Japan investment & strategic finance advisory

Unlocking Japan’s potential for the world.

Japan is rich in companies, capabilities and opportunities that are not always fully understood outside the market. J-Nexia helps global investors and businesses understand the opportunity, communicate across borders and turn interest in Japan into informed financial decisions and lasting value.

Tokyo-basedEnglish & JapaneseFinance-ledFounder-led

Why J-Nexia

The opportunity is already here. What is often missing is a clear path to it.

Japan has strong companies, deep expertise and ideas with global relevance. Yet their value can be difficult to assess from outside—or difficult to turn into an investment decision.

J-Nexia makes those opportunities easier to understand and act on by combining financial judgment, Japanese context and bilingual coordination.

Making Japan’s potential visible, understandable and actionable for the world.
CPAsJapan and United States
¥10bn+Capital raised in Japan as operators
15+ yearsSilicon Valley and Nasdaq-listed company experience
Cross-border PMIJapan finance integration experience

J-Nexia at a glance

A Tokyo-based, bilingual finance and cross-border advisory firm.

Japan opportunities often become difficult at the point where global expectations meet local financial information, management communication and execution. J-Nexia works at that exact point.

Common Japan gapJ-Nexia outcome

Opportunity without financial clarity

Potential is visible, but the economics, capital needs and risks are not.

An investable case

Financial insight and structure that support an informed decision.

Global expectations meet local context

Investors and Japanese management may use different assumptions and language.

Aligned decision-makers

Bilingual communication that makes expectations clear on both sides.

A decision without local execution

After investment, value depends on finance, governance, PMI and follow-through.

Company-side delivery

Hands-on coordination that turns the investment case into measurable value.

A practitioner’s view from Tokyo

How investment in Japan becomes lasting value.

Capital reaches a company. What happens inside—allocation, finance, governance, communication and execution—determines whether it becomes growth and returns. That is where J-Nexia works.

01

Opportunity
in Japan

A company, market need, partnership or investment with unrealized potential.

02

Financial Insight
& Alignment

A sound investment case, the right structure and alignment across borders.

03

Company Execution
& Value Creation

Financial discipline, stronger operations and clear performance turn plans into value.

04

Returns to Investors
& Markets

Measurable returns build confidence in the company and in Japan.

Renewed capital, expertise, confidence and opportunity flow back to Japan
A continuous capital cycle
01

Opportunity in Japan

A company, market need, partnership or investment with unrealized potential.

02

Financial Insight & Alignment

A sound investment case, the right structure and alignment across borders.

03

Company Execution & Value Creation

Financial discipline, stronger operations and clear performance turn plans into value.

04

Returns to Investors & Markets

Returns build confidence and bring renewed capital, expertise and opportunity back to Japan.

What we do

Financial clarity and cross-border coordination for every serious move into Japan.

01

Japan Investment &
Transaction Support

We assess the financial case, capital needs, investment structure and expected returns. For transactions, we support management and coordinate legal, tax and accounting specialists.

02

Strategic Finance &
Portfolio Value Creation

We improve plans, forecasts, reporting, cash management, capital allocation and performance—turning financial decisions into measurable value.

03

Investor Communication &
Cross-border Coordination

We help Japanese management be understood by global stakeholders—shaping decision materials, preparing key meetings and coordinating bilingual workstreams, including PMI.

04

Cybersecurity &
Business Resilience

We assess cyber risk and build practical security strategy, governance and operating models. Support includes NIST CSF, ISO 27001, SOC 2 and GDPR readiness, as well as post-investment security improvement.

How we work

Bilingual advice that stays close to execution.

We bridge the gap between a global decision and what must happen locally in Japan. Senior team members remain involved from the first discussion through delivery.

01

Define the investment case

Clarify the capital, return, assumptions and risks.

02

Make Japan clear

Explain the local context in plain English.

03

Coordinate the work

Align decision-makers, management and specialist advisors.

04

Stay involved

Support the people responsible for delivery through and after the decision.

When to connect with J-Nexia

When Japan is part of the opportunity—but the path forward is not yet clear.

You do not need a finished Japan strategy before speaking with us. We can help frame the question, assess the options and identify a practical next step.

01

Before committing capital

You need a clear view of the economics, capital requirements, risks and available investment structures.

02

While evaluating a transaction

You are considering an investment, acquisition, joint venture or local partnership in Japan.

03

After completing a Japan deal

You need finance integration, bilingual PMI coordination or stronger alignment with local management.

04

When portfolio performance must improve

A Japan business needs stronger finance, governance, investor communication or cyber resilience.

Team

Japanese context. Global finance experience. Bilingual coordination.

Our complementary roles connect Japanese management teams with global investors and businesses—combining Japan operating experience with US public accounting, technology finance and cross-border integration.

Takuma Okubo

Founder & CEO

Japan Finance & Corporate Advisory

A Japan CPA and MBA with operating experience across corporate planning, investor relations, FP&A, fundraising, carve-outs and private-equity portfolio companies.

Full background

Takuma held corporate planning, IR and FP&A roles at a TSE Prime-listed company. As an operator in Japan, he raised more than ¥10 billion and led a carve-out to standalone operations. His experience also includes integration and FP&A support for private-equity portfolio companies.

Japan CPA · MBA · ¥10bn+ raised in Japan · TSE Prime and Global PE portfolio experience.

Takeshi Yuma

Co-Founder & Director

Bilingual Finance & Cross-border

A US CPA with more than 15 years of professional experience in Silicon Valley and Japan across public accounting, Nasdaq-listed technology companies, corporate finance and cross-border integration.

Full background

Takeshi spent 12 years at Deloitte & Touche LLP in Silicon Valley, advising and auditing Nasdaq-listed companies and IPO candidates. During a secondment to Deloitte Tohmatsu in Japan, he supported one of Japan’s largest trading houses on consolidated reporting, IFRS disclosure and cross-border accounting. He later held finance leadership roles at Nasdaq-listed cloud software and cybersecurity companies, overseeing an acquired Japanese subsidiary and leading its cross-border finance integration, before building finance and operations at a Japanese AI startup.

US CPA · 15+ years across Silicon Valley and Japan · Nasdaq-listed company and cross-border PMI experience.

David Vuong

Cyber Security Specialist

Secure by Design & Resilience

A cybersecurity specialist focused on assessing business risk and designing practical security strategy, governance and operating models that protect enterprise and investment value.

Full background

David supports organizations across the security lifecycle—from cyber risk assessment and strategic design to governance, implementation and continuous improvement. His work aligns security priorities with business needs and recognized frameworks, including NIST CSF, ISO 27001, SOC 2 and GDPR.

Cyber risk assessment · Security strategy and governance · NIST CSF, ISO 27001, SOC 2 and GDPR.

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Prefer email? contact@j-nexia.com