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Driven by Integrity.
Defined by Excellence.

The world is changing, fast. From rapid technological innovation to evolving regulations and increasingly complex business environments, the legal challenges of today require more than conventional solutions. Businesses and individuals need legal partners who not only understand the law but also the context in which it operates. At Sianturi & Partners, we hold “driven by integrity, defined by excellence” principle. Our commitment goes beyond resolving legal issues; we strive to be long-term partners who support your growth, protect your interests, and help you realize your full potential. With a team grounded in professionalism, ethical conduct, and a passion for excellence, we are here to guide you through every challenge with confidence and clarity.

Our Values

Integrity

We uphold the highest ethical standards in every engagement.

Business Meeting

Professional Excellence

We are committed to thorough analysis, precision, and continuous improvement.

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Team Collaboration

Client-Centered Approach

We listen carefully and tailor solutions to each client's unique needs.

Professional Consultation

Strategic Mindset

We think beyond legal theory to deliver practical and forward-looking advice.

About Us

Sianturi & Partners is a specialist dispute resolution firm with a forward-thinking in legal and consultancy. We are committed to delivering principled advice and results-driven solutions.

About Sianturi & Partners

Practice Areas

Sianturi & Partners focuses on dispute-driven legal services, providing strategic representation and advisory across complex and high-stakes matters.

Corporate & Commercial Disputes
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Corporate & Commercial Disputes

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We represent corporations, shareholders, directors, and business entities in corporate and commercial disputes arising from contractual relationships, joint ventures, shareholder conflicts, and business transactions.

Criminal Defense & Investigation
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Criminal Defense & Investigation

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Our criminal practice provides robust defense and legal representation for individuals and corporate clients facing criminal investigations, prosecutions, and enforcement actions.

Arbitration & Alternative Dispute Resolution
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Arbitration & Alternative Dispute Resolution

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We advise and represent clients in domestic and international arbitration, mediation, and other alternative dispute resolution mechanisms.

Consumer-related Disputes
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Consumer-related Disputes

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We assist businesses and individuals in resolving consumer-related disputes, including claims involving product liability, services, and regulatory compliance. Our focus is on managing legal exposure while maintaining reputational integrity.

Business Judgement Rule
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Business Judgement Rule

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We provide legal opinions and strategic advice to directors, commissioners, and corporate officers regarding the application of the Business Judgment Rule (BJR) under Indonesian law. Our advisory services aim to mitigate personal liability risks in corporate decision-making.

Administrative Dispute
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Administrative Dispute

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We represent clients in disputes involving government authorities, regulatory bodies, and administrative decisions. This includes challenges to licenses, permits, sanctions, and other administrative actions.

Investor-State Dispute Settlement
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Investor-State Dispute Settlement

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We advise investors and stakeholders on disputes involving state actions that affect investments, including regulatory changes and expropriation-related issues. Our practice integrates international legal principles with Indonesian regulatory frameworks.

White Collar Crime
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White Collar Crime

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We represent clients in white-collar and financial crime matters, including corruption, fraud, embezzlement, and related regulatory investigations. Our approach is discreet, strategic, and focused on safeguarding both legal and reputational interests.

Our Team

At Sianturi & Partners, our strength lies in the quality, integrity, and dedication of our people. Our team is composed of lawyers who combine strong legal fundamentals with practical insight, strategic thinking, and a deep sense of professional responsibility.

Petrus Richard Sianturi
Petrus Richard Sianturi

Managing Partner

Tegar Maulana Algamar
Tegar Maulana Algamar

Partner

Dwiki Kristantio
Dwiki Kristantio

Partner

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