Klaviyo Posts 28% Revenue Growth in Q1 2026, Raises Full-Year Outlook

Event summary

  • Klaviyo reported Q1 2026 revenue of $358 million, up 28% year-over-year.
  • Non-GAAP operating margin reached 16%, a record for the company.
  • Customer count surpassed 196,000, with 4,175 generating over $50,000 in ARR.
  • Net Revenue Retention (NRR) increased to 110%, up 2 percentage points YoY.
  • CFO Amanda Whalen announced her departure, effective August 21, 2026.

The big picture

Klaviyo's strong Q1 2026 results highlight the growing demand for AI-powered CRM solutions. The company's ability to expand its customer base and improve operational efficiency positions it well in a competitive marketing technology landscape. The leadership transition, however, introduces a governance dynamic worth monitoring.

What we're watching

Leadership Transition
The impact of CFO Amanda Whalen's departure on financial strategy and investor confidence.
AI Adoption
How Klaviyo's AI-driven platform enhancements will affect customer engagement and revenue growth.
International Expansion
The pace at which Klaviyo can sustain its 39% revenue growth outside the Americas.