8 Marketing Conferences in London for CMOs & Marketing Leaders in 2026

London has no shortage of marketing conferences.
What does it have a shortage of?
Time, patience, and tolerance for another day of “networking” with lukewarm coffee and recycled slide decks.

For CMOs and senior marketing leaders, the question isn’t whether to attend conferences in London, it’s which ones are actually worth leaving the office for.

Don't worry, we’ve hosted over 40 marketing leaders in 2025 alone to know what matters in this industry. Hosting an event specifically in London is not as straightforward. You need to think about the logistics and the people dynamics. Some of those learnings can be found here. 

Marketers love to network, learn and connect with peers, especially to test new innovative strategies to reach their target audience. However, like many audiences these days, they are overwhelmed with a lot of fluff, generic gatherings, and outdated discussions. 

Events are also close to marketing leaders both on a personal level and professional for one simple reason. Events are excellent for building trust, brand and intent.

This article is for marketing leaders marketing to other marketing leaders.

Specifically for those looking for the ideal marketing conferences to sponsor this year. Or if you’re just browsing as you love attending. Either way, we got you covered.

TL;DR in case you just want the list and don’t want to read the justifications and get pricing insights of these events. 

Quick list of CMO Conferences in London

1. B2B Growth Expo London

📅 3–4 March 2026 — London Olympia

🔗 https://www.b2bgrowthexpo.com / 

💷 Pricing: Exhibitor Stand approx. £300 (public ticket pricing not widely published)

📌 Why attend: A focused expo for B2B growth and lead generation strategies, ideal for marketing directors and demand-gen leaders looking to connect with tool providers and share best practices.

Not ideal for:

• CMOs or Heads of Marketing looking for deep demand gen, ABM, or revenue strategy
  
  
• Leaders uninterested in experiential, events, or brand activations
  
  
• Data- or performance-led marketers seeking advanced analytics or pipeline frameworks
  
  

Why:
Confex is events- and experience-heavy, with marketing content skewed toward brand activations, live experiences, and agency creativity. Strategic B2B revenue leaders may find the content too tactical or brand-centric.

2. International Confex

📅 25–26 February 2026 — ExCeL London
🔗 https://www.international-confex.com/ / https://www.excel.london/whats-on/international-confex-2026
💷 Pricing: Free general attendance; optional paid sponsorship packages available (varies by theater and branding level)
📌 Why attend: A massive events and experiential marketing conference with sessions on creativity, AI, agency-brand alignment, and practical strategies, great for marketers involved in live events, brand activations, and cross-channel engagement.

Not ideal for:

• Enterprise CMOs or global Heads of Marketing
  
  
• Leaders looking for strategic depth or peer-level insight
  
  
• Marketing teams with mature ABM or RevOps models
  
  

Why:
This is more of a growth marketplace and SME-focused expo. Useful for networking and tools, but lighter on senior-level strategy and less curated for executive decision-makers.

3. Gartner Marketing Symposium/Xpo™

📅 11–12 May 2026 — London
🔗 https://www.gartner.com/en/conferences/emea/marketing-symposium-uk
💷 Pricing: ~€3,850 – €4,400 + VAT (≈£3,300 – £3,800)
📌 Why attend: A high-level strategic summit designed for marketing executives and CMOs, with deep insights on data, CX, AI integration, and ROI-driven leadership.

Not ideal for:

• CMOs who want highly curated, invite-only peer discussion
  
  
• Leaders allergic to vendor-heavy environments
  
  
• Executives focused solely on B2B enterprise revenue strategy
  
  

Why:
DMWF is broad and high-volume. While senior leaders attend, the experience can feel noisy, with mixed seniority levels and strong martech sponsorship presence.

4. Digital Marketing World Forum (DMWF Global)

📅 6–7 May 2026 — ExCeL London
🔗 https://www.digitalmarketing-conference.com/global/
💷 Pricing: ~£599 – £849 (estimate based on previous editions)
📌 Why attend: One of the UK’s largest digital marketing conferences with multi-track content across AI, media, CRM, performance marketing, and customer engagement, ideal for senior digital leaders.

Not ideal for:

• Start-up or scale-up marketing leaders with limited budgets
  
  
• Hands-on practitioners looking for tactical execution guidance
  
  
• Leaders seeking intimate networking or relationship building
  
  

Why:
Gartner is strategic, analytical, and research-heavy. It’s excellent for validation and frameworks, but lighter on practical execution stories and informal peer connection.

5. Marketing Week Live

📅 (Date to be confirmed, mid-2026 likely) — Central London
🔗 https://www.marketingweek.com/marketing-week-live
💷 Pricing: Around $600 / ~£500 (indicative)
📌 Why attend: A one-day immersive conference with data-backed sessions and benchmarking trends, ideal for strategy-focused marketers aiming to tackle real-world challenges and skills gaps.

Not ideal for:

• Performance-only or demand-gen-only leaders
  
  
• Leaders uninterested in brand, culture, and skills development
  
  
• Marketers seeking technical deep dives into martech stacks
  
  

Why:
Marketing Week Live is brand, leadership, and capability-oriented. It’s inspirational and insightful, but not designed for detailed operational or pipeline strategy.

6. Technology for Marketing & eCommerce Expo

📅 23–24 September 2026 — ExCeL London
🔗 https://www.technologyformarketing.co.uk/ and https://www.ecommerceexpo.co.uk/
💷 Pricing: Free general admission; exhibitor packages vary (typically from £2,000+)
📌 Why attend: A major dual-show focusing on MarTech, AI, data, and eCommerce trends , powerful for leaders who must balance tech stacks with execution strategies, analytics and customer experience.

Not ideal for:

• CMOs who already have a locked martech stack
  
  
• Leaders seeking strategy-first, non-vendor content
  
  
• Executives focused on relationship-led or account-based growth
  
  

Why:
This event is tool-centric. Valuable for discovery and comparison, but less helpful if your challenge is buyer engagement, executive access, or pipeline quality, rather than tooling.

7. B2B Marketing Live / B2B Marketing Expo

📅 18–19 November 2026 — ExCeL London
🔗 https://www.b2bmarketingexpo.co.uk/
💷 Pricing: Historically free for qualified visitors or low-cost tiers; exhibitor pricing varies (often £50–£500+)
📌 Why attend: The UK’s leading B2B marketing event, with hundreds of sessions on lead generation, alignment, ABM, content and demand generation, plus extensive vendor showcases, essential for B2B strategists and ops leaders.

Not ideal for:

• Brand-first or creative-led marketing leaders
  
  
• CMOs who delegate tech decisions entirely to ops teams
  
  
• Leaders looking for large-scale expo experiences
  
  

Why:
The MarTech Summit is focused and technical, ideal for stack alignment and automation strategy, but less relevant for leaders prioritising human engagement, relationships, or experiential ABM.

8. The MarTech Summit London

📅 10–11 November 2026 — London City Venue (e.g., Convene 155 Bishopsgate)
🔗 https://themartechsummit.com/london
💷 Pricing: Discounted early bird and complimentary passes available for practitioners; sponsored passes higher
📌 Why attend: A global MarTech-centric summit that blends strategic thinking with hands-on tech evaluation, important for leaders aligning marketing with tech stacks, data strategy and automation.

Not ideal for:

• Senior CMOs who want highly exclusive peer environments
  
  
• Leaders frustrated by surface-level ABM or lead-gen conversations
  
  
• Executives who want fewer vendors and more depth
  
  

Why:
It’s the UK’s largest B2B marketing event, which means scale over intimacy. Great breadth, but senior leaders may find themselves filtering heavily to extract value. 

Summary

In case you want a graphic that summarizes these events to map out your attendance or sponsor strategy you can refer to the below: 

Conclusion: Beyond Marketing Conferences in London

Marketing conferences in London will always play an important role in shaping thinking, surfacing trends, and exposing leaders to new ideas, tools, and peers. From large-scale expos to strategy-led symposiums, they offer breadth, visibility, and inspiration.

Doing conferences right is also a bit issue we see in the market. Yes, conferences can be very noisy for enterprise sales acquisition. Cause audiences vendor fatigue, however, there are some exceptional use cases. 

But as this landscape shows, most conferences are designed for scale, not certainty.

For senior marketing leaders tasked with driving pipeline, influencing executive buyers, and delivering measurable revenue impact, the limitation is clear: access is broad, but engagement is shallow. Conversations are brief, audiences are mixed, and meaningful follow-up is never guaranteed. 

That’s where a more intentional approach becomes essential.

At Convergex Connections, we help marketing leaders complement (or replace) traditional marketing conferences in London with curated, intimate engagement experiences built specifically for ABM and enterprise growth. Instead of hoping the right decision-makers attend your session or stop by your stand, we design environments where the right people are already in the room—prepared, relevant, and ready to engage.

Through executive dinners, private roundtables, and moderated discussions, we turn marketing strategy into real conversations, verified intent, and guaranteed meetings. The result isn’t just awareness, it’s momentum, alignment, and pipeline you can be confident in.

Because in a market where attention is scarce and buyers are selective, the future of effective marketing leadership isn’t about attending more events, it’s about creating fewer, better, and more meaningful ones. 

Do you agree with our justifications?