About RDJ Advisory

Senior practitioners.
Direct involvement.

RDJ Advisory is a boutique multi-services tax, legal and corporate finance advisory firm supporting businesses in managing fiscal exposure, regulatory complexity and structural decisions.

Practical advice. Defendable business decisions.

Who We Are

A partner-led advisory model built around senior involvement.

Founded by senior practitioners with more than 20 years of professional experience in taxation, customs, regional tax and non-tax state revenue (PNBP), RDJ works closely with founders, boards, CFOs and legal teams to translate regulation into workable and defendable business decisions.

Integrated Perspective

RDJ applies an integrated advisory approach combining tax, legal, regulatory and corporate finance perspectives.

Senior-Handled Engagements

Every engagement is handled directly by senior practitioners so that recommendations remain practical, compliant and defendable under regulatory scrutiny.

Continuity & Accountability

RDJ is built on a partner-led advisory model supported by senior consultants and a professional alliance network, helping ensure continuity of advice and consistent quality.

Who We Advise

Advisory for business decision-makers.

FoundersBusiness ownership and strategic decisions

BoardsGovernance, exposure and strategic oversight

CFOsTax, finance and structural decisions

Tax LeadersTax risk, disputes and transfer pricing

Legal TeamsRegulatory, contracts and dispute support

Executive TeamsCross-functional business decisions

Why RDJ Advisory

Experience, professionalism and results.

In-Depth Industry Experience

RDJ’s management and advisors have been involved in projects across coal mining and mining services, plantations, shipping and freight forwarding, consumer goods, transportation, banking, financial services, pharmaceutical, pest control and hygiene services.

Professional Team

RDJ is supported by experienced professionals with a strong track record in the market, leading and executing major transactions for public and private sector clients.

Results Driven

RDJ is committed to delivering assignments and transactions through a value-added and customized approach focused on achieving optimal outcomes for stakeholders.

Our Key People

The experience behind every solution.

Ridzza Djumri

Advocate - Founder and Managing Partner

Ridzza has more than 20 years of professional experience advising founders, board and executive teams on fiscal exposure, business law advisory, regulatory compliance, transfer pricing, corporate finance structuring, controversy and dispute resolution.

His background includes senior roles at PwC, EY, Kraft Foods, Maersk Line Group, Sinarmas Mining Group and Berau Coal Energy Tbk.

Industry Leadership and Lecturing: Deputy Chairman for Tax, Finance & Investment, Research & Statistics, and Event & Training at the Indonesian Coal Mining Association (APBI-ICMA); Lecturer at the University of Indonesia; and CEO - Klinik Pajak as Tax Center and Consulting at Vokasi UI.

MiningEnergyLogisticsManufacturingRegulated Industries

Advocate | Lecturer at University of Indonesia | Certified Tax Consultant (C License) | Certified Tax Attorney | Customs Lawyer

Nadiah Said

Partner and Co-Founder – Corporate Finance

Nadiah brings over a decade of practical experience in the banking industry, specializing in funding, business development, marketing, communication and financial services.

Banking • Funding • Financial Services • Business Development

Yudi S. Gardayudia

Senior Advisor – Tax

Former Directorate General of Taxes (DGT) professional with over 30 years of service and leadership experience in tax audit, collection, intelligence, investigation, objections and dispute resolution.

Tax Risk Management • Audit Readiness • Tax Dispute Resolution

Agung Suryanto

Technical Advisor – Advisory

Senior professional with more than 20 years of cross-sector experience, particularly in mining, corporate compliance, risk management and organizational governance.

Feasibility Study • Business Valuation • GRC • Corporate Restructuring

Ibnu Tindri Ali

Litigator - Advocate

Indonesian lawyer with extensive expertise in commercial litigation and dispute resolution, including commercial and criminal litigation, intellectual property, labour law, bankruptcy and regulatory matters.

Commercial Litigation • Criminal Litigation • IP • Bankruptcy • Regulatory

Risyad Arhamullah

Litigator – Advocate

Seasoned Indonesian lawyer with experience in dispute resolution, restructuring, banking and financial institution disputes, commercial fraud and general corporate matters.

Dispute Resolution • Restructuring • Banking Disputes • Corporate

Goals & Vision

Goals

RDJ Advisory works closely with clients to continuously enhance their corporate value with missions to bring success to clients, continuously enhance clients’ corporate value and deliver results through innovation.

Vision

To be the leading advisory firm that brings optimum value creation by connecting people, places and ideas, while continuing to refine quality, expand capabilities and efficiency, and elevate stakeholders’ satisfaction to a higher level.

Our Advisory Model

Senior practitioners. Direct involvement. Practical solutions. One integrated advisory perspective across tax, legal, regulatory and corporate finance matters.

Our Values

Professional standards that guide every engagement.

Quality

Attention to detail and a continuous drive for excellence.

Trust

Transparency, confidentiality and client interests.

Expertise

Deep knowledge, practical experience and value-driven solutions.

Integrity

Honesty, fairness, accountability and ethical standards.

Reliable

Dependable, consistent and committed to delivery.

Professional

Professionalism, respect and responsibility.

Speak to RDJ Advisory

Complex business issue?
Start with a senior conversation.

Discuss tax, legal, regulatory, transfer pricing or corporate finance matters directly with our advisory team.

Speak to an Advisor →

Senior practitioners.Direct involvement.