Klaviyo, Inc. reported significant financial growth in its latest quarterly filing, with revenue for the three months ended June 30, 2025, reaching $293.1 million, a 31.9% increase from $222.2 million in the same period last year. For the six months ended June 30, 2025, revenue totaled $572.9 million, up 32.6% from $432.2 million in the prior year. Despite this growth, the company recorded a net loss of $24.3 million for the quarter, compared to a loss of $4.9 million in the same quarter of 2024. The six-month net loss also widened to $38.4 million from $17.8 million year-over-year.
The increase in revenue was attributed to new customer acquisitions and expanded usage of Klaviyo's platform, particularly in the SMS channel, which accounted for a significant portion of the growth. Approximately 44% of the revenue increase for the quarter came from existing customers, while 56% was generated from new customers. The company reported having over 176,000 customers as of June 30, 2025, with 3,291 of those generating over $50,000 in annual recurring revenue (ARR), marking a 38% increase from the previous year.
Klaviyo's operational expenses also rose, with total operating expenses for the quarter increasing to $253.2 million from $186.0 million in the prior year. This rise was driven by higher selling and marketing costs, which grew by 34.0% to $126.6 million, and research and development expenses, which increased by 30.0% to $72.5 million. The company continues to invest heavily in its platform and marketing efforts, including a strategic partnership with Shopify, which has contributed to its customer acquisition strategy.
In terms of cash flow, Klaviyo reported $70.1 million in net cash provided by operating activities for the six months ended June 30, 2025, compared to $67.1 million in the same period last year. The company ended the quarter with cash, cash equivalents, and restricted cash totaling $936.3 million, reflecting a strong liquidity position. Looking ahead, Klaviyo aims to continue expanding its customer base, particularly in international markets, and to enhance its product offerings, including the recent launch of Klaviyo B2C CRM, which positions the company to better serve consumer brands.
About Klaviyo, Inc.
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