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Interpreters for Due Diligence on a Japanese Company

When you’re assessing a Japanese company for an acquisition, investment, joint venture or major supply deal, an English–Japanese interpreter lets your team interview management, tour facilities and ask follow-up questions directly, rather than relying on the other side’s English. Good due diligence interpreting is consecutive, accurate and discreet: the interpreter signs a confidentiality agreement, is briefed on the deal and terminology in advance, and works alongside your own legal and financial advisers, who handle the analysis and advice.

Where interpreters are used

StageWhat the interpreter does
Management interviewsInterprets questions and answers with executives and department heads, including nuance and hesitation.
Site and factory visitsInterprets on the shop floor, in warehouses and offices. See interpreters for site visits.
Expert and customer callsInterprets calls with customers, suppliers or industry experts arranged by your team.
Document review supportTranslation or summaries of Japanese documents so your advisers can review them. See translating Japanese documents.
Follow-up meetingsInterprets meetings to clarify findings and next steps.

Why your own interpreter matters

  • Independence. An interpreter provided by the target company works for them. Your own interpreter is there for your team.
  • Nuance. Japanese answers can be indirect. A good interpreter conveys hesitation and qualifiers, not just the words. See how to say no in Japanese.
  • Continuity. The same interpreter across interviews builds context and catches inconsistencies.

Confidentiality

Due diligence involves sensitive information. Ask your interpreter to sign a non-disclosure agreement, share documents securely, and limit the briefing to what they need. Interpreters should not trade on or discuss what they hear.

Brief your interpreter

  • The type of deal and what your team needs to find out.
  • An interview guide or question list, and the names and roles of attendees.
  • Industry and financial terms, with any glossary you use. Japanese companies often use a fiscal year ending in March.
  • Logistics: dates, locations, and whether sessions are in person or online.

See working with a Japanese interpreter and negotiating with Japanese companies.

In person or online

Site visits and first meetings with management work best in person. Follow-up interviews and expert calls can be done online. We interpret in person anywhere in Japan and abroad, with the client covering the interpreter’s travel costs, and online over Zoom, Teams or similar.

How Hanabuddies can help

We provide English–Japanese interpreters for management interviews, site visits and calls during due diligence, in person in Japan or abroad (you cover the interpreter’s travel costs) and online, and we translate or summarise Japanese documents for your advisers. We sign confidentiality agreements and interpret consecutively. We are not legal, financial or M&A advisers, we don’t negotiate on your behalf, and our translations are not certified.