AI-Native Startups transforming Accounting departments

Accounting is no longer about spreadsheets, manual reconciliations, or outsourcing to BPOs. A new generation of AI-native startups is reshaping how mid-to-large companies handle finance operations. These companies don’t just “add AI” to legacy tools, they are built from the ground up with AI agents and automation at their core.

Here are some that are standing out and leading the charge.

Finnt (Disclaimer: this is us)

• Funding: $3.5M
• Location: San Francisco, CA & Miami, FL
  Finnt takes AI-native accounting to the enterprise level. Its AI agents execute accruals, reconciliations, controllership procedures, and reporting delivering Excel files with full auditability down to the formula. Finnt is SOC 2 compliant, built for Fortune 500 scale, and helps finance teams cut 90% of manual work while producing reports 10× faster than traditional processes. At a fraction of BPO cost, Finnt is redefining what enterprise accounting automation looks like.

Rillet

• Funding: $70M Series B
• Location: San Francisco, CA
  Rillet is building an AI-native ERP to replace outdated accounting systems. By integrating directly with tools like Salesforce, Stripe, and Brex, Rillet automates ledgers and close processes in real time. Backed by Andreessen Horowitz and ICONIQ, the company has scaled rapidly with Fortune 500 clients.

Basis

• Funding: $34M Series A
• Location: New York, NY
  Basis creates AI agents for accounting firms, focused on transaction entry, validation, and audit prep. It integrates with widely used systems such as QuickBooks and Xero, helping firms reduce manual data entry and improve control without adding headcount.

Simetrik

• Funding: $30M Series B
• Location: Bogotá, Colombia & Miami, FL
  Simetrik provides end-to-end enterprise accounting automation, designed with compliance and financial controls in mind. Its platform is especially relevant for multinational companies dealing with complex reporting requirements.

Fieldguide

• Funding: $30M Series B
• Location: San Francisco, CA
  Fieldguide is an AI-driven platform for audit and compliance. CPA firms use it to automate repetitive audit tasks, improve accuracy, and address the growing shortage of accountants. The company has quickly become a trusted partner to some of the largest audit practices.

Abacum

• Funding: $60M Series B
• Location: Barcelona, Spain & New York, NY
  Abacum, a Y Combinator alum, is an AI-powered FP&A platform. It helps finance teams model scenarios, forecast outcomes, and collaborate on strategic planning. Its enterprise customers use it to modernize the planning process and bridge the gap between accounting and strategy.