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

1
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.

Work Highlights

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

Strengths

Provided by Chambers

Notable Practitioners

Provided by Chambers

S
Hiroki Inoue
S
Senior Statespeople
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.
Yuko Tamai
1
Yuko Tamai
1
Band 1
Yuko Tamai enjoys a stellar reputation in this practice area and continues to advise high-profile Japanese clients on acquisitions and joint ventures.

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

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

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

Tomohiko Iwasaki
3
Tomohiko Iwasaki
3
Band 3

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

Soichiro Fujiwara
4
Soichiro Fujiwara
4
Band 4
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.

Soichiro Fujiwara is a lawyer with a sense of balance.

He provides an accurate comment quickly.

Keigo Sawayama
Keigo Sawayama
Expertise Based Abroad

Keigo Sawayama is Nagashima Ohno & Tsunematsu's office head in Hanoi and frequently advises Japanese clients on international construction, real estate and corporate transactions.

He always responds thoroughly and promptly.

Keigo Sawayama has a very good understanding of commerce.

Motohisa Nakagawa
Expertise Based Abroad

Motohisa Nakagawa is head of the Ho Chi Minh City office of Nagashima Ohno & Tsunematsu. He advises on a range of real estate transactions, including office and residential buildings.

Based on a deep understanding of the law and commercial practices, he provided the best practical advice to the deal.

Motohisa Nakagawa is thorough in giving advice after carefully confirming the client's intentions.

Ryo Okubo
Ryo Okubo
Expertise Based Abroad

Ryo Okubo is co-head of Nagashima Ohno & Tsunematsu's New York office and frequently advises on cross-border transactions between Japan and the USA.

Ryo Okubo has an overall view of transactions and is easy to consult with about business matters.

Shohei Sasaki
Shohei Sasaki
Expertise Based Abroad

Shohei Sasaki heads Nagashima Ohno & Tsunematsu’s Bangkok office. He regularly advises Japanese multinational corporations on cross-border M&A transactions and joint venture formations in Thailand.

Yoshikazu Hasegawa
Yoshikazu Hasegawa
Expertise Based Abroad

Yoshikazu Hasegawa is a partner in Nagashima Ohno & Tsunematsu's Singapore office and is an experienced adviser on corporate transactions.

Ranked Lawyers at
Nagashima Ohno & Tsunematsu

Provided by Chambers
Filter by
Band

Japan

Corporate/M&A

Keigo Sawayama
Keigo Sawayama
Japan, expertise based abroad in Vietnam
Ryo Okubo
Ryo Okubo
Japan, expertise based abroad in USA
Shohei Sasaki
Shohei Sasaki
Japan, expertise based abroad in Thailand
Yoshikazu Hasegawa
Yoshikazu Hasegawa
Japan, expertise based abroad in Singapore
Corporate/M&A: Domestic

S
Hiroki Inoue
S
Senior Statespeople
Yuko Tamai
1
Yuko Tamai
1
Band 1
Tomohiko Iwasaki
3
Tomohiko Iwasaki
3
Band 3
Soichiro Fujiwara
4
Soichiro Fujiwara
4
Band 4
Real Estate

Motohisa Nakagawa
Japan, expertise based abroad in Vietnam