Atsumi & Sakai




Atsumi & Sakai is a leading full-service law firm offering a range of counsel services pertaining to most financial and corporate law matters. The firm has an excellent reputation for assisting startups and financial institutions on fintech-related matters. It offers additional strength in the energy, infrastructure and real estate sectors. The firm is also known for its expertise in securitization, covered bonds and similar structured finance transactions. Go Fujimoto and Yusuke Miura are key contacts. 

Client feedback 

Excellent advice on complex questions and a very sound and reliable team who were available at all hours and enjoyed tremendous trust and comfort with the client.” – Competition/antitrust 

They possess a high level of specialised knowledge and experience and provide accurate feedback to the client.” – Competition/antitrust 

The lawyers at A&S (Atsumi & Sakai) are very sophisticated in the legal assistance they provide. They act as an integrated team that operates very efficiently and effectively.” – Competition/antitrust 

The firm possesses good communication skills with clients. – Competition/antitrust 

The law firm has great knowledge and is very helpful and responsive.” – Corporate and M&A 

The law firm is highly responsive and demonstrates flexibility in meeting clients' needs, including outsourcing work when necessary. They provide clear and practical advice, showcasing a strong understanding of business matters.” – Labour and employment 

Saori Hanada 

Saori is very much committed to providing the legal assistance that the client needs. She has deep knowledge of all aspects of Japanese competition law and provides top-rated advice. She understands the business well and will always try to find a creative solution whatever the challenge the client faces.” 

Excellent knowledge of the law, immense confidence placed in her by the client and always available and responsive. 

Etsuko Kameoka 

Etsuko excels in client communication and possesses extensive knowledge on EU competition law.” 

Emi Uchida 

Emi is highly responsive and provides practical advice based on her extensive experience. She is a skilled negotiator, adept at successfully closing and resolving difficult labour disputes in a favourable manner.” 

Takafumi Uematsu 

This lawyer possesses great knowledge and is highly helpful and responsive.” 

Tatsuo Yamashima 

This lawyer possesses specialised knowledge and experience. 

Dispute resolution

Work highlights 

Represented global institutional investors as plaintiffs in a lawsuit claiming compensation for damages due to mis-statements in the annual reports by Toshiba Corporation. 


Work highlights 

Advised Mitsubishi Research Institute and Nagoya City on a PFI project to design, build and operate meetings, incentives, conferences, exhibitions (MICE) in Nagoya. The objective of this project is to construct an athlete village for utilisation during the 2026 Asian Games, as well as to establish a new town for future use. The project has garnered considerable attention due to its expansive nature, encompassing the development of a residential area, university campus, kindergarten, sports facilities, shopping mall, and hospital. 

Key clients 

Mitsubishi HC Capital, Photovolt Development Partners.