About
Basis builds autonomous AI agents that perform accounting work end to end for accounting firms across client accounting services, tax, audit, advisory, and bookkeeping. Its differentiation is a unified accounting intelligence that understands accounting logic, adapts to each engagement, and delivers finished outputs for human review rather than simply adding a chatbot to existing data.
Market
Basis competes in AI-native accounting workflow automation for professional accounting firms, positioning one platform and autonomous agents across CAS, tax, audit, and advisory rather than a single point solution. Its differentiation is end-to-end execution with finished work delivered for accountant review, supported by a multi-agent architecture that routes complex accounting tasks to specialized models; competitors such as Fieldguide, Karbon, Numeric, Botkeeper, and Vic.ai are more concentrated in audit/advisory, practice management, close automation, bookkeeping, or AP automation.
Basis targets professional accounting firms, particularly larger or top-performing firms with CAS, tax, audit, and advisory practices. Accountants and reviewers are the primary users, while firm and practice leaders are the likely economic buyers seeking greater capacity and more automation.
At a Glance
Problem
Accounting firms spend substantial time executing repetitive but judgment-sensitive workflows across client accounting services, tax, audit, and advisory. The work includes complex journal entries, difficult reconciliations, technical accounting memos, and tax workbooks—labor-intensive tasks that constrain firm capacity and keep accountants focused on production rather than higher-value review and client advice. Basis claims its agents can save firms up to 30% of their time, creating additional capacity for advisory and growth.
The clearest “killer” use case is completing a partnership tax workbook end to end, while other examples include preparing journal entries, debugging reconciliations, and drafting technical accounting memos. The underlying economic value is increased output per accountant, fewer review cycles, and the ability to take on more client work without proportionally expanding headcount.
Product / Service
Basis is an AI-agent platform built specifically for accounting firms. Its agents learn an engagement, work with existing ledgers and file systems, and execute accounting workflows in the background under accountant direction. The platform covers core practice areas including CAS, Tax, Audit, and Advisory, with workflows designed to produce finished work at a quality level suitable for accountant review.
Rather than replacing professional oversight, Basis shifts accountants from doing the work to reviewing and directing it. The system updates teams at key stages, conforms to a firm’s standards and engagement-specific processes, and delivers outputs ready for review. The intended benefit is better work product, fewer review cycles, and more time for accountants to apply judgment, manage agents, and advise clients.
Market
Basis competes in the emerging market for AI-powered accounting workflow automation, within the broader fintech and finance-and-accounting technology categories. The available research does not identify named direct competitors, so a precise competitor ranking would be speculative; its relevant competitive arena is the set of platforms seeking to automate professional accounting work while preserving accountant review and control.
Basis is not pre-revenue in the practical sense: the company says top accounting firms use it across CAS, Tax, and Audit, and its jobs materials describe deployment with leading firms and a rapidly growing customer base. Its site features firms including Wiss, BPB, UHY, Clark Nuber, and Boulay, while third-party company data reports a $100 million Series B and approximately $137.6 million in total disclosed funding. Exact revenue and customer-count figures are not established by the available sources, but the customer deployments, named references, and financing indicate substantial commercial traction.
Founders & Leadership
Funding History
Better Tomorrow Ventures
Khosla Ventures
Accel, GV (Google Ventures)
Recent News
Basis published an engineering post introducing behavior specifications as an open standard for supervising long-horizon AI agents.
Basis published an Insights article titled “You're More Ready for AI Than You Think,” addressing organizational readiness for AI adoption.
Accountio covered Basis’s $1.15 billion valuation and its autonomous accounting agents for accounting, tax, and audit workflows. The article notes integrations with QuickBooks, Xero, and major ERP systems.
Sikich announced a partnership to incorporate Basis into its client accounting services delivery model. The platform integrates with ERP systems and automates parts of month-end close, transaction processing, and reconciliation workflows.
Baker Tilly announced a collaboration with Basis to expand AI-enabled automation across accounting and finance managed services.
Basis raised $100 million in Series B funding at a $1.15 billion valuation, led by Accel with participation from GV and other investors. The company also highlighted an AI agent that autonomously completed an end-to-end 1065 tax return.
Basis began a company blog series describing how it is building the business to prepare for and take advantage of advances toward artificial general intelligence.
OpenAI profiled Basis’s use of OpenAI o3, o3-Pro, GPT-4.1, and GPT-5 to power accounting agents for reconciliations, journal entries, and financial summaries. The profile says the agents can help accounting firms save up to 30% of their time and describes close collaboration between the companies.
Active Roles
2Business Model
Basis operates as a B2B accounting-software platform, selling access to autonomous AI agents and workflow automation for accounting firms. Its public site uses a waitlist and contact-led onboarding rather than publishing prices, so specific subscription, usage, or enterprise-contract pricing is not disclosed.
Products
Customers
Tech Stack
Similar Companies
Competitors
Key Investors
Khosla Ventures, Better Tomorrow Ventures, BoxGroup, Nat Friedman, Daniel Gross, Hersh Desai, Avid Ventures, Keith Rabois