How much funding has CFOne raised?

CFOne has raised $1.33M in total funding. Their latest funding round was Pre-Series A. Key investors include Coreline Ventures, ANOBAKA, Mizuho Bank.

Where is CFOne headquartered?

CFOne is headquartered in Toranomon, Minato-ku, Tokyo, Japan. The company has a team of 11-50 people.

CFOne operates in the AI in Fintech sector. AI-powered tax operating system (AI税務OS) for Japanese SMEs and sole proprietors, offering an "approve-only" tax experience at ¥100,000/year AI tax OS that automates bookkeeping, tax filing, and advisory for small businesses — users only need to "approve" while AI agents handle the rest, backed by licensed tax accountants

When was CFOne founded?

CFOne was founded in 2023. It is based in Toranomon, Minato-ku, Tokyo, Japan.

How much funding has CFOne raised?

CFOne has raised $1.33M in total funding. Key investors include Coreline Ventures, ANOBAKA, Mizuho Bank.

Who is the CEO of CFOne?

Yuta Kimura (木村優太) is the CEO of CFOne. The company was founded in 2023.

Where is CFOne located?

CFOne is headquartered in Toranomon, Minato-ku, Tokyo, Japan.

What funding stage is CFOne at?

CFOne is currently at the Growth Stage stage.

How many employees does CFOne have?

CFOne has approximately 11-50 employees.

CFOne

Category: AI in Fintech

AI-powered tax operating system (AI税務OS) for Japanese SMEs and sole proprietors, offering an "approve-only" tax experience at ¥100,000/year CFOne was founded in 2023. The company is led by Yuta Kimura (木村優太). Based in Toranomon, Minato-ku, Tokyo, Japan. Team size: 11-50. Total funding raised: $1.33M. Latest round: Pre-Series A. Key investors include Coreline Ventures, ANOBAKA, Mizuho Bank.

Founded: 2023
Headquarters: Toranomon, Minato-ku, Tokyo, Japan
Team size: 11-50
Total funding: $1.33M

Value proposition

AI tax OS that automates bookkeeping, tax filing, and advisory for small businesses — users only need to "approve" while AI agents handle the rest, backed by licensed tax accountants

Products and solutions

CFOne (シフォン) AI Tax OS — AI-powered bookkeeping, chat-based tax consultation, automated tax filing, risk alerts, and unlimited web meetings with tax accountant staff. Two plans: 自分プラン (¥100K/yr self-plan) and おねがいプラン (¥300K/yr full-service plan)

Unique value

"Approve-only" tax experience at ¥100,000/year — AI agents continuously understand each client's business context, proactively propose actions, and handle everything from receipt auto-journaling to tax filing, with human tax accountant oversight

Target customer

Japanese SMEs (small and medium enterprises), sole proprietors, freelancers — businesses with 10 or fewer employees

Industries served

Tax & Accounting for Small Businesses

Technology advantage

AI agents built on tax accountant-designed algorithms; integrates with freee cloud accounting; AI handles 80%+ of tax work with human-in-the-loop for final approval; built by practicing tax accountants who understand Japan's unique tax code and business practices

How they differentiate

Unlike freee/MoneyForward (DIY tools) or traditional tax accountants (expensive at ¥400K-500K/yr), CFOne combines AI automation with licensed tax accountant oversight at a fraction of the cost (¥100K/yr). The AI proactively monitors each client's business and makes suggestions rather than just processing inputs. Built and operated by actual tax accountants, not just software engineers.

Main competitors

freee (クラウド会計ソフト freee), Money Forward (マネーフォワードクラウド会計), Traditional tax accounting firms (税理士事務所)

Key partnerships

freee (data integration partnership), Mizuho Bank (debt financing partner)

Notable customers

~50 pilot customers (sole proprietors and small businesses) as of June 2026, 90% order rate in pilot

Major milestones

Founded August 2023 as Taxsy Inc., Renamed to CFOne Inc., Launched CFOne AI Tax OS in winter 2025, 50+ pilot customers with 90% order rate, Raised ¥170M Pre-Series A in June 2026 (cumulative ¥200M), Full-scale service launch June 2026

Growth metrics

50+ pilot customers; 90% order rate; targeting 500 customers by end of 2026; ARR target of several hundred million JPY

Market positioning

Disrupting Japan's SME tax advisory market by offering AI-powered tax services at ~1/4 the cost of traditional tax accountants, targeting the underserved gap between DIY cloud accounting tools and expensive full-service tax accountants

Geographic focus

Japan

About Yuta Kimura (木村優太)

Ex-freee導入実績全国1位の会計事務所 (freee Master of the Year); 25歳で税理士試験合格 (20代税理士は全国のわずか0.6%); 大学院進学後、税理士資格取得; 28歳で独立開業

Official website: https://cfone.co.jp/