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日本不動産の購入・投資・税務・登記・融資・海外送金を3言語で解説

Buying a Japanese Property-Holding Company: Due Diligence Beyond the Real Estate

更新日: 2026-09-12 / 最終確認日: 2026-09-12

Buying a company is fundamentally different from buying its building

Hotels, commercial buildings and other investment properties are sometimes transferred through the sale of shares in the company that owns the real estate rather than through a direct asset sale. In a share acquisition, the buyer generally takes control of the company together with its assets, contracts, borrowings, liabilities and historical tax position.

Property due diligence alone is insufficient

Japan’s Small and Medium Enterprise Agency publishes business succession, SME M&A and post-merger integration guidelines covering third-party succession and integration practices. For a property-holding company, conventional real-estate due diligence should therefore be supplemented by legal, financial, tax and business investigations.

Areas requiring review

  • Property title, security interests, leases and repair condition
  • Bank debt and financing covenants
  • Unpaid taxes, historical filings and potential tax exposure
  • Employee, supplier, customer and licensing arrangements
  • Shareholder structure and historical corporate records
  • Off-balance-sheet liabilities, litigation and guarantees

A building worth JPY1 billion does not make the shares of its owner worth JPY1 billion. Significant bank debt and other liabilities reduce equity value, while cash and additional assets may increase it. Property value and enterprise or equity value therefore need to be reconciled rather than treated as interchangeable figures.

Plan beyond closing

The transaction does not end when the share purchase agreement is executed. Banking relationships, directors, property management, accounting, employees and key commercial relationships may require post-acquisition integration. Contracts may also contain change-of-control provisions triggered by a change in ownership.

Buyers of Japanese property-holding companies should therefore analyze the property, balance sheet and contractual network together. Legal, tax and accounting specialists can then use the findings to structure valuation adjustments, representations, warranties and closing conditions appropriate to the actual risks being acquired.

Official sources & verification
2026-09-12

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