Startup events in April 2026 – Calendar

Global climate and impact summit under the Grand Palais roof connecting founders with investors, corporates, and public-sector decision-makers. High-value platform for climate startups seeking B2B/B2G pilots, procurement pathways, and scale partnerships in sustainability and transition infrastructure.

Europe's largest annual Ethereum conference, organized by the non-profit Ethereum France team and rotating between Paris and Brussels. The 9th edition draws 6,000+ developers, protocol researchers, DeFi founders, and L2 engineers for four days of deep-technical talks, core-dev working groups, and a packed satellite-event calendar of side meetups and hackathons. EthCC is the default summer checkpoint for the European crypto ecosystem — if you're building on Ethereum, this is where the conversations happen. Tickets EUR 600-1,500.

UK's largest food trade show with healthy and plant-based zones. Price: free trade registration. Strong for foodtech and CPG startups seeking retail listings.

France's massive industrial gathering with a startup village and Industry 4.0 showcases. Price: free for professionals with badge. Strong for industrial IoT and smart manufacturing startups.

Leading European construction-tech and PropTech event focused on BIM, digital twins, and smart buildings, drawing 10,000+ professionals to Paris. The expo is free with registration; conference passes cost about EUR 450. A strong launchpad for startups in energy-efficient design, AI-driven site management, and real estate digitalization.

Greece's most prestigious annual economic and innovation forum bringing together government leaders, entrepreneurs, and investors at the historic site of Delphi. Features dedicated startup and technology tracks with strong investor networking. Attracts 3,000+ attendees and significant media coverage.

One of Europe's longest-running immersive technology events, focused on practical XR deployment across healthcare, manufacturing, and defense. Strong venue for spatial-computing founders building B2B hardware and software products.

Legal and RegTech-focused summit in Warsaw centered on AI-era compliance automation, featuring demo zones for contract management, e-discovery, and governance tooling. Attracts law firm partners, corporate counsel, and compliance officers. Valuable for legal-tech startups seeking pilot customers and strategic partnerships in the Polish and CEE legal markets.

Specialist cardiology congress in Paris focused on heart rhythm disorders, arrhythmia management, and electrophysiology innovation. Attracts 5,000+ clinicians, device manufacturers, and researchers. Registration costs about EUR 600-1000. Particularly relevant for ECG AI, cardiac monitoring, and implantable device startups seeking clinical validation and distribution partners.

Single-track, founder-focused conference for SaaS and software leaders held in Cambridge. Features deep talks on scaling, product strategy, and company culture from experienced operators. Tickets cost about GBP 995-1495. Intimate format with 300-400 attendees, making it ideal for B2B SaaS founders seeking actionable growth and leadership insights.

City-wide celebration of games in London with a strong B2B core at the Games Finance Market, connecting studios with publishers and investors. Industry passes cost about GBP 150-300. Covers gaming technology, VR/AR innovation, and interactive media. Valuable for gaming startups seeking publishing deals and creative-tech partnerships.

Leading European conference for the Spring and Java ecosystem at Palau de Congressos, with deep technical talks by framework contributors and backend experts. Strong channel for enterprise Java, fintech infrastructure, and data-platform tooling startups.

Global trade fair for pipe and tube manufacturing in Dusseldorf, co-located with Wire and attracting 70,000+ combined visitors. Covers welding, forming, inspection, and quality control technologies. Day tickets cost about EUR 45-70. Strong venue for industrial IoT, inspection automation, and quality-control startups targeting heavy industry.

Partner trade fair to Tube in Dusseldorf covering wire, cable, and fibre optic manufacturing with 1,300+ exhibitors and 36,000+ visitors. Day tickets cost about EUR 45-70. Covers smart cabling, energy transmission, and connectivity infrastructure. Relevant for startups in energy tech, telecommunications hardware, and industrial automation.

Flagship global personal care ingredients trade fair at Paris Porte de Versailles with 10,000+ formulators and brand buyers and 700+ exhibitors. Free with pre-registration or about EUR 100 on-site. Ideal for biotech, green chemistry, and sustainable cosmetics startups seeking ingredient adoption and multinational brand partnerships.

World's leading trade fair for industrial coating technology, held in Karlsruhe with 500+ exhibitors and 10,000+ trade visitors. Covers surface treatment, powder coating, automation, and quality control. Day tickets cost about EUR 30-50. Relevant for materials science, robotics, and industrial automation startups serving the manufacturing sector.

Germany's premier Python and data science conference in Darmstadt, attracting 1,500+ developers, data engineers, and ML practitioners. Combines PyCon DE with PyData tracks covering AI frameworks, data pipelines, and open-source tooling. Business tickets cost about EUR 400-700. Strong venue for AI startups hiring talent and showcasing developer tools.

Baltic startup conference at Hanzas Perons with 2,300+ attendees and 250+ investors. Known for the Fifty Founders Battle (EUR 200k+ syndicate prizes) and strong Day 0 networking side events.

Invite-only denim supply-chain trade show at Amsterdam's Westergas drawing 5,000+ trade buyers, mills, and brands with a strong sustainability and circularity focus. Access is trade-only and free for approved attendees. Strong entry point for fashion-tech, sustainable textiles, bio-materials, and circular manufacturing startups seeking global brand pilots.

Premier European gathering for institutional Web3 and digital assets at Carrousel du Louvre. Strong concentration of founders, C-suite decision-makers, and liquidity providers. Startup competition applications close close to event week, with finalists pitching live on stage to investors and industry operators.

World's largest fitness and wellness trade show, held in Cologne with 150,000+ visitors and 1,100+ exhibitors. Covers wearables, health tracking, connected gym equipment, and sports nutrition innovation. Day tickets cost about EUR 40-90. Highly relevant for HealthTech and wearable startups targeting the fitness industry.

Global congress for clinical microbiology and infectious diseases at Messe Munich, drawing 15,000+ clinicians, researchers, and industry buyers from 130+ countries. Registration about EUR 600-900. Ideal for diagnostics, AMR, and medtech startups with clinical data seeking KOL validation, hospital pilots, and pharma partnerships.

Regional BEAUTY FORUM by Cosmoprof at Gospodarsko razstavisce Ljubljana, drawing 5,000+ salon owners, distributors, and brand buyers from the Adriatic and Balkan market. Day tickets about EUR 10-20. Covers skincare, nails, and aesthetic devices, a low-cost entry point for beauty-tech and clean cosmetics startups targeting Southeast Europe.

The world's largest industrial trade fair, Hannover Messe draws 130,000+ visitors and 4,000+ exhibitors across AI, robotics, hydrogen, and Industry 4.0. Young Tech Enterprises offers startups subsidized booths and pitch stages. Tickets EUR 35-80. Essential for deeptech founders seeking pilot customers among global manufacturers and energy firms.

UK's premier national exhibition for engineering and manufacturing at NEC Birmingham, showcasing CNC, 3D printing, tooling, and factory automation. Free with registration, attracting 25,000+ engineering professionals. Particularly relevant for advanced manufacturing, robotics, and industrial automation startups seeking partnerships with UK manufacturers.

Week-long fintech program in London anchored by the Innovate Finance Global Summit (IFGS), with regulator panels, investor meetups, and bank partnership sessions. The flagship summit costs about GBP 900+; fringe events are often free. Ideal for fintech startups seeking FCA insight, institutional partners, and London's deep pool of fintech VCs.

Germany's leading trade fair for nursing and elderly care services, attracting care providers, hospital managers, and technology vendors. Features exhibitions on care-tech, assistive robotics, and patient monitoring innovations. Day tickets cost about EUR 30. Particularly relevant for HealthTech and robotics startups targeting the aging population sector.

UK's largest road transport and commercial vehicle event at NEC Birmingham, attracting fleet operators, logistics companies, and vehicle manufacturers. Free with registration. Covers fleet telematics, EV commercial vehicles, and logistics optimization. Valuable for mobility and logistics startups targeting fleet management and last-mile delivery operations.

UK government's flagship cybersecurity event in Glasgow, organized by NCSC and attracting 2,000+ security professionals from government, defence, and enterprise sectors. Tickets cost about GBP 400-800. Covers national cyber strategy, threat intelligence, and resilience frameworks. Essential for govtech and infosec startups selling to public sector buyers.

Hybrid AI and data engineering summit at Legia Warszawa Conference Center bridging advanced research with production use cases. Good lead-generation venue for startups building ML infrastructure, analytics platforms, and enterprise data tooling.

Europe's largest digital health trade fair at Messe Berlin, spanning healthcare IT, procurement, interoperability, and compliant medical software rollout. Includes the 'DMEA fuer Health Startups' program, the DMEA nova Award startup finals, and DMEA Sparks pitch visibility for early-stage health-tech companies.

Flagship day of UK FinTech Week held at London's historic Guildhall, attracting senior policymakers, regulators, and fintech leaders. Tickets cost about GBP 900-1500. Features keynotes on open banking, digital currencies, and regulatory sandboxes. Essential for fintech startups seeking visibility with UK regulators and institutional partners.

Austria's largest manufacturing and welding trade fair at Messe Wels, drawing 30,000+ industrial buyers and 500+ exhibitors across automation, robotics, additive manufacturing, and metalworking. Free with pre-registration or about EUR 25 on-site. Strong for automation, tooling, and industrial IoT startups seeking DACH factory pilots.

The world's premier furniture and design fair, Salone del Mobile draws 300,000+ visitors to Milan over six days. SaloneSatellite gives designers and startups under 35 a dedicated exhibition space. Tickets EUR 40-60. Ideal for founders in smart home hardware, sustainable materials, and design-led consumer products seeking global retail partners.

International trade fair for technical textiles and nonwovens in Frankfurt, bringing together 1,500+ exhibitors and 30,000+ visitors from across the advanced materials sector. Day tickets cost about EUR 30-60. Particularly valuable for smart fabrics, wearable tech, and advanced materials startups seeking industrial partnerships.

International trade fair for textile and flexible material processing, co-located with Techtextil in Frankfurt and drawing 40,000+ combined visitors. Tickets EUR 30-60. Covers automated sewing, 3D body scanning, digital printing, and on-demand manufacturing. Prime venue for fashion-tech and textile startups demoing to global brand buyers.

Europe's flagship wind energy event, drawing 8,000+ attendees from utilities, turbine OEMs, and policymakers. Features an Innovation Park where startups exhibit and pitch. Passes EUR 900-1200. Key for founders in grid integration, offshore wind, blade inspection drones, predictive maintenance, and green hydrogen from wind power.

CEE-focused networking summit in Warsaw with 2,000+ in-person attendees, 500+ investors, and hybrid participation from across Central and Eastern Europe. Founder tickets typically EUR 300-700. Core value is high-volume matchmaking through pre-scheduled 15-minute investor-founder meetings across SaaS, IoT, PropTech, and deep tech, a top CEE deal-flow event.

Europe's largest general aviation expo, drawing 30,000+ visitors and 600+ exhibitors to Friedrichshafen. Features a dedicated e-flight expo for electric and hybrid propulsion startups. Day tickets about EUR 45. Key for founders in electric flight, autonomous air mobility, avionics, and lightweight materials seeking OEM partnerships.

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.

Retail innovation event at ExCeL London showcasing payments, in-store analytics, loyalty platforms, and omnichannel solutions. Free for qualified retailers; vendors pay for exhibition space. Attracts 10,000+ retail technology buyers and decision-makers. Valuable for retail-tech startups seeking direct access to UK high-street and e-commerce buyers.

University-hosted startup and innovation day bringing together student founders, academic spin-offs, and local investors in Bratislava. Features pitch sessions, workshops on EU funding, and demos from Slovak deep-tech projects. Free for students and early-stage founders.

Summit at the Mediterranean Conference Centre with 2,500+ attendees and 400+ investors. Features the Big Pitch Competition with a prize package worth over EUR 1M and strong media visibility.

Global emerging-market startup summit hosted in Lausanne, connecting founders from 80+ countries with investors, mentors, and corporate partners. Culminates in a pitch competition for the Seedstars Global Winner award.

A distributed startup festival where Budapest's tech companies, coworking spaces, and VCs open their doors for two days of talks, workshops, and networking. Free to attend, with 3,000+ participants visiting 100+ venues across the city. Ideal for discovering Hungary's startup scene.

Europe's leading special bike trade fair at Freiburg Messe with 15,000+ visitors and 250+ exhibitors covering cargo bikes, e-cargo, recumbents, and micro-logistics hardware. Day tickets about EUR 15-25. Valuable for urban logistics, last-mile delivery, and mobility-hardware startups seeking fleet buyers and European distributors.

Policy and leadership forum for youth innovators across the EU and Eastern Partnership countries. Strong fit for civic, edtech, and impact-oriented founders seeking public-sector partnerships.

City-wide innovation festival across Reykjavik with 1,500+ attendees, 100+ speakers, and a strong climate focus spanning energy transition, ocean tech, foodtech, and geothermal. Main passes typically EUR 300-600 with free satellite events. Includes climate-pitch formats like Ok, Bye, ideal for impact founders seeking Nordic investors and pilot sites.

Executive-level forum for global retail leadership in Berlin, attracting 1,000+ C-suite executives from major retail brands and technology providers. Registration costs about GBP 2500+. Features keynotes on retail transformation, AI-driven commerce, and sustainability. Valuable for retail-tech scaleups seeking strategic partnerships with global retail decision-makers.

B2B aerospace technology conference in Munich focused on digital aviation systems, avionics, connectivity, flight operations software, and testing workflows. High-value venue for deep-tech founders in aviation software, satellite communications, drones, and aerospace manufacturing partnerships.

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.

Munich stop of the global Venture Capital World Summit series at Nymphenburger Hoefe, bringing together seed and Series A investors, angels, and growth-focused startups. High-priority event for founders actively fundraising in Q2/Q3 2026 and seeking cross-border capital access.