12 Exciting Tech Events in London in 2025

Stay ahead of the innovation curve and get ready to dive into London’s vibrant tech scene!

We selected the top 12 upcoming events in 2025 that cover a wide range of technology sectors, including cybersecurity, artificial intelligence, big data, and more.

From cutting-edge demos to captivating talks, join us as we reveal what the future holds for tech enthusiasts and professionals in the heart of London.

Further Reading:

Dive into the heart of innovation across the pond with 10 Must-See San Francisco Startup Events.
Embark on a journey across the continent’s tech landscape with the 20 Biggest Tech Events in Europe.
Connect with top SaaS professionals and learn from industry experts at the top 10 Key SaaS Events in Europe.

This Article Contains

A Look Ahead: 12 Major Tech Events in London (2025)

Now, onto the good stuff!

A Look Ahead: 12 Major Tech Events in London (2025)

Behold our selection of upcoming events that promise innovation and insights into technology sectors:

1. CTO Craft Con: London

CTO Craft Con: London 2025 promises a dynamic experience, designed to spark new ideas and foster genuine connections.

With a focus on leadership, technology, culture, and well-being, attendees will dive into cutting-edge topics like AI, cybersecurity, and inclusive team building.

This event is about more than just talks; it’s about equipping you with practical strategies, powerful tools, and real-world insights to lead and innovate effectively.

When: 10th to 11th March 2025
Where: QEII Centre, Broad Sanctuary, London SW1P 3EE, United Kingdom|
Cost: Starting from £649 + VAT

Registration link: https://conference.ctocraft.com/london-2025/ticket-types/

2. Tech Show London

Tech Show London dives into cutting-edge advancements in cloud computing, cybersecurity, AI, big data, and beyond.

Featuring hands-on workshops, live demonstrations, and insightful talks from industry experts, this event explores groundbreaking tech innovations.

When: 12th to 13th March 2025
Where: ExCeL London, Royal Victoria Dock, 1 Western Gateway, London E16 1XL, United Kingdom
Cost: Event dependent

Registration link: https://rfg.circdata.com/publish/TSL25/

3. Black Tech Achievement Awards UK 2025

Celebrate innovation and excellence at the Black Tech Achievement Awards, an event spotlighting the contributions of Black professionals in the tech industry.

This inspiring evening honors achievements across categories such as AI Champion, App of the Year, and Diversity Champion.

When: 21st March 2025
Where: JW Marriott Grosvenor House, 86-90 Park Ln, London W1K 7TN, United Kingdom
Cost: £ 500 + VAT (Discounts available for tables of 10 and 12)

Registration link: https://btaawards.com/book-now/

4. State of the Browser 2025

State of the Browser is a one-day, single-track conference featuring diverse talks on the modern web, accessibility, and web standards.

It’s organized by London Web Standards, a platform that also offers monthly meetups covering topics like HTML, JavaScript, CSS, web fonts, design systems, UX, and front-end performance.

With flexible pricing and a relatively intimate environment, anyone interested in internet technology should add this event to their calendar.

When: 29th March 2025
Where: Barbican Centre, Silk St, Barbican, London EC2Y 8DS, UK
Cost: Starting from £60 (you can choose to pay more)

Registration link: https://2025.stateofthebrowser.com/tickets/

5. Generative AI Summit 2025

Discover how to supercharge your AI capabilities at the Generative AI Summit hosted by the AI Data Analytics Network.

You’ll learn from AI experts how to streamline workflows, boost performance, and make AI adoption smoother across your business. Whether you’re looking to grow, innovate, or just stay ahead in the AI game, this summit gives you the tools to do it.

When: 31st March to 2nd April 2025
Where: 1 Shortlands Hammersmith International Ctre, London W6 8DR, United Kingdom
Cost: Starting from £1,199 + 20% UK VAT

Registration link: https://www.aidataanalytics.network/events-generativeaisummit/srspricing

6. The Digital Transformation Conference London 2025

The Digital Transformation Conference convenes enterprise leaders across three stages to share actionable insights and real-world examples of business and organizational change. With over 24 speakers from diverse industries, the event covers technology, innovation, and strategy.

The event facilitates learning, inspiration, and connection in the ever-evolving landscape of digital transformation.

When: 15th May 2025
Where: TBA
Cost: Starting from £99

Registration link: https://digitaltransformationconf.co.uk/

7. London Tech Week

London Tech Week is where innovators, investors, and tech leaders gather to explore how technology is shaping the future. From AI to quantum computing, green innovation, and deep tech, this event dives into the latest breakthroughs transforming industries.

Whether you’re a startup, enterprise, or investor, this immersive experience offers a unique opportunity to stay ahead in tech.

When: 9th to 13th June 2025
Where: Olympia London, Hammersmith Rd, London W14 8UX, United Kingdom
Cost: Starting from £195 for startups or £395 for general admission

Registration link: https://londontechweek.com/registration

8. Techspo London 2025

Techspo London highlights groundbreaking innovations in areas such as AI, IoT, and mobile technology, presenting the tools that are shaping tomorrow’s world.

Attendees can explore these advancements through hands-on demonstrations, connect with peers during networking sessions, and gain valuable insights from industry experts.

When: 28th to 29th August 2025
Where: Sofitel London Heathrow Hotel, Terminal 5 london heathrow airport, London TW6 2GD, United Kingdom
Cost: All-access passes start from £478.66

Registration link: https://techspolondon.co.uk/register/

9. Data Architecture London 2025

At Data Architecture London 2025, industry leaders from diverse sectors will explore both current and future applications of data architecture.

This edition features newly introduced networking sessions, Q&A opportunities, keynote speeches, and interactive roundtables and panels with data and AI experts to address common challenges.

Targeting data architects, scientists, and technology leaders, the event highlights the latest tools and emerging trends, while offering extensive networking to drive innovation and growth.

When: 10th September 2025
Where: The Hilton London Tower Bridge, 5 More London Pl, Tooley St, London SE1 2BY United Kingdom
Cost: Starting from £499 for end users and £1,999 for vendors

Registration link: https://data-architecture-uk.coriniumintelligence.com/registration-pricing

10. Big Data LDN

Big Data LDN is an essential gathering for professionals in data, analytics, and AI, offering free entry.

Spanning two days, the event facilitates knowledge exchange, best practice sharing, and relationship building within the data community.

Attendees benefit from direct consultations, hands-on product demonstrations, and a comprehensive seminar program across 15 theaters, providing the insights needed to tackle data issues and craft strategic decisions.

When: 24th to 25th September 2025
Where: Olympia Events, Hammersmith Rd, London W14 8UX, United Kingdom
Cost: Free

Registration link: https://www.bigdataldn.com/en-gb/enquire.html

11. Future PMO

FuturePMO is an event dedicated to reshaping how Project Managers operate and deliver value.

Through workshops, expert-led sessions, and interactive discussions, attendees explore innovative tools, techniques, and strategies for enhancing project management practices.

Designed to inspire and educate, this event emphasizes collaboration, practical insights, and future-ready approaches to help tech organizations excel.

When: 30th October 2025
Where: Novotel London West, 1 Shortlands Hammersmith International Ctre, London W6 8DR, United Kingdom
Cost: Starting from £365

Registration link: https://www.futurepmo.com/tickets/

12. The Business Show London 2025

For many years, the Business Show London has ignited entrepreneurial journeys for startups and SMEs.

Backed by tech industry titans like Intuit QuickBooks and Dell Technologies, this trade show offers networking, panels, and masterclasses on cybersecurity and sustainable growth.

And with a staggering lineup of 750+ exhibitors and 200 seminars, you’re in for an unforgettable experience.

When: 12th to 13th November 2025
Where: ExCeL London, Royal Victoria Dock, 1 Western Gateway, London E16 1XL
Cost: Free

Registration link:
https://www.cognitoforms.com/BusinessShowMedia1/TheBusinessShow2025Registration