Sugianto Osman

Sugianto Osman

Partner, Ginting & Reksodiputro in association with A&O Shearman

Sugi is an experienced practitioner in M&A, corporate, capital markets and securities transactions with a strong track record in a wide range of sectors including private equity, TMT, digital, FIG, natural resources, and infrastructure.
His successful track record includes advising on numerous cross-border and domestic transactions involving strategic and financial investors, as well as both public and private entities. Sugi previously held the position of Head of Legal at a telecommunications company in Indonesia, where he gained valuable insights into the regulatory and operational challenges within the industry.

Speaking Engagements

Guest Lecturer for legal skills class at Faculty of Law of Universitas Pelita Harapan during the academic year of 2023/2024

Leadership Positions And Professional Affiliations

  • Member of the Indonesian Advocate Association (PERADI)
  • Member, Association of Capital Market Legal Consultants/ Himpunan Konsultan Hukum Pasar Modal (HKHPM)
  • Registered legal consultant with The Capital Market and Financial Institution Supervisory Board (BAPEPAM-LK)
  • Sworn Translator for English to Indonesian, and Indonesian to English
He is a great Indonesian M&A lawyer with a strong commercial understanding.
Chambers Asia Pacific 2024 (Corporate/M&A – Indonesia)
Band 1.
Chambers Asia Pacific 2024 (Corporate/M&A – Indonesia)


  • Band 1 Chambers Asia Pacific 2024 (Corporate/M&A – Indonesia)
  • Recognised in the “Leading Individuals” category – Legal 500 Asia Pacific 2023 (Corporate/M&A – Indonesia)
  • Recognised in the “Leading Individuals” category – Legal 500 Asia Pacific 2023 (TMT – Indonesia)



Admitted as Advocate, Indonesia, 2007


LL.M, Leiden University, The Netherlands, 2002
LL.B (Sarjana Hukum), Faculty of Law, University of Indonesia, 1997


English, Bahasa Indonesian
A&O Shearman was formed on May 1, 2024 by the combination of Shearman & Sterling LLP and Allen & Overy LLP and their respective affiliates (the legacy firms). Any matters referred to above may include matters undertaken by one or more of the legacy firms rather than A&O Shearman.