ConfeRanK
Best of 2026

Best Big Data Conferences in London (2026)

We ranked 2 upcoming big data conferences in London worth attending — compare them by date, location and pricing below.

2 ranked events
  1. 1
    Kafka Summit

    London, United Kingdom · Sep 23, 2026 – Sep 24, 2026 · High

    Streaming data and event-driven architecture conference.

    Details →
  2. 2
    Big Data LDN 2026

    London, United Kingdom · Sep 23, 2026 – Sep 24, 2026 · Free

    The UK largest free data and analytics conference. London, Sep 23-24, 2026.

    Details →

Frequently asked

What are the best big data conferences in London in 2026?

The list above ranks the top upcoming big data events in London, led by Kafka Summit. Rankings combine attendance, industry impact and community signals.

How were these conferences chosen?

Every event is an upcoming, verified conference tagged Big Data, ordered by its Conferank ranking within that topic.

See the full Big Data ranking Browse all conferences