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Nagashima Ohno & Tsunematsu

Corporate/M&A: Domestic

Asia-Pacific Guide 2026 : Japan

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Nagashima Ohno & Tsunematsu

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About

Provided by Nagashima Ohno & Tsunematsu

As one of Japan’s leading law firms, Nagashima Ohno & Tsunematsu provides its clients with strategic and business-orientated legal advice on general corporate matters and M&A transactions. With tailor-made and business-orientated practical solutions, we help our international clients to maneuver through the Japanese legal environment including comprehensive market-entry support. As a full-service law firm with over 600 highly-qualified lawyers, we are able to support our clients through the entire M&A process and in all sorts of transactions, from simple share deals to complicated carve-out in highly regulated business sectors.

Our offices in New York, Singapore, Bangkok, Ho Chi Minh City, Hanoi, Jakarta*, Shanghai, and now London can provide our clients with advice not only in Japan but throughout the United States, all major Asian jurisdictions and Europe. Our London office opened in 2025 addresses the rapidly increasing interest of Japanese investors in Europe and provides a first local contact for international clients and their projects in Japan. We have established and maintain a vast network of partner firms in the world each of which ranks top tier in its respective jurisdiction. This network with excellent local partners allow us to support our clients with one-stop solutions in all relevant jurisdictions.

(*Associate office)

For more details, please visit our website:

https://www.nagashima.com/en/practices/corporate/

https://www.nagashima.com/en/practices/m_and_a/

Chambers Review

Provided by Chambers

Corporate/M&A: Domestic - Japan

Band 1

What the Team is Known For

Nagashima Ohno & Tsunematsu maintains a superb market reputation for undertaking sophisticated domestic and cross-border transactions pertaining to stock and company acquisitions, joint ventures, asset transfers and takeover bids. The team is instructed by foreign multinationals in the sale of equity stakes in domestic companies and is also adept in business consolidations. The firm is counsel of choice for some of the biggest household-name corporations in Japan, assisting clients from a wide range of sectors including finance, life sciences and manufacturing.

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Work Highlights

Provided by Chambers

  • Nagashima Ohno & Tsunematsu advised Fujitsu General in a going private transaction through a tender offer by Paloma Rheem.

Strengths

Provided by Chambers

  • They provide speedy and accurate advice on legal due diligence and contract negotiations, and practical risk analysis.

    Corporate/M&A: Domestic respondentAsia-Pacific

  • NO&T's greatest strength is that it has multiple lawyers with expertise in M&A, regulation, finance, tax law, among others that can work together as an appropriate team to respond to each case.

    Corporate/M&A: Domestic respondentAsia-Pacific

  • Among the law firms that can advise on Japan law, we believe that they have the highest ability to handle complex cases.

    Corporate/M&A: Domestic respondentAsia-Pacific

Notable Practitioners

Provided by Chambers

  • Hiroki Inoue
    Hiroki Inoue

    Hiroki Inoue

    Hiroki Inoue is a highly esteemed practitioner with considerable experience in the market. His wide-ranging expertise covers M&A, private equity, capital markets and venture capital transactions.
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  • Yuko Tamai
    Yuko Tamai

    Yuko Tamai

    Yuko Tamai enjoys a stellar reputation in this practice area and continues to advise high-profile Japanese clients on acquisitions and joint ventures.

    • She provides flexible, high-quality and client-oriented advice.

      Corporate/M&A: Domestic respondentAsia-Pacific

    • Yuko Tamai is a leading M&A lawyer in Japan and shows a very deep consideration of each issue in a given case.

      Corporate/M&A: Domestic respondentAsia-Pacific

    • She offers high-quality service based on a high level of expertise and a deep understanding of the business.

      Corporate/M&A: Domestic respondentAsia-Pacific
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  • Tomohiko Iwasaki
    Tomohiko Iwasaki

    Tomohiko Iwasaki

    Tomohiko Iwasaki is sought after for his advice on significant domestic and cross-border transactions.

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  • Soichiro Fujiwara
    Soichiro Fujiwara

    Soichiro Fujiwara

    Soichiro Fujiwara is a well-known corporate practitioner in the market. His established reputation in the M&A field includes advising on cross-border transactions.

    • He provides an accurate comment quickly.

      Corporate/M&A: Domestic respondentAsia-Pacific

    • Soichiro Fujiwara is a lawyer with a sense of balance.

      Corporate/M&A: Domestic respondentAsia-Pacific
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Ranked Individuals at Nagashima Ohno & Tsunematsu (4)

Japan

Members

Provided by Nagashima Ohno & Tsunematsu

Nagashima Ohno & Tsunematsu has rankings in the following guides

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