Klaviyo

The Piton in the Mountain

In mountaineering, a piton is the small metal spike you hammer into rock before you clip in your rope. It is not glamorous. Nobody photographs the piton. But without it, the climb ends badly. Andrew Bialecki and Ed Hallen named their company after this object on purpose - clavija, the Spanish word for piton. It was their founding thesis made literal: your customers will grow, your data will get complicated, and when something goes wrong, you need something in the wall to catch you.

The two met not at college, not at a startup accelerator, but at Applied Predictive Technologies - an analytics firm in Washington, D.C. that helped large companies make sense of behavioral data. They spent their days building models for enterprises with too much data and not enough clarity. When they turned to e-commerce, they noticed the opposite problem: small and mid-sized brands had plenty of customer activity happening but no real infrastructure to capture or act on it.

So in 2012, working out of Boston, they built it themselves. Both founders wrote every line of code. For three full years they took no outside money - an unusual choice in a tech landscape that celebrates fundraising as a form of sport. They were bootstrapped until 2015, focused on making the product work rather than the pitch deck land.

That restraint shaped the company. Klaviyo did not grow up chasing enterprise logos or Silicon Valley validation. It grew up solving real problems for Shopify merchants who needed to know which customers were about to churn, which products drove repeat purchases, and which abandoned cart emails were actually worth sending. The answer to all three questions lived in the data - and Klaviyo was the first platform to make that data genuinely usable without a data science team.

The Shopify Bet That Paid Off

In August 2022, Shopify wrote Klaviyo a $100 million check. Not as an acquisition attempt. Not as a takeover. As a strategic investment in the platform it had decided was the best marketing stack for its millions of merchants. That kind of endorsement is rare in the CRM world, and it reshaped Klaviyo's trajectory.

The relationship has grown into something closer to infrastructure. Shopify merchants who use Klaviyo saw, on average, 73% revenue growth over three years. The two companies have co-developed features, shared data pipelines, and deepened the integration further in March 2026 to serve global brands expanding into new markets. When Shopify points its merchants toward a marketing tool, they point toward Klaviyo.

Then in February 2026, Google announced a strategic partnership with Klaviyo - connecting Google Search, Ads, AI capabilities, and RCS messaging with Klaviyo's real-time customer data. Two of the most powerful platforms in digital commerce, building toward a future where customer journeys across search, ads, email, and SMS are all coordinated from one place.

The partnerships matter beyond the press releases. They reflect a deliberate product strategy: Klaviyo is not trying to beat Google at ads or Shopify at commerce. It is trying to be the connective tissue between all of it - the single place where customer data from every channel lives and makes everything else smarter.

Things Worth Knowing

The facts that don't make it into the earnings call.