Sadsad Tamesis Legal & Accountacy Firm
Corporate Department
Cheska Santiago is a corporate services professional specializing in corporate governance, regulatory compliance, and international business support.
Cheska Nicole Santiago
Corporate Service Supervisor
Simoun Elias works as a corporate service supervisor, leading a team that provides support to businesses in their corporate housekeeping, regulatory compliance and business registration/retirement needs, and likewise handles property transfer and acquisitions.
Simoun Terrence Elias
Corporate Service Supervisor II
Myravie Vibal earned her Bachelor of Arts in Political Science, major in International Relations. Currently, she handles matters related to property management and acquisition, providing support in legal documentation, due diligence, and compliance processes.
Myravie Vibal
Property Officer
Kyzyl Mendoza is a corporate service officer who focuses on matters concerning corporate registration and corporate housekeeping, including registration with relevant government agencies, compliance with mandatory business requirements, and the securing of other licenses as required by law.
Kyzyl Kate Mendoza
Corporate Service Officer
Leila Iah Capua began her academic journey in the Humanities and Social Sciences track at STI College Marikina. She later earned her Bachelor of Arts in Political Science from the Polytechnic University of the Philippines.
Leila Iah Capua
Property & Acquisition Assistant
Lilean Therese Villanueva is a graduate of Bachelor of Science in Business Administration, major in Legal Management, from New Era University. She is currently pursuing her Juris Doctor degree at Pamantasang Lungsod ng Maynila.
Lilean Therese Villanueva
Legal Secretary
John Emmanuel Arellano is a Corporate Governance specialist focused on the end-to-end lifecycle management of domestic and foreign entities. His expertise spans the full corporate spectrum, from strategic formation and cross-border registration to navigating complex regulatory standards and voluntary dissolution.
John Emmanuel Arellano
Legal Secretary
Experienced Legal Attorneys
We have a reputation for providing an exceptional legal service. Our diversity in terms of skills, qualifications, interests and backgrounds results in a skilled, enthusiastic, energetic and innovative team that sets our firm apart from the rest
Seasoned Years of Experience
We started in year as De Guia, Tamesis & Sadsad Law Firm at the humble province of Marilao, Bulacan. To meet the demands of our clients from the Metro, we decided to put up another firm in Quezon City.
Defining Success
Superior legal skills and a commitment to integrity, excellence and hard work enable us to frequently exceed our clients’ expectations.
Professional and Experienced Law & Accountancy Firm
Why Choose Our Firm

Corporate & Special Projects
Superior legal skills and a commitment to integrity, excellence, and hard work enable us to frequently exceed our clients’ expectations.

Tax & Estate
• Administrative and judicial claims for tax refund • Tax advisory • Estate planning • Wills and donations • BIR online filing

Litigation
• Adoption and Family Law • Criminal Prosecution and Defense • Contractual Disputes and Civil Law • Administrative Cases • Land registration and related proceedings • Corporate and Tax laws