payments. It focuses on short-haul routes and uses AI to cut empty kilometres and emissions across Spain and France.
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Onum
Onum is a real-time telemetry-pipeline platform that ingests, enriches, filters and routes large volumes of security and observability data before it reaches a SIEM or data lake, cutting storage costs and speeding incident response. Acquired by CrowdStrike in 2025.
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Open Mercato
Open-source, AI-native commerce and operations framework co-founded in 2025 by Piotr Karwatka (creator of Vue Storefront / Alokai) and Tomasz Karwatka (founder of Divante). It provides modular infrastructure for building custom commerce, ERP and finance software with AI-assisted engineering, combining SaaS speed with bespoke flexibility.
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Oplane
Agentic security platform that automates threat modelling for engineering teams using AI coding tools like Cursor and GitHub Copilot. Continuously maps codebase architecture, flags security risks and delivers contextual remediations in developer workflows; in production at Miro and Tandem Health.
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Optitog
Optitog (Optitog ehf.) is a Reykjavik-based fishing gear technology company, headquartered at the Ocean Cluster House, developing the Virtual Trawl, a patented light-beam system that herds prawn off the seafloor with less than 0.5% bottom contact, replacing conventional trawl doors and ground gear. The technology reduces towing resistance and fuel consumption, cuts unwanted bycatch, and avoids seafloor habitat damage compared with conventional bottom trawling for prawn fisheries.
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Orange Fiber
Orange Fiber is an Italian materials company that turns citrus juice by-products from Italy's food industry into a sustainable textile fabric. It has collaborated with fashion brands including Salvatore Ferragamo, H&M and E. Marinella, and its work has been exhibited at institutions such as the V&A Museum and featured in the Green Carpet Fashion Awards.
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Orbio Earth
Orbio Earth is a German climate-tech company providing satellite-based methane-emissions monitoring for the financial and energy sectors, helping operators detect leaks and prioritize emissions-reduction opportunities ahead of incoming regulation. Its platform delivers real-time measurement data for oil and gas infrastructure to support compliance and portfolio-risk management.
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Orbital Materials
Orbital Materials is a London-based AI startup applying foundation models to materials science, with a focus on designing novel carbon-capture sorbents, thermal management materials, and clean-energy components. Founded by former DeepMind researchers, the company developed LINUS, a large-scale generative model for atomic structures that can predict material properties and propose new compositions. Orbital has raised over $22 million from investors including Khosla Ventures and Radical Ventures. The company bridges the gap between AI research and physical-world climate technology, representing a new class of UK deep-tech ventures using machine learning for industrial decarbonization.
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Orderlion
Orderlion is a B2B ordering platform for food and beverage wholesalers, offering an ordering app, web shop, AI-powered sales inbox and analytics, plus integrations with over 200 ERP and technology providers. It serves wholesale suppliers across categories such as fruit and veg, drinks, cash and carry, meat, seafood and chilled or frozen goods, with case studies from customers in catering-trade and foodservice distribution.
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Origin Robotics
Origin Robotics is a Latvian defence-tech company founded in 2022 by Agris Kipurs and Ilja Nevdah in response to Russia's invasion of Ukraine. The company develops advanced autonomous UAV systems combining AI computer vision with cost-effective hardware. Its flagship BEAK system is a man-portable, mid-range precision-guided weapon with a 15 km reach already deployed by Latvian and Ukrainian armed forces, while BLAZE is an autonomous counter-UAS interceptor using radar and AI vision. Origin has raised €4 million in pre-seed funding led by Change Ventures and secured an additional €4.5 million European Defence Fund grant.
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Orqa
Orqa is an Osijek-based hardware company that builds high-performance FPV (first-person-view) goggles, video transmission systems, and drone software used by professional drone racers, industrial inspection teams, cinematography crews, and — increasingly — military users in Ukraine and elsewhere who need low-latency remote flight at scale. The company's flagship FPV.One family of goggles became a reference product in the high-end racing scene for its micro-OLED displays, refresh rates, and firmware openness, and the team has since expanded into digital HD video links and open FPV platforms. Orqa runs a full electronics design and manufacturing operation out of Slavonia, which is unusual in a region better known for software, and has become a visible example of defense-and-dual-use hardware built on a European open supply chain. For the directory it rounds out Croatia's industrial-tech picture alongside Rimac's automotive deep tech and Infobip's telecom infrastructure.
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Otilus
A fully French project-management SaaS (published by Agence Ici) combining Kanban, the Eisenhower matrix, GTD, Gantt charts, automated task-distribution scenarios and performance indicators in one tool designed to reduce cognitive load. It targets SMEs and growing teams wanting a simpler, European-hosted alternative to Asana, Jira or Monday.
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Otrium
Otrium is an Amsterdam-based e-commerce company founded in 2016 that runs an online fashion outlet marketplace, giving premium and designer brands a dedicated channel to sell past-season and surplus stock to consumers instead of destroying or heavily discounting it in stores. It combines a curated shopping experience with data tools that help brands manage end-of-season inventory more sustainably.
