Funding

Basis, The Leading AI Agent Platform For Accountants, Raises $100M At $1.15B Valuation

Feb 27, 2026 | By Kailee Rainse

Basis has closed a $100 million Series B round, valuing the company at $1.15 billion. The round was led by Accel (Miles Clements), with participation from GV (Google Ventures), Lloyd Blankfein, and existing investors including Khosla Ventures (Keith Rabois, Vinod Khosla), who doubled down on their support.

SUMMARY

Basis has closed a $100 million Series B round, valuing the company at $1.15 billion. The round was led by Accel (Miles Clements), with participation from GV (Google Ventures), Lloyd Blankfein, and existing investors including Khosla Ventures (Keith Rabois, Vinod Khosla), who doubled down on their support.

Other notable investors include NFDG (Nat Friedman & Daniel Gross), Better Tomorrow Ventures, BoxGroup, Avid Ventures, and tech leaders such as Aaron Levie (Box), Adam D’Angelo (Quora), Clem Delangue (HuggingFace), Jeff Dean (Google), Jeff Wilke (Amazon), among others. Miles Clements (Accel) will join Keith Rabois (Khosla Ventures) on the board.

The accounting sector faces mounting challenges, including talent shortages, rising client expectations, staff burnout, and shrinking margins. Basis is helping firms overcome these pressures by deploying AI agents that automate complex workflows across CAS, Tax, and Audit, currently supporting ~30% of the Top 25 accounting firms.

Similar to leading AI coding platforms, Basis develops “long-horizon” AI agents that autonomously handle complex accounting workflows over extended periods, delivering accurate results. Collaborating closely with top foundation model labs, Basis equips accounting firms with state-of-the-art outcomes.

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These agents work continuously in the background, coordinating tasks across multiple accounting processes and returning completed deliverables for review.

The company recently demonstrated the first AI agent capable of autonomously completing an end-to-end 1065 tax return.

The new funding will accelerate the development of more advanced agents for increasingly complex workflows and support the expansion of Basis’ 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,” said Matt Harpe, CEO and Co-Founder of Basis.

About Basis

Basis (founded 2023) is an AI platform for accounting firms, providing accountants with a team of autonomous AI agents. These agents are specifically built to handle complex accounting workflows, boosting efficiency, accuracy, and productivity across CAS, Tax, and Audit.