AI accounting startup Basis said Feb. 24 it has raised $100 million in Series B funding—led by global venture capital firm Accel, along with GV (Google Ventures), billionaire investment banker Lloyd Blankfein, and with Khosla Ventures and other existing backers—at a $1.15 billion valuation.
Founded by Matthew Harpe and Mitchell Troyanovsky, the New York City-based startup has raised $138 million thus far and said its platform is used by approximately 30% of the top 25 accounting firms, deploying agents that complete complex accounting workflows end to end across their client advisory services, tax, and audit practices.
Basis said it will use the capital to accelerate development of its platform and to expand its engineering and machine learning teams.

“Our sole focus is to equip accountants with the highest performing, most accurate AI for accounting and to empower firms to drive new growth, provide higher-value service, and improve accountant quality of life across every one of their practices,” Harpe, CEO of Basis, said in a statement.
“What stands out about Basis is how deeply they think about architecting and deploying real agents that do real work in the real economy,” added Miles Clements, partner at Accel. “Across multiple investments at the frontier of AI, we’ve seen the same pattern again and again: teams that get the fundamentals right tend to pull away quickly. Basis is years ahead in accounting AI, and we believe it has what it takes to define this category as it matures.”
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Similar to popular AI coding platforms, Basis said its approach entails building “long-horizon” agents that autonomously work on complex accounting workflows over many hours to deliver accurate results. Basis works closely with leading foundation labs to deliver accounting firms these state-of-the-art outcomes.
These agents operate continuously in the background, coordinating tasks across accounting processes and returning completed deliverables for review. The company said it recently demonstrated the first AI agent to autonomously complete an end-to-end 1065 tax return.
“Basis is already radically changing how work gets done at the best firms, driving 20% to 50% efficiencies across practices. In 2026, we expect Basis to drive the same step-change in accounting that software engineering saw in 2025,” Vinod Khosla, founder of Khosla Ventures, said in a statement.
Basis is also taking a novel, agent-native approach inside the company, with a dedicated team called Atlas, responsible for building internal agents across engineering, sales, and talent, among others.
“Basis is building the agent-native organization of 2030. We have too much to do in too little time, and [they] are executing with rare clarity and speed,” said Keith Rabois, managing director at Khosla Ventures.
More information about Basis can be found here.
Photo credit: Basis via LinkedIn
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