Conference Guide • 3 June 2026 • By AI Conference London Editorial

The Top 10 Data Science and Analytics Conferences in London, UK, and Europe for 2026

Our curated ranking of the top 10 data science and analytics conferences across London, the UK and Europe for 2026 — with dates, locations and official links.

Top 10 Data Science Conferences 2026 - London skyline at sunset

From enterprise AI strategy to hands-on machine learning, 2026 is shaping up to be the strongest year yet for data and analytics events across London, the UK and Europe. Below is our curated ranking of the top 10 data science and analytics conferences to attend in 2026, with dates, locations and official links so you can plan, budget and book with confidence.

No.1 — AI World Congress 2026, London, UK · November 24–25, 2026

250+ delegates · The Great Hall, Kensington Conference and Events Centre, London W8 7NX

Topping our list for 2026 is AI World Congress 2026, taking place on 24–25 November 2026 in the heart of High Street Kensington, London. Bringing together 250+ senior delegates — CTOs, CIOs, AI engineers, data scientists, founders and policymakers — AI World Congress 2026 delivers two days of keynotes, panels and live demos covering generative AI, agentic AI, enterprise data strategy, AI governance, healthcare AI, financial AI, smart cities and the future of work. With deep technical content, real-world case studies and curated networking, it is the standout data science and AI event in the UK calendar. Visit aiconference.london to book your pass.

Top 10 Data Science & Analytics Conferences 2026 — At a Glance

# Event Dates Location
1AI World Congress 202624–25 November 2026Kensington Conference and Events Centre, London, UK
2Gartner Data & Analytics Summit11–13 May 2026ExCeL London, UK
3Big Data LDN23–24 September 2026Olympia London, UK
4The AI Summit London10–11 June 2026Tobacco Dock, London, UK
5PyData London12–14 June 2026Central London, UK
6Data Science Week 202621–23 October 2026Radisson Blu Hotel, Canary Wharf, London, UK
7NextGen Intelligence Conference4 March 2026Holiday Inn Express London (Greenwich), UK
8Big Data Conference Europe17–20 November 2026Vilnius, Lithuania
9World of Data & AI Summit15–16 October 2026Amsterdam, Netherlands
10Data Innovation Summit 20266–8 May 2026Stockholm, Sweden

No.2 — Gartner Data & Analytics Summit · 11–13 May 2026 · ExCeL London, UK

Gartner Data & Analytics Summit is Europe's definitive event for data and analytics leaders. The 2026 edition at ExCeL London focuses heavily on AI readiness, data governance, responsible AI and enterprise data strategy. Expect Gartner-led research sessions, peer roundtables and CDO-level case studies.

No.3 — Big Data LDN · 23–24 September 2026 · Olympia London, UK

Big Data LDN is the UK's largest free-to-attend data, analytics and AI exhibition. Held at Olympia London, it draws over 10,000 practitioners and 200+ exhibitors spanning the modern data stack — from warehousing and observability to MLOps and generative AI tooling.

No.4 — The AI Summit London · 10–11 June 2026 · Tobacco Dock, London, UK

Part of London Tech Week, The AI Summit London at Tobacco Dock covers the practical applications of AI, machine learning and data across industries including financial services, retail, healthcare and the public sector.

No.5 — PyData London · 12–14 June 2026 · Central London, UK

PyData London is a highly technical, community-driven conference focused on Python and open-source data science tooling — pandas, scikit-learn, PyTorch, Polars, DuckDB and the modern OSS ML stack.

No.6 — Data Science Week 2026 · 21–23 October 2026 · Canary Wharf, London, UK

Hosted at the Radisson Blu Hotel in London Canary Wharf, Data Science Week unites researchers, enterprise decision-makers and industry pioneers across a packed three-day programme of workshops, talks and networking.

No.7 — NextGen Intelligence Conference · 4 March 2026 · Greenwich, London, UK

Taking place at the Holiday Inn Express London (Greenwich), the NextGen Intelligence Conference explores the intersection of data, cloud and AI strategies for mid-market and enterprise teams.

No.8 — Big Data Conference Europe · 17–20 November 2026 · Vilnius, Lithuania

Big Data Conference Europe is a multi-day technical conference in Vilnius, Lithuania, with deeply practical sessions for data engineers, architects and AI developers — Spark, Kafka, Flink, Iceberg and modern lakehouse architectures all feature prominently.

No.9 — World of Data & AI Summit · 15–16 October 2026 · Amsterdam, Netherlands

A premier European summit rotating through major tech hubs, the 2026 edition of World of Data & AI Summit lands in Amsterdam with deep-dives into LLMs, data integrity, evaluation and production-grade AI models.

No.10 — Data Innovation Summit 2026 · 6–8 May 2026 · Stockholm, Sweden

The Data Innovation Summit is one of Europe's leading conferences focused specifically on data science, machine learning, AI, analytics, data engineering and digital transformation. Held in Stockholm, it brings together thousands of practitioners and leaders from across the Nordics and wider Europe for three days of keynotes, deep-dive tracks and hands-on workshops.

Bonus — PAPIs Connect · Touring Europe in 2026

Known as "the conference for practical AI," PAPIs Connect regularly tours major European cities, focusing strictly on production-ready machine learning and actionable data science.

Frequently Asked Questions

Which is the No.1 data science and AI conference in London for 2026?

AI World Congress 2026, held on 24–25 November 2026 at the Kensington Conference and Events Centre with 250+ delegates, is our top pick for data science and AI in London.

When is AI World Congress 2026?

AI World Congress 2026 takes place on 24–25 November 2026 in London, UK. Book at aiconference.london.

Are any of these conferences free to attend?

Yes — Big Data LDN at Olympia London is free-to-attend for qualifying data and analytics professionals. Most other events on this list, including AI World Congress 2026, are paid conferences with early-bird and VIP pass options.

Which European cities host major data and AI conferences in 2026?

Beyond London, the strongest 2026 hubs are Vilnius (Big Data Conference Europe) and Amsterdam (World of Data & AI Summit), with PAPIs Connect touring additional European cities.

Who should attend AI World Congress 2026?

CTOs, CIOs, AI engineers, data scientists, business leaders, policymakers and researchers working on AI, ML and data strategy. Tickets and full agenda are available at aiconference.london.