Tech, AI and startup events in Barcelona: November 2026

November is Barcelona’s busiest month of the year for the tech ecosystem: in the first week, Smart City Expo, the Barcelona Deep Tech Summit and the Barcelona Cybersecurity Congress all take place at Fira Gran Via. Here is the month’s agenda, in date order, to help you choose.

At a glance

• 3–5 November, Fira Gran Via: Smart City Expo World Congress, Barcelona Deep Tech Summit and Barcelona Cybersecurity Congress, at the same time.
• 3–4 November, Auditori l’Illa: The AI Conference, two days of technical talks on applied AI.
• 26 November, Bcombinator: AI Day, on taking AI from pilot to operations.
• Early December: Tech Spirit Barcelona (2–3 December) and Predictive Commerce (4 December).

Week of 3 November: all at Fira Gran Via

Smart City Expo World Congress · 3–5 November. The world congress on smart cities: mobility, energy, housing, digital government and public and private investment. Organisers expect more than 27,000 professionals. Who it is for: companies selling to public administrations, proptech, mobility and energy.

Barcelona Deep Tech Summit · 3–5 November. Part of Smart City Expo, it brings together startups, spin-offs, researchers, investors and corporates around three areas: health and human performance, AI and strategic technologies, and corporate-startup collaboration. Who it is for: deep tech founders and investors looking for science-based projects.

Barcelona Cybersecurity Congress · 3–5 November. This year it moves from May to November to coincide with Smart City Expo. Cyber-resilience, data governance and connected device security, with a live ethical hacking area. Who it is for: security leads, banks and companies with critical infrastructure.

Practical tip: with three events at the same venue, buy the pass that covers what you care about and book accommodation and meals early.

3 and 4 November: The AI Conference

At Auditori l’Illa (Diagonal), two days, a single track and 16 talks on applied AI, language models, machine learning and large-scale systems. A smaller, more technical format than the Fira congresses. Who it is for: product and engineering teams already putting AI into production.

26 November: AI Day @Bcombinator

At the Bcombinator hub (Carrer de Badajoz, 32, Poblenou), 10:00 to 18:00, a hands-on day on taking AI from pilots to operations: real cases, scaling and governance, with live demos and networking. Who it is for: companies that have tested AI and want to deploy it properly.

And in early December

• Tech Spirit Barcelona · 2–3 December · Casa Llotja de Mar. The local tech ecosystem’s annual gathering, free to attend.
• Predictive Commerce · 4 December. Organised by Semrush and Euromonitor International, on how AI and predictive analytics are changing ecommerce.

For the full-year view, see our Barcelona events calendar for 2027.

Frequently asked questions

What is the biggest tech event in Barcelona in November?

Smart City Expo World Congress, 3–5 November at Fira Gran Via, which this year shares dates and venue with the Barcelona Deep Tech Summit and the Barcelona Cybersecurity Congress.

Are there AI events in Barcelona in November 2026?

Yes: The AI Conference (3 and 4 November) and Bcombinator’s AI Day (26 November), plus the AI track at the Deep Tech Summit.

Does DEXT FORCE take place in November?

DEXT FORCE 2025 was on 22 November at Poble Espanyol. The 2027 date will be announced to the waitlist first.

Dates can change: always confirm them on each event’s official website before booking. Organising a tech, finance or startup event in Barcelona and want to feature in the next agenda? Email us at hola@dextforcefestival.com.

Sources: Biocat, Barcelona Deep Tech Summit 2026; Smart City Expo World Congress; Red Seguridad, Barcelona Cybersecurity Congress 2026; Createwith, AI events in Barcelona; Tech Spirit Barcelona.