Providing exceptional, dedicated criminal defence representation with a commitment to fair outcomes and client-first legal services.


Mark Yeo is the Director and Co-founder of Fortress Law, recognized by The Straits Times as one of Singapore's Top-Rated Criminal Defence Lawyers 2025. Co-founding Fortress Law in November 2023, Mark is dedicated to delivering outstanding legal representation while establishing a sustainable, modern legal practice. He has successfully represented clients in high-profile cases across the High Court and Court of Appeal.

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Representation in state courts, High Court, and Court of Appeal for white-collar crimes, drug offences, sexual offences, and penal code matters.
Dispute resolution, contractual disputes, and advocacy for business and personal matters.
Defence representation for workplace safety (WSHA), securities, futures, and foreign manpower regulatory matters.
Mark's dedication and exceptional work in court led to a significantly reduced sentence. Extremely grateful for his representation and support throughout the process.
Remain calm, exercise your right to legal counsel, and contact us immediately before making any detailed statements.

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