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One Asia Lawyers

One Asia Lawyers

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Japan

4

Corporate and M&A: Independent local firms

One Asia Lawyers is recognised for its complex cross-border M&A practice, often advising clients in the tech, healthcare, and fintech sectors on shareholder realignments, distressed M&A, and earn-out renegotiations. Hironori Matsumiya leads the team with expertise across the entire M&A transaction process, from initial structuring and due diligence to negotiation, signing, and post-closing integration. Tomoyoshi Ina is recognised for his skill in uncovering and mitigating hidden deal risks, structuring transactions to meet regulatory requirements, and navigating cross-border commercial and cultural differences. Hiroyuki Masuda focuses on clients in the education and life sciences sectors, where he advises on complex, multi-jurisdictional M&A transactions.
Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘One Asia Lawyers is an excellent support for Japanese companies in their overseas offices: they understand the Japanese business practices and legal system, and can provide accurate advice on overseas laws and regulations and those of multinational companies.’

  • ‘Hiroyuki Masuda is always quick and precise in his advice on mergers and acquisitions. In particular, he explains in detail the risks and points to bear in mind when a Japanese company acquires a foreign company. He is also tenacious in negotiating agreements with the acquisition target, which is very reassuring.’

  • ‘Tomoyoshi Ina always provides advice based on his specialised knowledge. He quickly responds to sudden requests and provides helpful advice, which is extremely helpful. ’

  • ‘Mr Kurita Tetsou is a very hardworking lawyer. He brings professionalism, responsibility towards the client, prompt and effective communication skills and great technical expertise. ’

  • ‘One Asia Lawyers firm provides fine legal services on corporate matters with a good mixture of local lawyers and Japanese lawyers. They consult on matters in Singapore, Malaysia, Thailand, Vietnam, Indonesia, India and other locations as needed. Their responses and actions are generally fast and flexible.‘

  • 'Each individual, as for lawyers and firm staff, is very good, responding nicely, swiftly, with valuable advice. ’

Key clients

  • ELAN Corporation
  • Hibino Corporation
  • Okamura Corporation
  • Matching Service Japan Co., Ltd.
  • Asnova Co., Ltd.
  • SKYLARK HOLDINGS CO., LTD.
  • Hibino Corporation
  • AtoG Capital Inc
  • Iwata & Co., Ltd
  • Adventure, Inc.
  • ASARI GAKUEN GROUP
  • Kouhoku Gakuen

Work highlights

Advised Rakuten Capital in connection with the merger and corporate restructuring of two Indonesian logistics subsidiaries: PT Yusen Logistics Puninar Indonesia and PT Yusen Logistics Solutions Indonesia.
Advised Hibino Corporation, a leading Japanese audiovisual and event technology company, on its acquisition of 80% of the shares in Insight Systems Holdings Pty Ltd, a top-tier Australian provider of workplace technology solutions.
Practice head

Hironori Matsumiya

Other key lawyers

Tomoyoshi Ina; Hiroyuki Masuda; Kurita Tetsou