Assegaf Hamzah & Partners is highly active across a broad spectrum of tax matters, both contentious and non-contentious, including customs regulations, handling data requests from tax authorities, providing pre-investigation audit support, and advising on M&A and private equity transactions. Practice head Nazly Parlindungan Siregar is praised as an ‘excellent tax professional’ and is the chief lead across all client instructions.

Excelling in tax disputes, Hadiputranto, Hadinoto & Partners is lauded for its team of ‘technically adept and exemplary performers’ providing comprehensive advice and representation to a broad domestic and multinational client base. Ponti Partogi leads the group and has an impressive track record in complex, high-value, precedent-setting matters in the Indonesian courts. Tax litigation expert Daru Hananto is also recognised for his transactional tax structuring and compliance work, and Niken Kristalia is another key contact in the group.

Azwar Hadisupani Rum & Partners is active on a mix of contentious and non-contentious tax issues for clients across a broad spectrum of sectors. The firm has recently been active on judicial reviews and appeals, resolving discrepancies in tax calculations, and helping clients with compliance issues. Zaka Hadisupani Oemang helms the group and is noted for the breadth of his contentious practice. Muhammad Sakti Hasudungan Tambunan is another name for contentious work.