RIMTO

Bilingual finance support for cross-border growth in Japan.

RIMTO supports Japanese and international corporations facing complex business challenges, offering bilingual (English ↔ Japanese) accounting and financial solutions that stay practical and execution-focused.

Track Record & Key Facts

Key facts based on RIMTO’s published company profile.

Established
2021
Year
Founded after the team’s experience in global accounting and advisory environments.
Leadership
3
Senior Advisors
CPA-led team with cross-border transaction and reporting experience.
Languages
2+
Bilingual
English ↔ Japanese support; additional language capability where available.
Base
Tokyo
Tokyo-based delivery for Japan entry and overseas subsidiary support.

Your Lead Expert

Finance, accounting and tax support with a practical, one-stop model — helping overseas teams stay aligned and execute smoothly in Japan.

Masato Sakai

Masato Sakai

RIMTO · Managing Partner / CEO

Japan Certified Public Accountant and Certified Tax Accountant. Experience across audit and advisory (including cross-border M&A support), with strengths in financial due diligence, sell-side support, post-merger integration, and subsidiary management.

Japan Expansion · Finance, Accounting & Tax Support

Practical support for overseas companies expanding into Japan — covering transactions, reporting, and operational finance readiness with clear bilingual communication.

Who it is for

  • Overseas companies establishing a Japan entity or branch
  • Teams needing support for reporting, governance, and finance operations
  • Companies preparing for M&A, carve-outs, or post-deal integration
  • Executives coordinating between overseas HQ and Japan-side stakeholders

Why this matters in Japan

Reporting requirements, internal control expectations, and governance processes often become operational bottlenecks during Japan expansion. Getting the structure right early reduces hidden risks and prevents costly rework later.

What you get

  • Transaction support and due diligence (where applicable)
  • Reporting and accounting advisory
  • Post-merger integration and subsidiary management support
  • Bilingual coordination to keep execution aligned

Delivery style

Practical problem-solving with project-style execution — designed to work with overseas decision makers while keeping Japan-side operations aligned with HQ expectations.

Core Services

Three common service lines for Japan expansion and cross-border execution.

M&A Advisory

Support for buy-side and sell-side transactions, from diligence to execution coordination.

International Advisory

Cross-border management support, bilingual communication, and overseas subsidiary operations.

Accounting & Tax Advisory

Capital financing, IFRS implementation, internal controls, and management reporting support.

Team & Credentials

CPA-led team supporting transactions and Japan-side operations. Click “Submit Request” to jump to the form below.

Managing Partner / CEO · Japan CPA & Tax Accountant
Masato Sakai

Masato Sakai

RIMTO

Financial due diligence, sell-side support, post-merger integration, and cross-border engagement.
Managing Partner · CPA & Tax · Tax Structuring
Ken Yamauchi

Ken Yamauchi

RIMTO (Yamauchi Tax Accounting Office)

Domestic/cross-border tax advisory and practical support for overseas companies setting up in Japan.
CPA · M&A Advisory · MBA (NUS)
Shota Kawabata

Shota Kawabata

RIMTO

IFRS support, valuation and recovery projects, plus cross-border due diligence delivery (including English).

How GlobalReach Link Works With RIMTO

Submit your request and we will coordinate the best-fit specialists into a private room, helping your project kick off smoothly and stay aligned through delivery.

1
Submit your request Share your goal, timeline, and context. If you have materials, upload them.
2
Scope clarification We confirm priorities, risks, and expected outcomes before assembling the right team.
3
Private room kickoff We organise a structured discussion space and align the first actions.
4
Execution support Clear communication, trackable progress, and bilingual coordination when needed.

Submit to GlobalReach (Free Coordination) for a Worry-Free Kickoff and Assured Delivery

Submit your request and we will coordinate the best-fit specialists to help you kick off smoothly and move faster with clear execution.

Verified Expert

Verified Expert on GlobalReach Link

Masato Sakai

RIMTO · Bilingual Finance, Accounting & Tax Support for Japan Expansion

Submit your request and we will contact you within 24 hours

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If the form fails, email us at [email protected] or WhatsApp: +61 404 774 324

What happens after you submit

GlobalReach Link will confirm your request, clarify the scope, and coordinate the best-fit specialists. Your discussion stays private, organised, and easy to track — helping everyone align quickly and execute efficiently.