Backblaze, Inc. announced its financial results for the second quarter ended June 30, 2025, on August 7, 2025. The company reported overall revenue of $36.3 million, representing a 16% increase year-over-year. B2 Cloud Storage revenue growth accelerated from 23% to 29% sequentially.
The company achieved an Adjusted EBITDA margin of 18% in Q2 2025, demonstrating continued progress towards its profitability targets. Backblaze also signed its first six-figure B2 Overdrive customer in early Q3, just two months after the product launch, highlighting the value of its solutions for AI workloads.
For the third quarter of 2025, Backblaze raised its B2 revenue growth outlook to between 28% and 30%, an increase from the previous outlook of 25%-28%. The company targets B2 growth to exit at over 30% year-over-year by Q4 2025.
Backblaze maintained its full-year 2025 revenue guidance of $144 million to $146 million. The company also raised its full-year adjusted EBITDA margin guidance from 17%-19% to 18%-20%, reflecting strong performance and anticipated benefits from cost efficiencies. It remains on track to achieve Adjusted Free Cash Flow positive status in Q4 2025.
New cyber security data offerings, including AI-powered 'Anomaly Alerts,' were announced in Q2 and Q3, designed to help customers detect potential suspicious activity. These innovations, coupled with go-to-market transformation, are expanding Backblaze's role as an independent cloud storage provider for the AI-driven future.
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