Klaviyo Delivers Strong Q1 2026 Results

First quarter revenue of $358.0 million, representing 28% year-over-year growth

Raises FY26 revenue guidance to $1.514 billion to $1.522 billion, for year-over-year growth of 23%

BOSTON--(BUSINESS WIRE)-- Klaviyo (NYSE: KVYO), the autonomous B2C CRM, today announced results for its first quarter ended March 31, 2026.

"Q1 reflected strong momentum across our business as Klaviyo's autonomous strategy continues to take hold, with 28% revenue growth and our strongest operating margin as a public company," said Andrew Bialecki, co-founder and co-CEO of Klaviyo. "More brands than ever are utilizing more of Klaviyo's platform to drive better results. Delivering meaningful customer experiences at scale requires AI grounded in real data. Agents are only as good as the systems beneath them, and we've spent 14 years building exactly that foundation."