Jonathan Toni Tjenggoro is a recognised Competition lawyer in Indonesia and a partner at Alizia & Partners Law Office, where he leads the firm’s competition, M&A, and transactional practice streams. He is noted for advising on complex antitrust, merger-control, and M&A matters across healthcare, real estate, manufacturing, and consumer sectors, among others, and was named a recommended practitioner for Southeast Asia – Competition in the Lexology Index.
Jonathan graduated from Universitas Indonesia and National University of Singapore, and he has practised corporate and competition law for more than 15 years. From early stage of his career, he was part of the competition team at leading Indonesian firms that advised clients on KPPU matters and merger-control issues.
Before co-founding Alizia & Partners, Jonathan was as a senior associate at respected Indonesian firms, including Hiswara Bunjamin & Tandjung (in association with HSF Kramer) and a significant tenure at Makarim & Taira S., where he helped build and co-led competition practice group. His progression from senior associate to partner reflects sustained client work on multi-jurisdictional deals and regulatory matters.
As a Competition lawyer in Indonesia, Jonathan handles the full lifecycle of antitrust work: merger notifications and risk assessments, clearance strategy, KPPU investigations and defence, cartel and abuse-of-dominance matters, and compliance programme design. He is experienced in pre-transaction risk-scoping, post-transaction notification strategy, and interfacing with the Komisi Pengawas Persaingan Usaha (KPPU) on substantive and procedural reviews.
His client work spans healthcare, real estate, manufacturing, FMCG, F&B, retail — sectors where market-definition, vertical relationships, and consolidation frequently raise competition issues in Indonesia. Jonathan’s practice emphasises commercial, pragmatic outcomes that align regulatory strategy with deal economics and operational realities.
Jonathan has contributed to international competition thought leadership, including authorship for the Dominance chapter in the Lexology Panoramic series and firm advisories on merger-reportability and assessment for domestic & foreign transactions. His articles and client alerts address practical implications of evolving KPPU rules and best-practice compliance for M&A.
In recognition of his competition practice, Jonathan was included in Lexology’s regional rankings for competition specialists — a distinction grounded in independent peer and client feedback. He and the firm have presented at regional forums and legal conferences, including LAWASIA events, where cross-border enforcement and digital economy competition risks are frequent topics.
Jonathan combines hands-on transactional experience with regulatory defence work, which allows him to advise clients on structuring deals to minimise KPPU exposure while preserving commercial value. His approach is data-driven and pragmatic: early market-definition analysis, clear assessment of jurisdictional thresholds, and coordinated stakeholder management during KPPU reviews. The combination of M&A transaction experience and specialist competition advisory work is particularly valuable for financial buyers, strategic acquirers, and domestic groups expanding by share or asset acquisition.
Indonesia’s competition regime is enforced by the Komisi Pengawas Persaingan Usaha (KPPU) and is principally governed by Law No. 5 of 1999 on the Prohibition of Monopolistic Practices and Unfair Business Competition, supported by various implementing regulations and KPPU rules. Recent regulatory updates — including KPPU Regulation No. 3 of 2023 (which clarified threshold calculations, local effect test, and introduced modernised electronic notification) and ongoing guidance on market-definition and digital platforms — make specialist advice essential for cross-border transactions and platform-driven markets.
Key practical challenges for businesses include Indonesia’s mandatory post‑merger notification regime in certain cases, evolving thresholds and local effect test, and the KPPU’s increased focus on digital markets and concentration risks. These developments mean parties must plan M&A risk and compliance work earlier in the transaction timetable and be prepared for data-driven market assessments.
Jonathan regularly advises acquirers and sellers on merger-reportability and notification strategy, conducts competition assessment, drafts and implements antitrust compliance programmes, and assists clients in KPPU process. His practice is suited to corporations, private equity investors, and high-growth technology or platform companies that face, among others, concentrated-market issues or complex vertical relationships in Indonesia.
Engaging a specialist Competition lawyer in Indonesia ensures accurate threshold analysis, effective pre-notification strategy, and a disciplined response to KPPU inquiries — all of which materially affect deal timing, value preservation, and post-deal integration. In fast-moving sectors and cross-border transactions, expert antitrust counsel reduces regulatory surprise and supports negotiation of conditional or remedial measures when necessary.
Jonathan Toni Tjenggoro offers a blend of regulatory insight, transactional discipline, and sector experience that positions him as a practical choice for companies seeking competition-law guidance in Indonesia. His international recognition, published analyses, and hands-on KPPU work make him a leading Competition lawyer in Indonesia for businesses facing merger-control or compliance challenges.
Jonathan Toni Tjenggoro is a recognised partner at Alizia & Partners Law Office and an experienced Real Estate lawyer in Indonesia, with more than 15 years of experience advising on corporate, M&A, and various property and real estate transactions. He advises numbers of international and domestics clients, and foreign embassies in complex real estate transactions (both buy-side and sell-side) and regulatory assessment. Jonathan combines frontline regulatory experience with transactional discipline to guide clients through Indonesia’s evolving legal framework.
Jonathan read law at Universitas Indonesia and National University of Singapore, and subsequently built his practice in Jakarta across major corporate law firms. He spent a substantive portion of his career at Makarim & Taira S., contributing as a senior associate in the firm’s corporate and M&A practice, and later joined Hiswara Bunjamin & Tandjung (in association with HSF Kramer) before accepting partnership at Alizia & Partners. His profile is frequently cited in firm and legal-directory submissions, and he is listed as one of key peoples at Alizia & Partners. He also spent some time at PT Ciputra Development, Tbk., a leading Indonesian real estate group, as a corporate legal manager.
Jonathan’s practice focuses on, among others, property and real estate sector. He has advised various international and domestic clients and foreign embassies in complex property transactions. His work include land acquisition, property sales, transaction structuring and regulatory assessment and advisory on complex real estate matters, including for strata title and mixed-used projects, as well as lease arrangement in Indonesia. He is known for a structured, solution-focused approach that balances legal risk with commercial objectives, enabling clients to structure transactions and operational models that minimise legal risk while supporting business aims. Clients benefit from his dual transactional and regulatory background, which helps anticipate enforcement touchpoints during deals and post‑transaction integration.
Jonathan has co-authored several advisory pieces and practice notes on Indonesian legal framework, among others on M&A, Foreign Direct Investment, Joint Ventures, and Competition. He has been an invited speaker at workshops and trainings on corporate and competition law. He has also led teams handling real estate projects for domestic and international clients, ranging from property development company, manufacturing, as well as foreign embassies.
Jonathan has extensive experience advising on a broad range of real estate and property-related transactions across Indonesia. His work spans land acquisition, property development, commercial leasing, industrial and logistics facilities, hospitality projects, mixed-use developments, strata title projects, and real estate aspects of corporate transactions. He regularly assists domestic and international investors, multinational corporations, property developers, manufacturers, and foreign embassies in navigating Indonesia’s land ownership framework, regulatory requirements, licensing matters, and transaction structuring. His experience enables him to identify legal and regulatory issues at an early stage and provide practical solutions that support successful project execution and investment objectives.
Indonesia’s real estate sector operates within a complex legal and regulatory framework involving land rights, spatial planning, licensing requirements, foreign investment regulations, and sector-specific restrictions. Real estate transactions often require careful legal due diligence, regulatory assessment, and transaction structuring to ensure compliance and mitigate risk. Engaging an experienced Real Estate lawyer in Indonesia is essential for investors, developers, landlords, tenants, and property owners seeking to navigate regulatory requirements, protect their interests, and achieve commercial certainty in property-related transactions.
Jonathan adopts a commercially focused and solutions-oriented approach to every engagement. He works closely with clients to identify key legal and regulatory considerations at the outset of a transaction, assess potential risks, and develop practical strategies that align with business objectives. His experience in both private practice and the real estate industry allows him to combine technical legal advice with a strong understanding of commercial realities. Whether advising on land acquisitions, development projects, leasing arrangements, or regulatory compliance, he seeks to deliver clear, actionable advice that facilitates efficient decision-making and transaction execution.
Property developers, multinational corporations, institutional investors, manufacturers, hospitality operators, foreign embassies, landlords, tenants, and individuals involved in property transactions in Indonesia may benefit from Jonathan’s experience. He is well positioned to advise clients on land acquisitions, property disposals, development projects, lease arrangements, regulatory compliance, and real estate aspects of corporate transactions. Clients seeking practical legal guidance, commercial awareness, and deep familiarity with Indonesia’s real estate regulatory environment will find value in his strategic and hands-on approach.
As a partner at Alizia & Partners, Jonathan Toni Tjenggoro combines more than 15 years of legal experience with substantial expertise in Indonesia’s real estate sector. His background across leading law firms and in-house experience with a major property developer provides him with a well-rounded perspective on both legal and commercial issues affecting real estate transactions. Having advised domestic and international clients, including foreign embassies, on complex property matters, Jonathan is well placed to assist clients in navigating Indonesia’s evolving real estate landscape. His practical, business-oriented approach makes him a trusted adviser for those seeking effective legal support on property and real estate matters in Indonesia.
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