Karbon ranked number 360 fastest-growing company in North America on the 2025 Deloitte Technology Fast 500™
Karbon’s 202% revenue growth underscores its leadership in driving accounting’s shift toward modern, automated firm operations.
SAN FRANCISCO, Dec. 15, 2025 — Karbon, the global leader in AI-powered accounting practice management software, today announced it ranked No. 360 on the Deloitte Technology Fast 500™, a ranking of the 500 fastest-growing technology, media, telecommunications, life sciences, fintech, and energy tech companies in North America, now in its 31st year. Karbon grew 202% over this period.
“Being recognized on the Fast 500 reflects our team’s dedication and the real-world impact we’re delivering across the accounting profession,” said Mary Delaney, CEO of Karbon. “With AI-driven workflows and seamless collaboration tools, we’re helping firms serve clients faster, reduce errors, and free up meaningful time for strategic work.”
Karbon previously ranked 442 as a Technology Fast 500 award winner for 2024.
Karbon’s position on the Fast 500 reflects the growing demand for modern solutions that help accounting firms streamline workflows and improve client service, as well as Karbon’s leadership in transforming the way firms operate.
Overall, 2025 Technology Fast 500 companies achieved revenue growth ranging from 122% to 29,738% over the three-year time frame, with an average growth rate of 1,079%.
About the 2025 Deloitte Technology Fast 500™
Now in its 31st year, the Deloitte Technology Fast 500 provides a ranking of the fastest-growing technology, media, telecommunications, life sciences, fintech, and energy tech companies—both public and private—in North America. Technology Fast 500 award winners are selected based on percentage fiscal year revenue growth from 2021 to 2024. In order to be eligible for Technology Fast 500 recognition, companies must own proprietary intellectual property or proprietary technology that significantly contributes to the company’s operating revenues. Companies must have base-year operating revenues of at least US$50,000, and current-year operating revenues of at least $5 million, with a growth rate of 50% or greater. Additionally, companies must be in business for a minimum of four years and be headquartered within North America (United States and Canada).
About Karbon
Karbon, a global leader in AI-powered practice management software for accounting firms, provides an award-winning, collaborative cloud platform focused on streamlining work and communications within a firm and its clients. Karbon drives significant value for its customers, evidenced by its #1 ranking on G2 and customer-reported savings of 18.5 hours per week per employee (2024 Firm Usage Survey). Founded in 2014, Karbon has customers in 33 countries with employees across the US, Australia, New Zealand, Canada and the United Kingdom. Karbon is well-funded and backed by Tidemark, Five Elms, and Blackbird.