Delivering Quality Legal Support
Unlike most law firms using name of the founders, we thoughtfully name our firm “SIGMA” on the basis of everyone has equal opportunity to be the face of the firm and that ‘hard work, integrity, and positive mindset’ is what matter. Officially established in 2022 by three Partners to cater the need of legal service that are innovative and technology savvy.
We Sigma are group of passionate lawyers, who share same vision and mission comes from similar values and mindset background. We have represented clients in hundred of cases both litigation and non litigation for domestic and international clients
Our mission is to provide strategic legal resolution that is responsive, fast, cost-efficient and confidential.
Why Clients Choose Us
We offer legal and extrajudicial assistance and advice in national /international and private law with many years of experience in a wide variety cases.
To be more specific:
Carefully Selected Lawyers
All studied at reputable universities and are Peradi Members.
Commited To Our Clients
We serve always in our Client's best interest
No Extra Charges
We are clear and transparent from start to end
Some of our team
Our Specialist Lawyers
M.O. Saut Hamonangan Turnip, S.H.,M.H., C.T.L.C., C.T.T.
Managing Partner and Partner of the Sigma Law Firm, hold LLB and LLM from reputable university in Indonesia
Hold a special license in the field of taxation and experienced in handling numerous cases on Bankruptcy, General Civil cases, Banking and finances , Termination of Industrial Relations cases
Defense lawyer for individual/corporate criminal charges
- Litigation
Luisa Turnip L, S.H.
Co-Founder and Partner at the Sigma Law Firm. Her specialty is to provide legal consultation to individuals, companies both domestic and international.
- Review and drafting domestic and international contracts,
- Provide legal assistance to establish company SMME and foreign direct investment company
- Business permit and licenses
- Legal due diligence
- Assisting M & A transaction process
- Litigation
Rahdityanto Regowo, S.H.
- Partner at the Sigma Law Firm
- Provide legal advise on and drafting arbitration and mediation rules for private and statutory bodies.
- Provide strategic legal solution for Corporate legal issues through mediation
- Litigation lawyer on civil and business suits for foreigners clients
- Excellent negotiator for settlement alternative solutions for individual /company legal disputes
- Provide legal compliance service for PMA and PMDN
Dr. Drs. Alidin Sitanggang, M.M.,
- Sigma Law Firm – Senior Partner
- He is a lecturer and banking consultant, has experienced as ODP to Head of Credit Division of Bank Dagang Negara, Jakarta, Senior Officer Credit Restructuring Unit of Bank Mandiri Head Office, Jakarta, Team Leader Regional Credit Recovery of Regional Office II Sumbagsel in Palembang D, Team Leader Regional Credit Recovery of Regional Office IX Kalimantan Banjarmasin, Senior Manager Commercial Banking Center Banjarmasin, Team Leader Transaction Banking CBC Balikpapan, Branch Manager Tanjung Priok, Jakarta and currently working at STTPBB, Tamiang Layang Kalteng in Jakarta
Rexy Hernando Hutabarat, S.H.
- Partner at the Sigma Law Firm
- Provides legal advice to individuals, companies from different countries and background on civil and criminal cases
- Provides legal assistance in drafting arbitration and mediation rules for private and statutory bodies for disputes settlement
- Real Estate expert on property, land, apartment, commercial/residential house ranging leases, purchase & mortgages
- Mediation and Litigation
Arif Ridho Wegitama, S.H., Ctlc
- Sigma Law Firm Partner
- Provide legal and business advice on Foreign and domestic investment investment (PMDM/ PMA) establishment and dissolution mainly in Jakarta and Bali
- Corporate Licensing and Permits
- Visa and immigrations
- Provide legal resolution on various type of legal disputes on hotel/resort, resident or commercial villa, and real estate construction,
- Export import goods law and regulations
- Mediation and Litigation
Rudy E. Mamanua, ANZIIF
Advocate and Senior Associate of ANZIIF with LL.B. and LL.M. Over 15 years’ experience with leading insurers (AIG, Chubb) and global broker (Marsh McLennan). Expertise in insurance law, liability claims (Casualty, Financial Lines), corporate legal advisory, contract drafting, translation, and due diligence. Proven in handling complex fraud, embezzlement, corporate agreements, and high-value insurance litigation support.
Edi Mateus Turnip, S. H.
- Sigma Law Firm Associate
- Helping lawyers carry out legal actions.
- Provide assistance to serve the firm clients.
- Carrying out policy advocacy.
- Provide legal assistance for lawyers.
- Collaborate with legal counselors.
- Accompanying in legal counseling activities.
Dian Pirdot Ananta A, S.H.
- Sigma Law Firm Partner
- Corporate Licensing and Permits
- commercial villa, and real estate construction and boat purchases
- Export import goods law and regulations
- Dispute resolution revolving domestic issues, divorce, child custody, prenuptial/postnuptialt, wills and wills and trust probation resolution