
ABNR Counsellors at Law‘s practice handles contentious matters ranging from pre-litigation advice through to court proceedings. The team frequently represents clients in arbitrations before both the Indonesian National Arbitration Centre (BANI) and international forums such as the SIAC, KLIAC, and HKIAC. Sahat Siahaan leads the practice, bringing significant expertise in shipping law and infrastructure-related matters. Fellow co-chair Ulyarta Naibaho practice includes mining, shipping, and anti-corruption cases. The team also includes Nafis Adwani, who has expertise in employment, restructuring, and commercial dispute resolution, and Indra Setiawan, who focuses on employment disputes and anti-corruption matters.
Legal 500 Editorial commentary
Key clients
- PT Surgika Alkesindo
- PT Petronas Niaga Indonesia
- PT Chang Shin Indonesia
Work highlights
Acted PT Petronas Niaga Indonesia in relation to the filing of a tortious claim by the Plaintiff against PT PLI Indonesia, the Client, and PTGowa Motor.
Acted for PT Chang Shin Indonesia as the Defendant in a lawsuit filed by Rusli Wahyudi regarding the operation of the West Gate of the Client’s factory.
Advised PT Surgika Alkesindo in the first instance court proceedings concerning a tort lawsuit in relation to unlawful acts in relation to the distribution cooperation between the parties.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head
Sahat Siahaan; Ulyarta Naibaho
Other key lawyers
Nafis Adwani; Indra Setiawan
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Project Finance
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Emir Nurmansyah & Serafina Muryanti
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Artificial Intelligence
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Ayik Candrawulan Gunadi, Mahiswara Timur & Marshel Miyata
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TMT
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Agus Ahadi Deradjat, Mahiswara Timur, Dhan Kaur & Natasya Amalia
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Renewable Energy
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Emir Nurmansyah, Serafina Muryanti & Adya Sepasthika
