Built on Clarity. Defined by Control. TMS is a boutique tax advisory firm established with a clear objective: to bring structure, clarity, and control to complex tax environments.
Vision
To bring clarity and control to complex tax environments
Mission
Operate tax with precision, strategy, and full accountability proactively managing risk while ensuring every position is defensible.
Our team delivers precise, strategic tax solutions with full accountability and defensibility...
Trio Ferdyanto S.E., M.H., BKP
Founder & Managing Partner
Trio Ferdyanto is the Founder and Managing Partner of TMS, a strategic tax advisory firm built on the principles of clarity, structure, and control. With over a decade of experience in taxation and business law, he advises corporations, business owners, and high-net-worth individuals on navigating complex tax environments with precision and confidence. His expertise lies at the intersection of tax, legal, and commercial strategy covering tax planning, compliance oversight, tax risk management, audit defense, and dispute resolution. As a licensed tax consultant and tax court attorney, Trio brings a dual perspective technical and legal enabling him to design defensible tax positions while maintaining strategic flexibility. His approach is highly analytical yet practical, focusing on anticipating risks, strengthening tax positions, and ensuring alignment between business decisions and tax outcomes. Through TMS, he aims to redefine how tax advisory is delivered moving beyond conventional compliance into a disciplined advisory model that provides clients with clarity in decision-making, structured execution, and full control over their tax landscape.
Muhamad Andrey
Tax Reporting & Compliance Specialist
Muhamad Andrey is a tax and accounting professional with over 7 years of experience in handling tax compliance, financial reporting, and audit coordination across various industries. His professional background includes experience with institutions such as Bank Indonesia, the logistics and shipping sector through Trakindo Group, the pharmaceutical industry at Takeda Indonesia, and his involvement with Kreston Indonesia, where he was exposed to large corporate groups including Lippo Group. He also has experience working with a publicly listed company in the shipping and oil & gas sector, Sillo Maritime Perdana Tbk, as well as prior experience with a Malaysia-based oil & gas company, IEV Gas. In addition, he has been involved in engagements across various industries, including media and property. Andrey has extensive experience in handling Corporate Income Tax (CIT), Tax Compliance, SP2DK, Tax Due Diligence, as well as assisting clients during Tax audits and dispute resolution processes. He holds Brevet A, B, and C certifications, along with professional tax certifications CPTT and CTT, and is licensed with a tax litigation power of attorney. He is known for his analytical, practical, and solution-oriented approach. Beyond ensuring tax compliance, he actively helps clients reduce tax risks, avoid potential adjustments, and improve efficiency in a measurable and sustainable manner. His proficiency in systems such as SAP, Oracle, Accurate, Sage, and other ERP platforms enables him to deliver practical and impactful solutions.