Madrid, Spain · Accelerator Founded in 2005, Adara Ventures is a Madrid-based deep tech VC managing over EUR 200M across four funds. The firm invests EUR 1-5M at Series A in cybersecurity, applied AI, cloud infrastructure, and enterprise software across Europe. Its AV4 fund targets EUR 100M for next-generation digital infrastructure. Notable portfolio companies include Countercraft (acquired by Thales), Devo Technology, and Nearby Computing. Adara brings deep technical expertise and supports founders in navigating complex enterprise sales cycles.
Warsaw, Poland · Event AWS Community Day Poland 2026 is a community-run conference for AWS cloud builders, developers, and architects, held at Multikino in Złote Tarasy, Warsaw. It features talks across multiple screening-room stages on AWS cloud, serverless, and DevOps topics, plus hands-on sessions and networking, and is organised by AWS User Group community members rather than AWS itself, free to attend with registration.
Warsaw, Poland · Event Organisator Community-run AWS User Group in Poland that organises AWS Community Day Poland, a free conference for AWS cloud builders, developers, and architects. The volunteer organisers run talks, hands-on sessions, and networking on AWS cloud, serverless, and DevOps topics independently of AWS itself.
Riga, Latvia · Event BalticNOG 2026 is the annual Baltic Network Operators Group conference, moving to Riga for its next edition at the Radisson Blu Latvija Conference & Spa Hotel. It unites 400+ network engineers and internet-infrastructure professionals around routing security, IPv6 deployment, network automation, cybersecurity, cloud networking and regulatory developments, plus a new community-driven 'Skunk Works' format for tackling operational challenges.
Vilnius, Lithuania · Startup Application performance automation platform for Kubernetes that automates workload rightsizing, infrastructure scaling, cost optimization and self-healing across cloud environments. A Lithuanian unicorn serving 2,100+ companies.
Amsterdam, Netherlands · Event Large-scale IT and networking conference with training labs, cloud infrastructure sessions, and the World of Solutions expo. Price: about EUR 700 expo-only to EUR 2700 full conference. DevNet Zone is strong for developer founders and platform integrations.
Paris, France · Event Community-led cloud conference at CENTQUATRE-PARIS focused on practical engineering sessions over vendor marketing. Strong match for infrastructure startups and DevOps-first teams working on Kubernetes, platform tooling, and secure cloud operations.
Warsaw, Poland · Event Cloud Native Days Poland 2026 is a community conference centred on Kubernetes and cloud-native development, hosted at CIC Warsaw in Varso Tower. It brings together hundreds of developers, system engineers, and IT professionals from the CNCF and cloud-native community for talks, case studies, and networking.
Rust, Germany · Event Internet infrastructure event hosted at Europa-Park. Price: about EUR 400-600 standard (often free with codes), EUR 1200 VIP. Strong for hosting, cloud security, and SaaS infrastructure startups.
Warsaw, Poland · Event Organisator Community organisers behind Cloud Native Days Poland, a conference centred on Kubernetes and cloud-native development hosted at CIC Warsaw in Varso Tower. The event gathers developers, platform engineers, and IT professionals from the CNCF and cloud-native community for talks and networking.
Milan, Italy · Event One of Italy's largest developer conferences, bringing together 2,000+ software engineers for talks on cloud-native, AI/ML, DevOps, and frontend. Strong venue for developer tool startups and engineering employer branding.
Zagreb, Croatia · Event CollabDays Zagreb is a free, community-driven one-day technology conference held at Algebra University College in Zagreb. It focuses on Microsoft 365, Teams, SharePoint, the Power Platform and collaboration technologies, with expert talks and interactive sessions for developers, IT professionals and business users, run by volunteer speakers.
Madrid, Spain · Event One of Spain's largest community-driven developer conferences, with around 70 talks backed by 40 tech communities spanning web, mobile, cloud, architecture, and AI. Strong fit for technical founders and engineering teams wanting to recruit, learn current practice, and plug into Madrid's developer community.
Sofia, Bulgaria · Startup Cloud FinOps and governance SaaS that helps enterprises monitor, govern and optimise spend across Google Cloud, AWS and Azure using automated recommendations and AI-driven insights.
London, United Kingdom · Event Expo and conference at ExCeL London focused on cloud security, zero-trust architecture, and enterprise cyber resilience, co-located with major tech expos. Attracts CISOs, IT security teams, and solution buyers. Free expo passes available; paid passes about GBP 499-1099. Relevant for cybersecurity startups seeking enterprise and government clients.
Utrecht, Netherlands · Event The Netherlands' premier cybersecurity event at Jaarbeurs Utrecht, gathering security professionals, IT leaders, and solution vendors. A central exhibition-and-conference venue for cybersecurity startups selling into Dutch enterprise and government.
London, United Kingdom · Event Data centre infrastructure conference at ExCeL London exploring sustainable facilities, cloud infrastructure, and edge compute solutions. Brings together data centre operators, cloud providers, and infrastructure investors. Co-located with major tech expos for cross-sector networking. Relevant for startups in cooling tech, energy optimization, and edge computing.
Bucharest, Romania · Event DefCamp is the largest cybersecurity and hacking conference in Central and Eastern Europe, held at the Palace of the Parliament in Bucharest, with hands-on workshops running November 16-18. The 16th edition features world-class keynotes, live hacking competitions in the Hacking Village, and expert panels on AI threats, supply-chain security, and cloud security. It unites security researchers, professionals, and enthusiasts from across the region for networking and knowledge-sharing.
Sofia, Bulgaria · Event Bulgaria's largest developer community conference organized by DEV.BG, with 1,500+ developers attending talks on cloud-native, AI/ML engineering, frontend frameworks, and career growth. Sofia edition features 40+ speakers, a job fair, and workshops. Tickets from EUR 30.
Brno, Czech Republic · Event Free, annual community conference organized by Red Hat Czech Republic, focusing on open source, Linux, cloud, and containerization. Attracts 1,800+ developers to Brno's Faculty of Information Technology. An essential event for open-source startups and developer hiring in the CEE region.
Nantes, France · Event One of France's largest community developer conferences, two days of technical talks and workshops at the H Arena. Strong for developers and dev-tooling founders wanting depth and access to a large French developer audience.
Toulouse, France · Event A one-day community developer conference run by the Google Developer Group at the Diagora congress centre in Labège. For developers and technical founders in the Occitanie ecosystem it offers practical talks across cloud, AI, web, and mobile, plus regional networking.
Prague, Czech Republic · Event DevFest.cz is Prague's community developer conference, organised by the GUG.cz developer community (the local Google Developer Group). The 2026 edition runs as a single in-person day opening at 9:00 AM CET, with sessions spanning AI and machine learning, Android and Kotlin, web technologies, cloud and DevOps, Flutter and Dart, security, and open source.
Munich, Germany · Event Organisator Organizer of DevOpsCon conferences focused on cloud-native engineering, container orchestration, CI/CD pipelines, and modern software delivery practices. Held regularly in Munich and Berlin, the event attracts thousands of platform engineers and architects seeking hands-on workshops and case studies on scaling DevOps culture.
Munich, Germany · Event Major software engineering conference on cloud architecture, CI/CD, Kubernetes, observability, platform engineering, and secure DevOps practices. Valuable for DevTools startups targeting technical buyers and for startup teams recruiting senior backend and cloud talent.
Copenhagen, Denmark · Event Community-led DevOps and software operations conference in Copenhagen, attracting 300-400 practitioners for talks, workshops, and open-space discussions. Tickets cost about EUR 300-400. Covers CI/CD, observability, and platform engineering. Valuable for developer-tool startups seeking early adopters and community-driven product feedback in the Nordics.
Vilnius, Lithuania · Event DevOpsDays Vilnius is a community-run, non-profit technical conference focused on DevOps, software delivery, automation and the intersection of development and operations. The two-day program at the Kablys 2.0 venue combines 30-minute talks, 5-minute ignite sessions and participant-led open-space discussions, and is part of the global DevOpsDays series drawing engineers from across the Baltics.
Paris, France · Event Developer-first conference centered on software architecture, cloud systems, and modern engineering practices. Strong channel for DevTools and infrastructure startups building technical communities with senior engineers and CTOs.
Stockholm, Sweden · Event Stockholm's premier developer conference at Kistamässan, with 70+ international speakers across web development, architecture, AI/ML, and cloud.
Cluj-Napoca, Romania · Event The 9th Cluj edition at Cluj Innovation Park, expecting 2,500+ developers and 50+ speakers across three stages. A developer-heavy ecosystem and hiring venue in Transylvania's tech capital.
Bucharest, Romania · Event The largest IT conference in Romania, at Romexpo, with 160+ speakers across 14 stages. A major recruiting and ecosystem touchpoint for tech founders hiring or selling dev tooling in Romania.
Cologne, Germany · Event Deutsche Telekom's flagship digitalization event transforming downtown Cologne into a tech campus, featuring 300+ partners and 50,000+ attendees. Strong for B2B SaaS, IoT, cybersecurity, and cloud startups targeting SME digital transformation.
Dublin, Ireland · Event Two-day summit at the RDS in Dublin with around 8,000 attendees, 300+ speakers, and strong buyer presence from IDA-backed multinationals. Passes typically EUR 300-700 with startup rates available. Programming emphasizes B2B startup-to-enterprise partnerships across cloud, SaaS, fintech, and AI, a key pipeline for founders targeting Irish and UK buyers.
Ghent, Belgium · Event The annual conference of the EGI Federation, gathering digital and research-infrastructure providers, data scientists, and innovators to advance data-intensive science. Relevant for deeptech and research-spinout founders building on European compute infrastructure.
Warsaw, Poland · Startup Focus Telecom is a Warsaw-based cloud contact center and customer communications software provider that equips enterprise and mid-market teams with omnichannel support workflows spanning voice, email, chat, and SMS. The platform enables companies to build automated call routing, IVR systems, and agent productivity dashboards without on-premise infrastructure. Focus Telecom serves clients across Poland and Central Europe, particularly in financial services, utilities, and retail, where high-volume customer interaction management is critical. The company is one of Poland's established players in cloud communications infrastructure.
Istanbul, Turkey · Event One of the largest Google Developer Group events in Europe, drawing 1,500+ developers for sessions on Android, Flutter, cloud, and machine learning. Istanbul's massive developer community makes this a key hiring and community-building event for tech companies expanding to Turkey.
Warsaw, Poland · Startup Graftcode is a developer-infrastructure platform that removes APIs and middleware by letting applications in different programming languages call each other's methods directly via a proprietary binary protocol. A single command auto-generates and maintains the cross-language module, supporting ~14–20 languages across AWS, Azure and GCP.
Prague, Czech Republic · Event Organisator GUG.cz is the Czech Google Developer Group community and organiser of DevFest.cz, Prague's community developer conference. The volunteer-run organisation hosts meetups and an annual conference covering AI, Android, web, cloud, Flutter, security, and open source for the local developer community.
Kyiv, Ukraine · Event Part of the established fwdays conference series, focused on building and scaling high-load systems and infrastructure, running in a hybrid format with an in-person day in Kyiv plus online streaming. Relevant for technical founders and CTOs scaling engineering systems.
Kaunas, Lithuania · Startup Hostinger is a Kaunas-founded web hosting company launched in 2004 that has grown into one of the largest independent hosting providers globally, serving millions of customers across 150+ countries. The company offers shared hosting, cloud hosting, VPS, domain registration, and an AI-powered website builder at aggressively competitive price points. Hostinger is known for making web presence affordable for individuals, freelancers, and small businesses worldwide. With a strong engineering base in Lithuania and offices across multiple continents, the company is one of the Baltic region's most successful bootstrapped technology businesses.
Rovinj, Croatia · Event A three-day gathering of around 500 data and enterprise-IT experts from Croatia and abroad on the Red Island near Rovinj — one of the region's longest-running professional tech conferences. Relevant for founders working on data-heavy or Oracle-stack products.
Zadar, Croatia · Event Croatia's largest developer and tech conference organized by unicorn Infobip, held in the coastal city of Zadar. Attracts 2,500+ developers, CTOs, and tech founders for talks on cloud, AI, and communications technology. Tickets around EUR 200-400 with a strong community atmosphere.
Warsaw, Poland · Event Enterprise IT and B2B software conference with practical case studies and buyer-facing sessions. Useful for SaaS and cybersecurity startups seeking pilot contracts and distribution partnerships in Poland.
Rovinj, Croatia · Event The largest gathering of Java users in the region, jointly organised by HUJAK and HrOUG on St. Andrew's Island near Rovinj. A multi-day resort-format conference relevant to founders with JVM-heavy stacks and regional enterprise engineering hiring.
Coimbra, Portugal · Event Coimbra's flagship developer conference: technical sessions plus a hands-on workshop day across Java, JavaScript and TypeScript, cloud, AI and ML, security, and architecture. For technical founders and engineers who want practical depth and to connect with Portugal's developer community beyond the Lisbon–Porto axis.
Porto, Portugal · Event Billed as the biggest Kubernetes and cloud-native event ever held in Portugal — two days of keynotes, technical talks, and a sponsor expo at SuperBock Arena, run together with DevOps Days Portugal. For infrastructure-heavy startups and platform or DevOps engineers wanting deep cloud-native content and hiring reach in northern Portugal.
Warsaw, Poland · Person President of Hewlett Packard Enterprise Poland since 2022, with over two decades in senior technology leadership. She was previously managing director at SAP Poland, general manager at Xerox Poland and an enterprise director at Microsoft CEE.
Amsterdam, Netherlands · Event Flagship Kubernetes and cloud-native conference with a busy Startup Hall. Price: about EUR 1500 corporate, EUR 750 individual. Ideal for DevOps, observability, and container startups.
Luxembourg City, Luxembourg · Event Annual conference organized by LU-CIX (Luxembourg Commercial Internet Exchange) covering cloud infrastructure, cybersecurity, and data center innovation. Luxembourg hosts major EU data infrastructure and this event attracts 1,200+ IT professionals, CTOs, and digital infrastructure investors. Tickets from EUR 150-300.
Madrid, Spain · Event A large umbrella tech event with 27,000+ visitors, 470+ exhibitors, and 400+ speakers, bundling cloud and AI infrastructure, cybersecurity, big data, and e-commerce shows at IFEMA Madrid. For B2B SaaS and infrastructure founders it is an enterprise lead-generation and exhibitor venue targeting IT decision-makers.
Geneva, Switzerland · Person Chair and CEO of Salesforce, the enterprise cloud-software company he co-founded in 1999, and a prominent advocate for stakeholder capitalism and ethical technology. He is an announced speaker at the 2026 AI for Good Global Summit in Geneva.
Manchester, United Kingdom · Startup Matillion is a Manchester-based data integration and transformation platform founded in 2011 that enables enterprises to load, transform, and orchestrate data across cloud data warehouses and lakes including Snowflake, Databricks, Amazon Redshift, and Google BigQuery. The company raised over $300 million including a $150 million Series E at a $1.5 billion valuation. Matillion serves over 2,000 enterprise customers and is notable as one of the few UK tech unicorns headquartered outside London, representing Manchester's growing tech ecosystem.
Warsaw, Poland · Person Head of Google for Startups in Central and Eastern Europe, including the Google Campus in Warsaw, since 2019. One of Google's first employees in Poland, he has spent nearly two decades supporting the regional tech ecosystem through startup programmes and partnerships.
Berlin, Germany · Accelerator Ran 2013-2016 as part of Microsoft for Startups. Four-month cohort with expert mentorship, Azure credits, and investor connections. Support: coaching, cloud infrastructure, partner network. Scope: Global.
Zagreb, Croatia · Event Organisator MS Community (Udruga Informatičkih Stručnjaka) is a Croatian IT professionals association that organises community-driven, volunteer-run technology conferences. It runs CollabDays Zagreb, a free one-day event focused on Microsoft 365, Teams, SharePoint and the Power Platform for developers, IT professionals and business users.
Amsterdam, Netherlands · Accelerator Newion is an Amsterdam-based venture firm founded in 2000 by Jaap van Barneveld and Patrick Polak, and one of the Netherlands' most established early-stage B2B software investors. It backs seed and Series A rounds exclusively in business software across the Benelux, DACH and Nordic regions, managing roughly €300M across four funds — including Fund IV (€130M first close, 2022) backed by the European Investment Fund, BNP Paribas, PMV and Reggeborgh. Initial cheques range from €1M to €10M with reserves for follow-on.
Newion applies a hands-on 'controlled growth' philosophy, taking active board roles during the critical first 12–18 months after investment. Across 60+ companies it has cultivated three unicorns — Collibra (data governance, Belgium), Deliverect (food-tech SaaS, Belgium) and Parloa (conversational AI, Germany) — and recorded exits including airfocus (acquired by Lucid Software, 2025). The team is led by Managing Partner Mathijs de Wit with partners Pieter Welten and Dorus Olgers.
London, United Kingdom · Startup Nscale develops and operates AI-native infrastructure, including modular data center capacity optimized for high-density GPU workloads. The company focuses on sovereign and energy-efficient compute supply for enterprise and model providers, and has expanded rapidly through large infrastructure financing and strategic partnerships.
Prague, Czech Republic · Event Open Source Summit Europe is the Linux Foundation's premier vendor-neutral conference for the global open-source ecosystem, featuring keynotes, breakout sessions, and a Solutions Showcase. The 2026 edition is hosted in Prague, convening maintainers, developers, technologists, and community leaders shaping the future of open source, with co-located events on the preceding days.
Roubaix, France · Startup OVHcloud is Europe's largest cloud hosting provider, operating a global network of data centers offering dedicated servers, public cloud, private cloud, and web hosting services. Founded in 1999 by Octave Klaba, OVHcloud went public on Euronext Paris in 2021 and serves over 1.6 million customers worldwide. The company is a key pillar of European digital sovereignty, manufacturing its own servers and cooling systems to control costs and reduce dependency on US hyperscalers.
London, United Kingdom · Person Partner at Accel investing in cloud, SaaS, AI and security across Europe and Israel. He authors Accel's influential annual Euroscape report tracking the region's cloud and AI momentum.
Paris, France · Startup Scaleway is a European cloud provider and subsidiary of the Iliad Group, offering a full stack of cloud infrastructure including bare-metal servers, Kubernetes, object storage, managed databases, and GPU instances for AI workloads. Founded by Xavier Niel's Iliad, Scaleway positions itself as a sovereign European alternative to US hyperscalers, with data centers in Paris, Amsterdam, and Warsaw. The company is increasingly important for European organizations seeking GDPR-compliant cloud hosting.
Zadar, Croatia · Event Infobip's developer and product conference on the Adriatic coast, combining technical talks on messaging APIs, CPaaS, and cloud communications with a startup pitch competition and seaside networking. 2,000+ attendees from across Europe. Tickets from EUR 100. The Split setting and summer timing make it one of Europe's most appealing dev conferences for combining work and warm weather.
Sofia, Bulgaria · Event Bulgaria's edition of the global Google Developer Group DevFest, held annually in Sofia with 600+ developers. Covers Android, Flutter, web, cloud (GCP), Firebase, and AI/ML engineering with talks in English from local and international speakers. Free admission; a primary networking event for Sofia's developer community which includes large local employers like VMware, SAP Labs, and a growing startup scene.
Bern, Switzerland · Venture Capital Swisscom Ventures is the strategic corporate venture arm of Swisscom, Switzerland's largest telecom and ICT operator, and is one of the most active corporate venture investors in the Swiss ecosystem. Founded in 2007 and operating with offices in Bern, Zurich, and Silicon Valley, the firm invests in early- and growth-stage technology companies across cybersecurity, digital health, cloud infrastructure, AI, and network-adjacent deep tech, with particular interest in startups that can leverage Swisscom's distribution, data, or network assets. Portfolio companies have included Cato Networks, Mirakl, Scandit, Digital Asset, and Exeger. Swisscom Ventures pairs well with the traditional Swiss financial-VC bench by providing strategic commercial partnerships, regulatory navigation, and European telecom channel access alongside capital, which is particularly valuable for founders in regulated infrastructure categories.
Barcelona, Spain · Event Developer-first event aligned with MWC week, featuring coding sessions, architecture deep dives, and hackathon-style programs around AI, cloud, and cybersecurity. Useful for startup engineering recruiting and employer branding with senior technical talent.
Paris, France · Event An enterprise-tech mega-event at Porte de Versailles bundling five co-located shows covering cloud and AI infrastructure, DevOps, cloud and cyber security, data and AI leadership, and data centres. For infrastructure, devtools, and security startups it is a single badge to reach enterprise IT buyers across the whole stack.
Berlin, Germany · Event Bitkom's flagship business-tech festival in Berlin connecting digital industry leaders, policymakers, and startups with 10,000+ attendees. The event covers AI, cloud, cybersecurity, sustainability tech, and digital transformation across keynotes, deep-dive tracks, and a startup expo.
Milan, Italy · Venture Capital Founded in 2013 by Massimiliano Magrini (former Google Italy MD) and Paolo Gesess, United Ventures is one of Italy's leading independent technology-focused VC firms, with cumulative AUM approaching €500 million across three funds including a €150 million early-stage Fund III (launched 2023) and a dedicated growth vehicle, UV T-Growth. The firm targets software, fintech, cybersecurity, cloud, IoT, and marketplace companies predominantly at Series A, co-investing across Italy and Europe. Its portfolio of 51 companies has generated 10 acquisitions and 2 IPOs; landmark investments include Musixmatch (10x+ return on exit to TPG), Everli (Series C lead, €22 million), and Cleafy (Series B, 2026).
Prague, Czech Republic · Event The largest .NET developer conference in the Czech Republic, held at the Clarion Congress Hotel Prague. Relevant for dev-tooling and B2B software founders recruiting engineers and reaching the Czech developer community.