COMPANY PROFILE
OS LAW PARTNERSHIP
TRUSTWORTHY, FORWARD THINKING, SOLVABLE
OS LAW Partnership is one of Indonesian Leading Corporate Law Firm. OS LAW Partnership is a dynamic and fast growing law firm, consists of young smart and creative consultant.
OS LAW Partnership founded by Ojak Situmeang & Maria Endryana in 2025.
OS LAW Partnerships commitment is to understand and focus on what client’s needs. By providing the best legal services, OS LAW Partnership will help client in protecting its business from any legal challenges anywhere in Indonesia. The combination of wellexperienced and dedicated team members will ensure that your legal problems will be effectively solved.
Our Vision
“To be the prominent law firm recognized for uncompromising integrity, strategic brilliance, and setting the gold standard”
Our Mision
To offer unparalleled expertise in highly regulated sector, from resource extraction to corporate restructuring, cutting through dense legal frameworks with strategic foresight. To uphold the highest ethical standards in the legal profession, turning complex legal and commercial challenges into strategic advantages through tailored, innovative legal solutions
Our Expertise
- Debt Restructuring and Insolvency
We possess sophisticated knowledge of Indonesian bankruptcy laws and procedures, drawn from years of experience practicing in commercial courts, as well as supreme courts.
We act for clients throughout all bankruptcy and suspension of payment processes and our advice extends across all aspects of contentious insolvency work.
- Tax & Customs Services
We endeavor to work with our clients in identifying all issues critical to the taxlitigation and we focus our efforts on those key issues.
We have experiences in the litigation of all types of tax controversies, from individual tax liability and collection disputes to the largest, most complex corporate deficiency and refund litigation.
- Mergers & Acquisitions
Our Mergers & Acquisitions practice provides advice on transaction structure, preparation of purchase-and-sale and related agreements, management and succession, legal due diligence reporting, formation of new entities, preparation of the necessary internal corporate documents and approvals, and completion of regulatory filings.
Our Expertise
- Capital Markets
We provide the world's leading companies, institutional and strategic shareholders and investment banks with advice on transactions and policy, empowering them with confidence to manage capital and mitigate risk. Our lawyers advise on the full range of equity, equity-linked and debt capital markets transactions across jurisdictions globally.
- Banking & Finance
We help clients navigate some of the most pertinent issues faced in this increasingly dynamic and competitive industry. By developing a deep understanding of our clients’ businesses and their key strategic drivers we provide practical and relevant advice. Our experts work with the world’s leading finance providers, insurers, asset managers and many other financial market participants on capital and liquidity management.
- Fintech & Crypto
We provide tailored legal services to sector participants including incumbent banks, growing fintech businesses, challenger banks, insurance companies, crypto/Bitcoin, and technology services providers, and investors.
- Energy & Natural Resources
We have been specializing in energy and mining projects for more than five years and with our firm’s experience and qualified attorneys, we understand how to fulfill and achieve the client’s needs and goals. We can assist the client to structure, acquire, carry out legal due diligence, legal documentation, permitting, licensing and implement projects and manage their investment in cost efficient as possible
- General Corporate and Foreign Investment
Supporting businesses across diverse industries and at every stage of their corporate journey. Our services cover the full corporate lifecycle from company formation and structuring, to corporate governance, regulatory compliance, complex transactions, strategic investments, and liquidation of a company. With a deep understanding of commercial objectives and regulatory landscapes, we help clients navigate legal complexities while protecting stakeholder interests and unlocking long-term value
Our Team
Meet The Team
Dr (c) Ojak Situmeang, S.H., M.H., C.L.A., CLi CTLC, CMLC, CMed.
Managing Partner (Co-Founder)
Ojak Situmeang is Managing Partner of OS LAW Partnership, His practice focuses on complex commercial issues as well as tax, fintech, merger & acquistions, liquidator, legal auditor and capital market.
Profesional Qualification:
Certified Legal Auditor, Tax Legal Consultant, Mediator, Liquidator,
Capital Market Legal Consultants, & Receiver and Administrator
Related Practices:
Tax Law, Fintech Law, Legal Due Diligence, M&A, Capital Markets,
Commercial Litigation, & Bankruptcy and suspension of payment.
Maria Endryana Febriani S, S.H., CMed.
Partner (Founder)
Maria is Founding Partner of OS LAW Partnership, started her career as an legal corporate in prominent company in Indonesia. She focused on handling IPO Matters, general corporate
Related Practices:
Corporate Law, Alternative Disputes & Resolution, M&A and Industrial
Relation
Our Team
Meet The Team
Jecky Tengens, S.H., M.Sc
Partner
Jecky is a graduate with cum laude predicate from Atma Jaya University, Indonesia, and He continued his post-graduated study from Tilburg University, Netherland Started her career as a public defender at the Mawar Saron Legal Aid Institution, Jecky is an experienced lawyer who focuses his practice on litigation, non-litigation matters, & criminal law
Related Practices:
Litigation, Criminal Litigation, Arbitrartion, Corporate Law, Bankruptcy
and suspension of payment.
Yanto Nelson Nalle, S.H., M.H.
Senior Associate
Nelson is senior associate of OS LAW Partnership, he graduated from Faculty of Law, Bung Karno University. Started her career as an Advocate at Rajawali Kusuma Lawfirm with experiences in criminal law, commercial leasing law, and labor employment litigation.
Related Practices:
Commercial Leasing Law, Commercial Litigation, Labor Employment
Litigation and Criminal Litigation
Riky J Naibaho S.H.
Jr. Associate
Riky is junior associate of OS LAW Partnership, he graduated from Faculty of Law, Medan Area University. Since joining the firm, he has been actively involved in several litigation cases, including bankruptcy and suspension of payment cases, criminal cases, and civil cases.
Related Practices:
Labor Employment Litigation, General Legal, Permit, & Licensing, Civil
and Criminal Litigation
Portofolio
Our Client
- 1. PT MD Pictures Tbk.
- 2. PT. Adi Sarana Armada Tbk
- 3. PT. SLJ GLOBAL Tbk
- 4. PT Bank Bank Central Asia Tbk (BCA)
- 5. PT BPR Multi Sembada Dana
- 6. PT Multi Nitrotama Kimia
- 7. PT Oti Eya Abadi
- 8. PT. Bali Artha Seduh
- 9. PT Bursa Crypto Prima (Pedagang Aset Kripto)
- 10. MPM Finance
- 11. PT Rukun Makmur
- 12. PT Westerfield Alumina Indonesia
- 13. PT Changsu Industrial Indonesia
- 14. PT Obsidian Stainless Steel
- 15. PT Tracol Asia Indonesia
- 16. PT RLK Development Indonesia
- 17. PT Bengkulu Sawit Lestari
- 18. PT Adikari Wisesa Indonesia
- 19. Yayasan Amri Bersaudara
- 20. and many more
Our Contact
Address
The Mansion Bougenville, Tower Fontana, Lt. 25-H2, Kemayoran, Jakarta Utara
Phone Number
0822-4691-4631
Website
