Basis
Category: AI Agents
AI agents that autonomously complete complex end-to-end accounting workflows across Tax, Audit, and Client Advisory Services (CAS) practices, running for hours with full visibility and human control. Basis was founded in 2023. The company is led by Matt Harpe. Based in New York, United States. Team size: 51-100. Total funding raised: $138M. Latest round: Series B ($100M, Feb 2026). Key investors include Accel, GV (Google Ventures), Khosla Ventures, Better Tomorrow Ventures, Lloyd Blankfein.
AMW Analysis
Basis develops AI agents that autonomously complete complex, end-to-end accounting workflows across tax, audit, and Client Advisory Services (CAS) practices, designed to run for hours with full human visibility and control. The company targets the critical accounting talent shortage, claiming 20-50% efficiency improvements for its clients.
Recent news flow shows rapid scaling and market validation. In February 2026, Basis raised a $100M Series B at a $1.15B valuation, with participation from Accel, GV, Lloyd Blankfein, and Khosla Ventures. At that time, the company served approximately 7 of the top 25 U.S. accounting firms. By March 2026, that figure had grown to 30% of the top 25 firms. The funding round and accelerating enterprise adoption indicate that AI agents in professional services are moving from experimentation into mainstream deployment, with Basis positioned as a key player automating regulated, multi-step workflows that were previously defined by billable hours.
AMW analysis, generated from 5 tracked news signals.
- Founded
- 2023
- Headquarters
- New York, United States
- Team size
- 51-100
- Total funding
- $138M
Value proposition
Delivers 20-50% efficiency improvements by automating complex accounting workflows end-to-end, addressing the critical accounting talent shortage.
Products and solutions
CAS (Client Advisory Services) Agents, Tax Agents (1065), Audit Agents, Advisory Tools, Multi-Agent Orchestration Platform
Unique value
First AI platform to demonstrate autonomous completion of complex 1065 partnership tax returns end-to-end. Uses 'long-horizon' agents that run autonomously for hours.
Target customer
Mid-to-large accounting firms (Top 25 national and major regional firms)
Industries served
Public Accounting, Tax Services, Audit & Assurance, Client Accounting Services (CAS), Financial Advisory
Technology advantage
Multi-agent architecture leveraging multiple OpenAI models (GPT-5, GPT-4.1, o3, o3-Pro). 100% success rate on parallel tool calling benchmarks.
How they differentiate
Only platform with autonomous long-horizon AI agents that complete complex end-to-end accounting workflows. Multi-agent architecture leveraging GPT-5.
Main competitors
DataSnipper, Numeric, Vic.ai
Key partnerships
OpenAI, Wiss & Co., UHY LLP, BPB, Clark Nuber, Intuit QuickBooks, Xero, Bill.com, Baker Tilly
Notable customers
Wiss & Co., UHY LLP, BPB, Clark Nuber, Boulay PLLP, MarksNelson LLC, Pinion LLC
Major milestones
October 2023: Seed round $3.6M, December 2024: Series A $34M, February 2026: Series B $100M at $1.15B valuation, First autonomous 1065 tax return completion, Deployment across ~30% of Top 25 US accounting firms
Growth metrics
Achieved unicorn status ($1.15B valuation). Deployed across ~30% of Top 25 US accounting firms. 20-50% efficiency improvements.
Market positioning
Premium unicorn ($1.15B valuation) targeting firm-wide deployments at Top 25 US accounting firms.
Geographic focus
United States
Patents and IP
No registered patents disclosed as of February 2026
About Matt Harpe
Co-founder & CEO at Basis (Jan 2023-Present). Previously Consultant at Boston Consulting Group (BCG) from 2018-2021. Director at Harvard College Consulting Group (2015-2018). Investment team experience at SoftBank Investment Advisers and SHL Capital.
Latest news about Basis
- Basis just raised $100M at a $1.15B valuation with 30% of Top 25 accounting firms already on board. This signals a massive shift: AI agents are moving from experimentation to mainstream adoption in pr
- AI accounting startup Basis raised $100M Series B at a $1.15B valuation, with participation by Accel, GV, Lloyd Blankfein, and Khosla Ventures. Its agentic AI platform learns client-specific needs and
- Clearly AI has raised $8.4M in seed funding led by Basis Set Ventures while simultaneously earning a Top 10 finalist spot in the RSAC 2026 Innovation Sandbox contest with a $5M SAFE investment. The Se
- Basis is set to raise Series B funding led by Accel at a valuation up to 1.5 billion dollars. This rapid unicorn status reflects a systemic shift where AI moves from simple support to executing comple
- Mem0 just secured $24 million in Series A funding from Basis Set Ventures, Peak XV, and Y Combinator, validating a critical shift in AI infrastructure. This investment directly addresses the core limi
More AI Agents companies
Official website: https://www.getbasis.ai/