BIG DATA CONFERENCE
EUROPE 2026
November 24-27
Vilnius & Online
6 Leading European Big Data Conferences Compared: 2026–2027
Compare six prominent international Big Data, data engineering, analytics and data-and-AI conferences in Europe by date, format, published scale, ticket price and the audience each event serves best.
Quick Answer
The best choice depends on what you want from the trip: a very large exhibition, hands-on technical learning, an executive strategy summit, hybrid access or a broad enterprise technology ecosystem. These six recommendations make the differences clear.
- Big Data LDN Best for the largest directly data-focused audience in this comparison, a major supplier exhibition and a low-cost visitor pass.
- AI & Big Data Expo Europe Best for enterprise AI and data teams that also want access to cloud, cybersecurity, IoT, automation and other co-located technology events.
- Big Data Conference Europe Best for data engineers, architects and practitioners who want a four-day technical programme, hands-on workshops and onsite or online attendance.
- Big Data & AI World London Best for enterprise technology buyers who want data-and-AI strategy, solution discovery and one badge for five related shows.
- Gartner Data & Analytics Summit Best for CDAOs, heads of data and senior leaders seeking analyst-led strategy, peer exchange, workshops and one-to-one Gartner meetings.
- Data Innovation Summit Best for a large hybrid event combining applied data engineering, analytics, governance, AI, sector case studies and online replay access.
All six have an officially confirmed European edition after the review date and publish official event information and their latest available programme material in English. Some 2027 agendas are still forthcoming. Their scale figures are not directly equivalent: some describe one conference, while others cover a co-located event ecosystem or an expected audience. Each scope is labelled in the table.
6 Leading European Big Data Conferences at a Glance
The table compares the latest confirmed European edition available on the review date. Prices remain in each organiser’s original currency, and VAT, sales stages, eligibility rules and unpublished prices are stated rather than silently normalised.
| Conference and date | Format and focus | Published scale | Current or latest published price | Best suited to |
|---|---|---|---|---|
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Big Data LDN 2026 – London, United Kingdom | Two-day onsite conference and exhibition covering data, analytics, AI, governance, engineering, strategy and enterprise technology solutions. | The previous event welcomed 15,000+ attendees. The current ticket page lists 300+ speakers and 200+ exhibitors for 2026. | Two-day Visitor Pass: free until 27 August, then £49 from 28 August 2026. The optional Data Driven LDN deep-dive day on 22 September costs £499 excl. VAT. Official tickets | Data leaders and practitioners who want a very large event, extensive supplier discovery, many short sessions and a low-cost route into the exhibition. |
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AI & Big Data Expo Europe 2026 – Amsterdam, Netherlands | Two-day onsite conference and expo within TechEx Europe. The programme covers enterprise AI, Big Data, analytics, governance, autonomous systems and infrastructure. | Organiser-advertised shared scale for the eight-event TechEx Europe programme: 8,000+ innovators, 200+ speakers and 200+ exhibitors. | Gold Pass: €899 + VAT, reduced from €1,399. A free pass covers free sessions and the expo. Complimentary full access for qualifying senior enterprise leaders requires approval. Official registration | Enterprise data and AI teams that value product demonstrations, supplier meetings and access to several adjacent technology sectors under one pass. |
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Big Data Conference Europe 2026 – Vilnius, Lithuania and online | One onsite workshop day plus three hybrid conference days covering data engineering, streaming, data architecture, cloud, analytics, MLOps, machine learning and AI. | Organiser-advertised 2026 scale: 700+ attendees from 35+ countries, 90+ talks, seven workshops, six parallel tracks and four days. | Three-day onsite or online: €1,000 excl. VAT. Four-day Full Ticket including the workshop day: €1,280 excl. VAT. The Regular stage ends 17 September 2026. Official tickets | Data engineers, architects, scientists and technical leaders who want hands-on learning, several full conference days, hybrid access and entry to the co-located AI Summit Europe. |
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Big Data & AI World London 2027 – London, United Kingdom | Two-day onsite conference and exhibition within Tech Show London, focused on enterprise data and AI strategy, governance, responsible adoption, analytics and solution discovery. | Latest shared Tech Show London reference: 17,340+ decision-makers and 450+ exhibitors and partners across five co-located shows. These are ecosystem totals, not standalone event figures. | 2027 registration is not yet open. The organiser promises free entry for eligible technology buyers and end-users; terms and pricing for other attendees are not published. Official registration interest | Senior enterprise buyers, data leaders and analytics architects who want vendor discovery plus access to cloud, DevOps, cybersecurity and data-centre shows. |
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Gartner Data & Analytics Summit 2027 – London, United Kingdom | Three-day onsite, analyst-led summit for CDAOs and data, analytics and AI leaders, with strategy sessions, workshops, roundtables, one-to-one meetings and an exhibit showcase. | 3,700+ expected attendees. Gartner reports 59% director-level or above and 91% involved in technology purchases, based on 2025 global attendee data. | Early Bird: €3,750 + VAT. Standard: €4,425 + VAT. Public-sector rate: €3,425 + VAT with proof of eligibility. The Early Bird deadline is not stated. Official registration | Chief data and analytics officers, heads of AI and senior leaders who need research-led strategy, peer discussion and access to Gartner analysts. |
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Data Innovation Summit 2027 – Stockholm, Sweden and online | Three-day hybrid summit covering applied data management, engineering, platforms, analytics, decision intelligence, machine learning, AI, governance and industry use cases. | Organiser-advertised 2027 scale: 3,500+ delegates from 50+ countries, 300+ speakers, 300+ sessions, 100+ exhibitors and seven workshop rooms. | Super Early Bird Industry Full Access: €599 excl. VAT. Online Full Ticket: €299 excl. VAT. Data and AI solution providers must use separate Vendor pricing. The organiser says VAT is not applicable to international clients. Official tickets | Data, analytics and AI professionals who want a large hybrid programme, strong technical and business coverage, sector tracks and replay access. |
Prices were checked on and can change by sales stage. VAT, eligibility, pass duration, workshops, catering, expo access and recordings differ. No currency conversion was applied. Always confirm the final price and inclusions on the linked organiser page before booking.
Why These Six European Big Data Conferences Were Selected
Every selected event had a confirmed European date and current official information. Each also met at least one prominence criterion: substantial published scale, established executive-market importance or distinctive multiday technical depth. This is a practical shortlist, not a claim that these are objectively Europe’s six biggest or best events.
- Large standalone data audience: Big Data LDN reports the largest directly data-focused attendance in this comparison and a substantial exhibition and theatre programme.
- Enterprise technology ecosystems: AI & Big Data Expo Europe and Big Data & AI World provide dedicated data programmes plus access to several co-located technology shows. Their shared totals are labelled as ecosystem figures.
- Applied data and analytics breadth: Data Innovation Summit combines technical foundations, business strategy, sector case studies and hybrid access in a large multi-stage programme.
- Executive and analyst prominence: Gartner Data & Analytics Summit is designed for senior data and AI leaders and publishes an expected audience of 3,700+.
- Technical depth and workshop access: Big Data Conference Europe is included for its four-day practitioner programme, hands-on workshops, six tracks and hybrid format.
- International accessibility: all six publish official event information and their latest available programme material in English and address participants beyond a single local-language community.
- Confirmed next edition: every event had an official European date after . Another edition of the same event series was not counted twice.
Audience totals are not treated as a league table. Big Data LDN reports its previous standalone event, Gartner publishes an expected audience, and the largest AI & Big Data Expo and Big Data & AI World figures cover co-located event ecosystems. The table states the scope beside each number.
Big Data Conference Europe vs Other Leading Data Conferences
These head-to-head comparisons focus on the practical decision: technical depth, workshops, event scale, expo access, leadership seniority, hybrid participation and total ticket cost.
Big Data Conference Europe vs Big Data LDN
Choose Big Data LDN for a much larger exhibition environment, hundreds of speakers and a free or low-cost visitor pass. Choose Big Data Conference Europe for a smaller technical learning setting, three full conference days, an optional full-day workshop, hybrid access and session recordings.
Big Data Conference Europe vs AI & Big Data Expo Europe
Choose AI & Big Data Expo Europe when enterprise AI suppliers, product demonstrations and cross-access to eight technology events are the main priorities. Choose Big Data Conference Europe for deeper data engineering and architecture content, a longer programme and a workshop-led learning format with an online option.
Big Data Conference Europe vs Big Data & AI World London
Big Data & AI World is better suited to enterprise buyers who want data-and-AI strategy, solution discovery and access to cloud, DevOps, cybersecurity and data-centre shows. Big Data Conference Europe is more focused on practitioners building data platforms, pipelines, streaming systems, analytics and production AI.
Big Data Conference Europe vs Gartner Data & Analytics Summit
Choose Gartner for CDAO-level strategy, analyst research, executive peer exchange and one-to-one meetings, if the premium ticket fits the budget. Choose Big Data Conference Europe for a lower published price, more hands-on technical content and direct relevance to engineers, architects, scientists and delivery teams.
Big Data Conference Europe vs Data Innovation Summit
Data Innovation Summit offers a larger hybrid audience, a multi-stage programme and broader coverage of business transformation and industry use cases. Big Data Conference Europe offers a smaller six-track setting, a dedicated full-day workshop option and a programme centred more closely on technical data engineering, architecture, cloud and production AI.
Big Data Conference Europe Audience and Team Fit
These first-party figures show the professional mix and planned scale of Big Data Conference Europe 2026. The role distribution is organiser-reported and should be read as directional because the public page does not state its sample size, edition year or collection method.
| Audience dimension | Organiser-reported distribution or scale |
|---|---|
| Professional roles | Data analysts and scientists 28%; data engineers 27%; managers, team leads and executives 17%; software developers 13%; other roles 15% |
| International reach | 700+ attendees from 35+ countries |
| Learning programme | 90+ talks, seven workshops, six parallel tracks and four days |
| Attendance options | Onsite workshop day; onsite or online conference attendance; access to the co-located AI Summit Europe included |
Source: Big Data Conference Europe 2026 overview, accessed .
How to Choose the Right European Big Data Conference
Start with the data problem, skill or business decision you need to improve. Then compare the learning format and total trip cost—not only the event name or headline attendance number.
- Topic fit: decide whether you need deeper data engineering and architecture, analytics and data science, AI adoption, governance, executive strategy or broad vendor discovery.
- Technical depth: check how much of the agenda is aimed at engineers and practitioners rather than buyers, business leaders or general technology audiences.
- Learning format: compare full-day workshops, conference talks, analyst meetings, roundtables, expo theatres, product demos, recordings and online access.
- Team fit: confirm that data engineers, architects, analysts, scientists, governance specialists and leaders can all build useful schedules.
- Event environment: choose between a very large exhibition, an executive summit, a broad hybrid event or a smaller multi-track technical conference.
- Comparable scale: distinguish standalone conference attendance from totals shared across several co-located shows.
- Total cost: include VAT, travel, accommodation, workshops, pass eligibility, catering and whether recordings are included.
- Current information: recheck the official programme and ticket page before booking because prices, speakers and session totals can change.
Research Method and Official Sources
How the Facts Were Checked
Dates, locations, formats, programme scope, published scale and prices were checked on official organiser or organiser-linked registration pages on . All six publish official event information and their latest available programme material in English and address an international professional audience. Data Innovation Summit explicitly states that its presentations are in English; some other 2027 agendas are not yet released.
“Best suited to” statements are editorial recommendations based on each published programme and format; they are not claims made by the other organisers. Search results and conference directories were used to discover candidates, not as evidence for the comparison table.
How Prices Were Compared
A full professional conference pass was used where one was clearly published. Free, workshop, online, public-sector, startup, vendor-specific and approval-based passes are labelled instead of treated as equivalent. Original currencies were retained, and no attempt was made to hide differences in VAT, pass duration, meals, recordings or access rules.
The page should be updated whenever an organiser changes a date, price stage or programme. Big Data LDN’s visitor price is due to change on , and Big Data Conference Europe’s current stage ends on .
What Was Not Included
The shortlist excludes local-language events, academic research conferences, vendor roadshows and general AI conferences without a substantial data or analytics programme. Other specialist events may still be relevant, but they were not selected when they lacked a confirmed forthcoming European edition or did not match this shortlist’s combination of scale, market prominence, multiday technical depth and comparable official information.
Official Source Pages
- Big Data LDN 2026, event format and scale and official tickets — dates, venue, programme, previous attendance, current scale and prices.
- AI & Big Data Expo Europe 2026 and official registration — dates, venue, topics, shared TechEx scale, pass access and prices.
- Big Data Conference Europe 2026 and official tickets — dates, hybrid format, programme, audience, cross-conference access and current prices.
- Big Data & AI World London 2027, published ecosystem reference and 2027 registration interest — dates, focus, co-located access, shared scale and eligibility note.
- Gartner Data & Analytics Summit 2027, audience scale and qualification and official registration — dates, format, audience, programme positioning and prices.
- Data Innovation Summit 2027 and official tickets — dates, hybrid format, countries, speakers, sessions, stages and prices.