ABNR Counsellors at Law advises on the full scope of antitrust and competition work. The firm has a solid track record in assisting multinational companies, with particular strength in handling merger control mandates. Chandrawati Dewi is a key practitioner in the group for representing clients in cases involving cartels, merger control issues, and dominant positions, and is also handling increasing number of foreign-to-foreign deals, also an area of expertise for foreign counsel Gustaaf Reerink, who is equally adept at advising on pricing cases. Agus Ahadi Deradjat is well versed in representing TMT sector entities. Bilal Anwari was promoted to partner in January 2023.

Assegaf Hamzah & Partners' team is very well known for its solid track record in advising on merger filings and notifications to the Indonesian Competition Commission (KPPU). The practice leverages the firm's expertise in corporate law and dispute resolution to assist with competition litigation and compliance issues. HMBC stands out for his expertise in handling high-profile merger clearances; he co-heads the practice with Farid Nasution, whose workload takes in contentious competition matters and compliance mandates. Vovo Iswanto, Asep Ridwan and newly promoted partner Albert Boy Situmorang are key names to note.

Hiswara Bunjamin & Tandjung in association with Herbert Smith Freehills is primarily active in handling the competition law aspects of prominent M&A mandates, advising multinational clients on the Indonesian competition law-related aspects of global deals. Sakurayuki heads up the team, and has an excellent track record in advising on M&A deals, competition matters within the telecoms sector, and the competition law aspects of Japanese investments into Indonesia. She is also noted for advising on direct investments concerning the infrastructure sector. Of counsel Randitya Adiguna handles competition matters for hospitality and TMT companies.

Hadiputranto, Hadinoto & Partners, a member firm of Baker McKenzie has expertise in contentious and non-contentious competition law mandates, and assists domestic and multinational companies with merger filings and compliance issues. Mita Djajadiredja co-heads the practice with Mochamad Fachri, who has a strong track record in handling KPPU merger control matters. Dyah Paramita specialises in antitrust matters, and acts for clients in investigations. Wimbanu Widyatmoko retired in September 2022.

SSEK Law Firm's practice is strong in handling a broad range of antitrust work, notably advising on antitrust investigations, however the group is also adept as assisting with the competition law elements of distribution agreements, restructurings, and merger filings. Ira Eddymurthy heads the team, in which Michael Carl and Stephen Warokka are singled out for their contributions.

Walalangi & Partners in association with Nishimura & Asahi' competition law practice is led by Luky Walalangi, who stands out for advising multinational clients on the competition law aspects of transactional mandates within the Indonesian market. Miriam Andreta has noted expertise in antitrust work, and advises on alleged abuse of dominance cases and merger control matters.

Makarim & Taira S.’s workload includes anti-competitive agreements, cartel investigations, abuse of dominant position allegations, and high-profile merger control matters.

Soemadipradja & Taher's team is active in a range of competition law work, including investigations and merger notification matters. Founding partner Rahmat Soemadipradja is active in the corporate and commercial space; Verry Iskander handles antitrust matters and has substantial experience in appearing before the KPPU in relation to cartel investigations and cross-border merger filings.

TNB & Partners in association with Norton Rose Fulbright draws upon its close ties with Norton Rose Fulbright to assist clients with the competition law aspects of high-profile M&A and joint ventures in the Indonesian market, and has solid experience in advising major Indonesian companies on the competition aspects concerning overseas investments. Firm managing partner Kresna Panggabean heads up the practice, and is supported by senior associate Jeremiah Purba, who stands out for his strength in representing technology companies.