Startup events in May 2027 – Calendar

OMR27 is confirmed for 3-5 May 2027 in Hamburg, with Super Early Bird tickets already on sale. One of Europe's largest digital marketing and technology festivals, it draws 70,000+ attendees to Hamburg Messe for MarTech, creator economy, D2C, and AI-powered marketing content.

BTC Prague 2027 runs 6-8 May, having grown since its founding in the 2022 bear market into the biggest Bitcoin event in Europe, drawing 8,500+ attendees. The event maintains a strict 'Bitcoin only' focus and includes a dedicated Bitcoin Living Masterclass track covering health, financial sovereignty and psychology alongside core Bitcoin programming.

ECOSUMMIT.AI Berlin's next edition is confirmed for 12 May 2027, with tickets already on sale. The climate-tech and green-economy matchmaking event focuses on AI-accelerated decarbonization across energy, sustainable buildings, green mobility, and deep tech, with founder pitch slots in front of active climate investors.

INTARG's next edition is confirmed for 17-18 May 2027 at the Katowice International Congress Centre, under WIPO and IFIA patronage. The International Invention and Innovation Show connects inventors, deep-tech founders, and R&D teams with investors and institutions around IP, funding, and commercialisation.

PODIM 2027 takes place in Maribor 17-19 May, preceded by an online demo day on 4-5 May. The startup conference runs a full annual cycle from a December call for startup applications through an April startup catalogue release to the live event, covering AgriTech, Industry 4.0, HealthTech, mobility and AI.

Infoshare 2027 takes place at AmberExpo in Gdansk, 19-20 May, one of Central and Eastern Europe's leading tech conferences. The event covers developer tools, data science, cybersecurity, martech and AI, drawing startups, corporates and investors from across the region.

Latitude59 is Estonia's flagship startup and tech conference, gathering founders, investors, and innovators from across the Nordics and Baltics. The 2027 edition returns to Kultuurikatel in Tallinn on May 19–21, with tickets already on sale via Fienta. The event features pitch competitions, investor meetings, and a main-stage program spanning two full days.

Tech For Industry Show 2027 runs 19-20 May at Paris Expo, Hall 7.1, dedicated to Industry 4.0 innovation. The show combines 100+ exhibitors, 4,000+ visitors and 60+ conference sessions with one-to-one business meetings, covering industrial software, IoT, robotics and industrial AI for manufacturers such as Renault, Sanofi and Airbus Atlantic.

Evertiq Expo Lund 2027 is a free one-day electronics industry expo held on 20 May at Sparbanken Skane Arena, for professionals working in design and purchasing of electronics. Lund and the Oresund region are among Sweden's fastest-growing hubs for electronics design and production, home to Ericsson's early mobile development and institutions like ESS and MAX IV.

Digital Dragons 2027 takes place in Krakow 23-25 May, one of the largest B2B events for the games industry in Europe. It is run by the Krakow Technology Park as part of a broader ecosystem that also includes a games industry accelerator supporting studio formation and growth in Krakow.

CONFidence's next edition runs 24-25 May 2027, with 2027 tickets already on sale. The leading Polish technical security conference focuses on applied hacking, incident response, and infrastructure defense, a strong venue for cybersecurity startups to validate products with practitioners.

SaaStanak 2027 runs 24-26 May at Amadria Park Hotel Ivan in Sibenik, Croatia. The SaaS-focused conference draws founders, operators and venture capital investors from the CEE startup ecosystem, with tickets in past years selling out during the early bird phase.

The 19th International Conference on Cyber Conflict, themed 'Unified Response', is confirmed for 25-28 May 2027 in Tallinn. Organised by NATO CCDCOE, CyCon is a prominent multidisciplinary conference with keynotes and panels spanning legal, strategy, policy, and technology tracks.

The Iceland Geothermal Conference (IGC) is a leading international event on geothermal energy, held at the Harpa Conference and Concert Centre in Reykjavik. The 6th edition, under the theme 'Geothermal for a Changing World', guides participants through the full geothermal value chain across four tracks: financing and policy, project development, next-generation technologies such as EGS, and community and societal impact.

ITF World 2027, imec's flagship Imec Technology Forum, returns to Antwerp 25-26 May. The conference connects the deep-tech innovation ecosystem across academia and industry, with keynotes, demos of breakthrough technologies and networking, drawing on imec's network of 600+ industry partners.

Nordic Game 2027 runs 25-28 May at Slagthuset in Malmo, the home-turf meeting place for the games industries of Denmark, Finland, Iceland, Norway and Sweden. The event expects more than 3,000 attendees, with 100+ indie games on display in its Showcase Hall alongside masterclasses and pitching events.

Italy's leading trade fair for industrial automation and digital manufacturing returns to Fiere di Parma for its 15th edition, running 25-27 May 2027, organised by Messe Frankfurt Italia. The 2026 edition drew 37,528 attendees and 720 exhibitors across cyber security, AI agents, software-defined manufacturing, robotics, and ESG themes.

Stockholm Tech Show 2027 returns to Kistamassan 25-26 May, described as the Nordic region's leading meeting place for technology and digital transformation. The event comprises six co-located shows covering AI & Big Data, Cloud, Cybersecurity, Datacentre, DevOps and Mobile. The 2026 edition grew visitor numbers by 15% year on year.

Dublin Tech Summit 2027 runs 26-27 May at the RDS Dublin as part of Dublin Tech Week. The summit offers programming for IT professionals and teams across enterprise IT, SaaS, cloud, fintech and big data, alongside partnership and sponsorship opportunities for companies targeting the European tech ecosystem.

NEXT Summit Valletta 2027 runs 26-27 May at the Mediterranean Conference Centre in Valletta. The iGaming-focused event gathers roughly 6,000 operators, suppliers, investors, regulators and innovators for a week of connected conference activity, including a dedicated Start-Up & Investment day focused on funding and innovation.

WebExpo Prague 2027 runs 26-28 May at Palace Lucerna in the heart of Prague. The conference covers web development, design and product management, with the 2027 call for papers and workshop announcements expected in late 2026 or early 2027.

NFC Summit's next edition moves to a new venue, Unicorn Factory Lisbon, running 27-29 May 2027. The Web3 and creative-economy summit bundles multiple sub-events, useful for web3, AI, and creative-tech founders wanting exposure to major brand sponsors and the crypto-creative crossover.

SMIL'27 is confirmed for 27 May 2027, with tickets now live. The one-day Aarhus startup festival brings together 850+ founders, investors, and operators in small, curated, participatory sessions rather than traditional panels.

Swiss Startup Days' next edition is confirmed for 27 May 2027 at Kursaal Bern, described on-site as 'the Swiss deep-tech catalyst event'. The nationwide event brings startups, investors, corporates, and enablers together for a high-density day of 1-to-1 matchmaking and pitch sessions.

WordCamp Europe 2027 moves to Malaga, running 27-29 May at the FYCMA Trade Fair and Congress Center, after being held in Krakow in 2026. The community-run WordPress conference is organised by volunteers and draws contributors, developers and agencies from across the WordPress ecosystem.