CFOne Raises ¥170M in Pre-Series A

CFOne, a Tokyo, Japan-based AI-powered tax operating system for small businesses, has raised ¥170 million in a pre-Series A funding round, bringing its total funding to ¥200 million.  

Investors

The round was led by Coreline Ventures, with participation from ANOBAKA, alongside financing from Mizuho Bank.  

CFOne Use of Funds

The company will use the funding to accelerate product development, expand marketing efforts to acquire new users, and strengthen hiring for engineering and customer support teams.  

About CFOne  

CFOne Co., Ltd. is a Tokyo-based fintech company that develops CFOne, an AI-powered tax operating system (AI Tax OS) designed to simplify tax management for small businesses and sole proprietors. The platform automates bookkeeping, tax consultations, and tax filing, enabling users to complete tax workflows with only the final approval required. Built by tax professionals, CFOne combines AI automation with expert tax knowledge to modernize Japan's tax infrastructure and improve access to tax services.  

Funding Details  

Company: CFOne Co., Ltd.  
Raised: ¥170M  
Round: Pre-Series A  
Funding Date: June 19, 2026  
Lead Investor: Coreline Ventures  
Additional Investors: ANOBAKA; Mizuho Bank 
Company Website: https://cfone.co.jp/  
Software Category: AI Tax Software / FinTech / Accounting SaaS  
Source: https://prtimes.jp/main/html/rd/p/000000002.000183508.html