ACCOUNTING × M&A × TECHNOLOGY

Your Dedicated Bespoke Expert

We deliver consulting services precisely tailored to your needs.

Bespoke Partner, Co. delivers accounting consulting at its core, driving sustainable growth through data-driven management support.
With fully tailor-made support, we guide you to solutions made just for you.

Book a Free Consultation Explore Advisory Domain
Slide 1
Above and beyond expectation
Is this truly my best effort?
I engage in serious self-competition, questioning myself repeatedly.
Slide 2
We have an obligation to give
something beneficial back to society
We have an obligation to give back something beneficial to society
Slide 3
Make a difference
Let's bring meaningful change to the world
Slide 4
Anything is possible
Without fixating on the "right" path —
give everything to make your chosen path the right one.
Slide 5
Quality means doing it right
when no one is watching
Your attitude shows in the details.
『God is in the details』
Pursue excellence relentlessly.
Slide 6
Be honest in actions and results
Be honest in your actions and results
SERVICES

Advisory Domain

We bring deep expertise in accounting, tax, and finance to serve as a strategic partner to your existing CFO.
Beyond structuring ideas, we handle analysis, design, and tangible outputs, translating the CFO Agenda into actionable deliverables.
Our mission is not merely to advise, but to produce outputs that drive execution.

📈
Capital Strategy & Growth

Support for growth milestones
M&A, succession, IPO preparation, capital strategy

We translate critical decisions into concrete actions
across finance, tax, and governance.

📊
Management Excellence

Management accounting design, KPI frameworks,
and board reporting.
We build the management infrastructure that supports decision-making.

⚡
Operational Foundation

Accounting DX, internal controls, and process design.
We restructure your organization and workflows for sustainable operations.

🏦
Financial Strategy & Funding

Fundraising, banking relationships, and financial restructuring.
We design a financial foundation that balances growth and stability.

🔍
Tax Risk Management

Identifying tax issues in major transactions and corporate reorganizations.
We manage risk in coordination with specialists as needed.

ABOUT US

Transforming businesses
through the power of numbers.

"As accounting professionals, our mission is to provide uniquely tailored, one-of-a-kind professional services that perfectly fit our clients' needs and requests."

Embodying this vision, we named our firm "Bespoke" — meaning made-to-order — and commit ourselves fully to solving our clients' challenges through careful dialogue (Be-spoken).

  • ✓ Our greatest strength lies in our principal's hands-on involvement — personally contributing ideas and expertise across accounting, management, risk, IT, and global advisory
  • ✓ Serving startups through listed enterprises across a wide range of industries and scales
  • ✓ Nationwide coverage via cloud tools and fully remote consulting
  • ✓ Ongoing partnership through monthly reporting and continuous support
🎯
Our Mission

"Your Dedicated Bespoke Expert"

"Bespoke" means made-to-order. Rather than packaged services, our mission is to deliver solutions that perfectly fit each client's needs — drawn out through thoughtful "dialogue (Be spoken)".

We believe a truly "perfect fit" can only be achieved when we consider your industry, business environment, and company culture.

  1. Starting from dialogue (Be spoken)
    We focus on listening to your needs and understanding your situation
  2. Relentless pursuit of the real issue
    We uncover the essential challenges and articulate them clearly
  3. A solution designed to fit you
    We identify and execute improvements tailored to your circumstances
💡
Values

01｜Honest Dialogue
We engage with full sincerity — going beyond the surface until we grasp the essence.

02｜Thorough Optimization
We design solutions that account for your industry, company culture, and the values of leadership.

03｜Ownership of Execution
We don't stop at advice. We stay by your side until results are delivered.

WHY US

Why Bespoke Partner

We are not a standard accounting firm, nor a generic consultancy.
We are your CFO Partner — deeply embedded in your business, tackling the CFO agenda alongside you.

01
Your Strategic
Right Hand

We go beyond finance and tax — diving into investment decisions, cash flow strategy, and organizational planning.

02
Principal-Led
Engagement

From initial listening to final execution, our principal handles everything directly. Accountability is always clear.

03
Truly Bespoke

No packaged services.
Every solution is designed exclusively for your company.

04
Decisions at Speed

With no organizational hierarchy, we move fast when it matters most.

05
Beyond Advice —
Real Execution

We don't just tell you what to do. We stay by your side until it's done.

06
Global Business
Expertise

From cross-border transactions and M&A to foreign investment structures — we support your business in international environments.

COLUMN

Insights

Expert perspectives on accounting, finance, and tax — delivered in plain language.

TAM/SAM/SOM
2026.02.26
The "Story" of Market Size: How TAM/SAM/SOM Defines Business Viability

In new business development and fundraising, passion alone rarely moves investors. Learn how to transform qualitative narratives into quantifiable, investment-grade analysis.
Fundamental Principles of Writing
2026.02.25
The Fundamental Principles of Writing That Produce Polished Output

Lessons learned when confidence built at an audit firm was shaken upon joining a major consulting firm — a practical guide to writing that truly communicates.
Vacant Home Exception
2026.01.15
A Quick Guide to Japan's "Vacant Home Special Exemption"

Understanding the ¥30M capital gains deduction for inherited vacant homes — key requirements and recent amendments explained clearly.
Loss Carryforward
2026.01.06
Loss Carryforward Tax Rules: The Full Picture and Practical Essentials

A systematic overview of loss carryforward and carryback provisions under Japan's corporate tax code, with practical insights often overlooked in practice.
Property Valuation
2026.01.01
A Turning Point for Property Valuation Rule Article 6: NTA Guidance and Taxpayer Predictability

Analysis of the NTA's latest guidance on the controversial property valuation rule, following the high-profile tower condo tax dispute.
Working Capital
2025.12.13
Working Capital Adjustments in Business Valuation: Beyond NOPLAT

Exploring what DCF-based valuations miss when working capital dynamics are overlooked — a practitioner's perspective on accurate enterprise valuation.
View All
PROCESS

Our Partnership Process

Starting with a management dialogue, we swiftly build a partnership structure tailored to your needs.

01
Initial Dialogue

We listen carefully to your
business challenges and vision.

02
Clarifying the Core

We examine your situation to
identify the key priorities.

03
Engagement Design

We design the optimal involvement
and move quickly into execution.

04
Ongoing Partnership

Through regular dialogue and analysis,
we support your decision-making.

We do not offer packaged pricing.
Our fees are individually designed based on the scope of support, depth of involvement, and your business phase.

In our first dialogue, we will propose the optimal form of engagement for you.

COMPANY

Company Profile

Company Name ビスポークパートナー株式会社
Bespoke Partner, Co.
Representative President　Hiroki Ouchi
Founded May 1, 2020
Business Activities
  1. Consulting across all areas of financial and management accounting
  2. M&A advisory and investment management support
  3. Project management support
  4. Management system development including IPO preparation
  5. Internal control system development support
  6. Training and human resource development
  7. All ancillary and related businesses to the above
Headquarters Risona Kudan Building 5F, KS Floor
1-5-6 Kudanminami, Chiyoda-ku, Tokyo 102-0074, Japan
Representative Profile
Hiroki Ouchi
President
Hiroki Ouchi
大内 宏貴

Passed the CPA examination in 2002 and moved to Tokyo to begin his career.

Spent 17 years in audit and advisory roles at KPMG Azsa LLC and PwC Consulting LLC.

Became independent in July 2019.

Founded Bespoke Partner, Co. in May 2020 and assumed the role of President.

Qualifications & Degrees
  • ▸Certified Public Accountant (CPA, Japan)
  • ▸US Certified Public Accountant (US CPA, New Hampshire)
  • ▸Registered Tax Accountant (Japan)
  • ▸MBA (University of Massachusetts)
CONTACT

Schedule an Initial Dialogue

When considering management decisions or financial strategy,
we invite you to reach out.
Together, we will explore realistic options grounded in your specific situation.

Schedule an Initial Dialogue

※ For urgent inquiries, please feel free to call us.

TEL
+81-80-7218-7634
EMAIL
houchi@bespokep.com
HOURS
Mon–Fri 10:00–18:00 JST
LOCATION
Chiyoda-ku, Tokyo