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    Sohgo Security Services Co., Ltd. - Investment in PT. Shield-On Service, Tbk

Leading Japanese law firm Nishimura & Asahi advised Sohgo Security Services Co., Ltd. [TSE: 2331], a major Japan-based security services company, on its acquisition of a 51.23% stake in PT. Shield-On Service Tbk [IDX: SOSS], a provider of temporary staff and security services in Indonesia and on its subsequent mandatory tender offer, through its subsidiary, PT. ALSOK BASS Indonesia Security Services.

The Nishimura & Asahi team advising Sohgo Security was led by partners Masataka Sato, Noriaki Machida, Tomoro Yoshimoto, and Ikang Dharyanto, supported by Made Grazia V. Ustriyana and Itaru Matsumoto.


佐藤 正孝

Masataka Sato has extensive experience with a broad range of cross-border M&A transactions in the ASEAN region, including investments in and acquisitions of listed companies, self-owned or family-owned companies and start-up companies, the formation of joint venture businesses, as well as real estate development projects (including REIT). He also provides advice and solutions in relation to corporate governance, labor, and regulatory compliance matters at the PMI stage.

町田 憲昭


  • Partner
  • Tokyo

Noriaki’s practice covers various M&A transactions, cross border deals, and day-to-day commercial businesses, with a focus on Indonesia and other South East Asia countries-related matters. He has working experience in Indonesia approximately 7 years. As a leading partner of our Indonesia practice, Noriaki provides a tailored legal services in a timely and flexible manner.

吉本 智郎

Based in Singapore since April 2014, Tomoro's areas of expertise include general corporate matters and M&A, disputes, labor and crisis management cases in Singapore, Indonesia and other Southeast Asian countries. He strives to deepen his knowledge and understanding of the distinct language/culture/regulations/commercial practices, and believes that communication is the key in any project. He regularly speaks in compliance seminars for the branch offices and the subsidiaries of his clients.



  • Partner
  • Singapore

Ikang has advised a wide range of domestic and international clients across various industry sectors such construction, finance, IT, manufacturing, real estate, labor, dispute resolution, and criminal investigation. Ikang has assisted in various high-profile M&A transactions and has a good connection with Indonesian government authorities. He also advises on day-to-day corporate/commercial issues and licensing, including on investments at all stages, from inception to post-closing operations. As a partner of Indonesian practice in our Singapore Office and cross-border team, Ikang provides a tailored legal services in a timely and flexible manner.


Grazia is a member of Singapore Institute of Arbitrators (SIArb) and a certified Data Protection Officer (DPO) by Indonesian Association of Data Privacy Professionals (APPDI) . Aside from her active legal practice, Grazia is devoted to contribute back to her community in Bali, Indonesia, through a non-profit initiative which she co-founded to help more women gain access to higher education.