K:LDN 2026 took over Tobacco Dock on June 30th, and as a Klaviyo partner, we were in the room. Over 1,000 marketers, operators, and brand builders spent the day hearing where Klaviyo is taking the platform and what the shift toward autonomous marketing actually means in practice. It was a strong event, and there was a lot to bring back.

The vision: autonomous CRM

Klaviyo's framing for the day was deliberate. They're no longer positioning themselves as an email platform. The message across the keynotes was that they're building "the autonomous B2C CRM," a system where data, intelligence, and agents work together so brands can focus on outcomes rather than operations. The platform now processes 2.5 billion events daily, manages 7.3 billion customer profiles, and serves over 196,000 brands across 100 countries. 475 features have shipped since K:LDN 2025.

That context matters. The AI products they're launching aren't bolted on. They're being built on top of a data foundation that's genuinely hard to replicate.

Three product announcements that stood out

Composer entered public beta. This is Klaviyo's AI marketing agent: it audits your flows, segments, and forms, identifies opportunities, and creates launch-ready campaigns from a single text prompt, all grounded in your actual account data. No automation runs without human approval. Campaigns that used to take days take minutes.

Klaviyo Social Marketing moves to general availability on July 7th. This connects Instagram DMs, comments, and mentions directly to customer profiles, so brands can convert social engagement into owned subscribers. Email and SMS lists built from people who are already talking to you on social. That's a meaningful shift for brands who've built audiences on rented channels.

The AI Customer Agent now supports 100+ languages with automatic detection across web chat, email, SMS, and WhatsApp, with zero setup required. For brands with international customers, that removes a real operational barrier. The Customer Agent is already resolving 65% of support queries autonomously. Brands using it have seen 85% increases in SMS revenue and 7x ROI on WhatsApp.

The brand panels

The session lineup included names worth paying attention to. REFY Beauty, Castore, Clarks, Dr. Martens, Paul Smith, Victoria Beckham, Fiorucci, and KIKO Milano were represented in panel discussions across the day. Tinie Tempah joined to talk about building culturally relevant brands that endure without chasing trends. It was a sharp session, and the point landed: the brands with the longest staying power are the ones with a clear identity, not the ones reacting fastest to what's popular.

Castore handled the close of the day well. The venue activations, beauty treatments, personalised sports merchandise printing, fashion showcases, and a Hall of Fame featuring customer case studies as record covers, made for an event that felt as considered as the product announcements it was built around.

What we're taking back to the brands we work with

The thread running through the whole day was consistent. AI tools are becoming more capable, faster than most brands are ready for. But the brands in those panel discussions, the ones with real growth stories to tell, weren't winning because of the tools. They were winning because they had clean data, strong brand identity, and owned channels they'd actually invested in.

Composer and the Customer Agent are going to be genuinely useful for the brands we work with. But they amplify what's already there. If your email list is disengaged, your flows are untested, and your brand voice is inconsistent, the tools make that faster too.

If you want to think through where your brand sits ahead of these changes, start a conversation with us here.