Sadsad Tamesis Legal & Accountacy Firm
Litigation Department
Atty. Gabriel D. Adora is a notable legal professional with a Juris Doctor Degree from the University of Santo Tomas. He finished his Bachelor’s degree in Political Science from the same school, wherein he graduated as Salutatorian and with Latin honors (Cum Laude).
Atty. Gabriel Adora
Senior Associate Lawyer II
Atty. Rina Raquel C. Buenavista distinguishes herself as an Exemplary Bar Passer. She has taken her Juris Doctor Degree from San Beda University, complemented by a bachelor’s degree in Elementary Education from the University of the Philippines Diliman, where she graduated with honors (Magna Cum Laude).
Atty. Rina C. Buenavista, LPT
Senior Associate Lawyer II
Atty. Renz Rumer M. Bordeos is a graduate of the University of Santo Tomas, where he attained both his Juris Doctor Degree and bachelor’s degree in Financial Management.
Atty. Renz Rumer M. Bordoes
Senior Associate Lawyer
Atty. Gieverly U. Banzuela started her professional journey in Adamson University, where she attained her Bachelor’s Degree in Communication. She then obtained her Juris Doctor Degree from New Era University.
Atty. Gieverly U. Banzuela
Senior Associate Lawyer
Atty. Al Mayo Sandino C. Paglinawan obtained his Juris Doctor Degree from Arellano University School of Law and his bachelor’s degree in Legal Management from the University of Santo Tomas.
Atty. Al Mayo C. Paglinawan
Junior Associate Lawyer
Atty. Alia Jacinta Coleen A. Del Rosario obtained her Juris Doctor degree from the Arellano University School of Law, and holds a Bachelor’s Degree in Business Administration with a Major in Marketing Management.
Atty. Alia Jacinta Coleen A. del Rosario
Junior Associate Lawyer
Atty. Maria Angelica P. Rontal is a graduate of University of the Philippines - Diliman, where she attained both her Juris Doctor and Bachelor's Degree in Business Administration with a major in Marketing.
Atty. Maria Angelica P. Rontal
Junior Associate Lawyer
Atty. Neil Jerome R. Rebueno earned his Juris Doctor degree from the University of Santo Tomas – Legazpi, after first completing his bachelor’s degree in Hotel, Restaurant, and Institution Management at the University of the Philippines – Diliman.
Atty. Neil Jerome R. Rebueno
Junior Associate Lawyer
Atty. Ana Maria Beatrice G. Dimailig obtained her Juris Doctor Degree from San Beda College Alabang Alabang - School of Law and completed her bachelor’s degree in Interdisciplinary Studies from the Ateneo de Manila University.
Atty. Ana Maria Beatrice G. Dimailig
Junior Associate Lawyer
Yurith Angeli D. Tadeo
Legal Assistant
Kimberly Cassedy S. Peredo
Legal Assistant
Angelica N. Paraiso
Legal Secretary
John Erwin A. Taypin
Legal Secretary
Michelle Mae C. Gorospe
Legal Secretary
Senior Associate Lawyer II
Atty. Gabriel D. Adora
Atty. Gabriel D. Adora is a notable legal professional with a Juris Doctor Degree from the University of Santo Tomas. He finished his Bachelor’s degree in Political Science from the same school, wherein he graduated as Salutatorian and with Latin honors (cum laude).
Throughout his academic journey, Atty. Adora exhibited exceptional leadership and scholarly prowess, serving as the Executive Editor of Vol. 65 of the prestigious UST Law Review. His dedication to legal scholarship was further underscored by his consistent inclusion on the Dean’s List within the esteemed UST Faculty of Civil Law. Noteworthy among his scholarly endeavors is his published work titled “The Stepping Stones to Solve Jail Overcrowding: Limitations in Legislation and Litigation,” featured prominently in the UST Law Review Journal.
He has dedicated his professional endeavors to handling both civil and criminal litigation cases across a spectrum of judicial forums, ranging from lower courts to the apex jurisdiction of the Supreme Court, as well as quasi-judicial bodies.
Senior Associate Lawyer II
Atty. Rina Raquel C. Buenavista, LPT
Atty. Rina Raquel C. Buenavista distinguishes herself as an Exemplary Bar Passer. She has taken her Juris Doctor Degree from San Beda University, complemented by a bachelor’s degree in Elementary Education from the University of the Philippines Diliman, where she graduated with honors (Magna Cum Laude).
In addition to her impressive academic achievements, Atty. Buenavista is a licensed professional teacher. Her tenure as a professional teacher reflects her dedication to nurturing minds, as evidenced by her exceptional contributions at renowned institutions such as Miriam College and the University of the Philippines Integrated School. At present, Atty. Buenavista is a law professor at a college in her home province.
Moreover, her innate ability to translate complex legal concepts into comprehensible frameworks positions her as an invaluable asset in both the classroom and the legal arena.
In every endeavor, Atty. Rina Raquel C. Buenavista exemplifies a rare combination of legal acumen, pedagogical prowess, and unwavering dedication, making her an indispensable leader in the legal profession.
Senior Associate Lawyer
Atty. Renz Rumer M. Bordeos
Atty. Renz Rumer M. Bordeos is a graduate of the University of Santo Tomas, where he attained both his Juris Doctor Degree and bachelor’s degree in Financial Management.
His professional journey is marked by a profound expertise in the realm of properties and analysis. His hands-on experience with transfers of properties equipped him with invaluable insights into the intricacies of property transactions and market dynamics. Furthermore, Atty. Bordeos honed his analytical prowess during his tenure as an Analyst. In this role, he meticulously conducted research and analysis, leveraging his keen intellect to identify emerging trends and evaluate competitor strategies. His astute observations and analytical acumen have consistently positioned him as a trusted advisor, adept at navigating complex business landscapes with precision and insight.
Presently, Atty. Bordeos brings his comprehensive skill set to the forefront as he handles a diverse array of civil and criminal litigation cases for the firm. His dedication to securing favorable outcomes for clients, combined with his nuanced understanding of legal intricacies, underscores his pivotal role as a dynamic legal practitioner.
Senior Associate Lawyer
Atty. Gieverly U. Banzuela
Atty. Gieverly U. Banzuela started her professional journey in Adamson University, where she attained her Bachelor’s Degree in Communication. She then obtained her Juris Doctor Degree from New Era University.
Atty. Banzuela’s diverse experience in both government and private practice has shaped her into a diligent and reliable professional. Her expertise in labor law, combined with her strong legal research and communication skills, has been instrumental in her success.
Her background in government service, experience in legal and administrative roles, and her extensive legal education serves her well as she continues her journey in the field of litigation.
Associate Lawyer
Atty. Al Mayo Sandino C. Paglinawan
Email: acpaglinawan@sadsadtamesislaw.com
Atty. Al Mayo Sandino C. Paglinawan obtained his Juris Doctor Degree from Arellano University School of Law and his bachelor’s degree in Legal Management from the University of Santo Tomas.
Following his successful admission to the Bar, he embarked on his professional journey as a litigator, adeptly handling both civil and criminal cases in various judicial and quasi-judicial forums. His proficiency extends to navigating negotiations and mediations, thereby securing favorable outcomes for his clients with diligence and expertise.
Here, his foundation proved instrumental in his approach to legal advocacy, enabling him to navigate complex civil and criminal cases with precision and expertise. His tenure laid the groundwork for his excellent career, highlighting his commitment to excellence and dedication to the pursuit of justice for his clients.
Associate Lawyer
Atty. Alia Jacinta Coleen A. Del Rosario
Atty. Alia Jacinta Coleen A. Del Rosario obtained her Juris Doctor degree from the Arellano University School of Law, and holds a Bachelor’s Degree in Business Administration with a Major in Marketing Management.
With a background as a Paralegal, she has built her expertise in the legal field by taking on a broad range of responsibilities. She has represented clients in small claims cases, participated in Single Entry Approach (SENA) hearings for labor disputes, and provided assistance in various other legal matters.
Atty. Del Rosario’s experiences have sharpened her practical understanding of the law, making her a resourceful and capable advocate for her clients. Her journey in law reflects her passion for serving others and her commitment to excellence in all she does.
Associate Lawyer
Atty. Maria Angelica P. Rontal
Atty. Maria Angelica P. Rontal is a graduate of University of the Philippines – Diliman, where she attained both her Juris Doctor and Bachelor’s Degree in Business Administration with a major in Marketing.
She started her legal career back in 2022 when she worked as a Paralegal for a law firm in Quezon City. While just in her second year of law school, she was able to garner exposure and knowledge in the field of criminal law. Moreover, her experience in the UP Office of Legal Aid helped further hone her skills in litigation as they were required to handle various cases — from drafting pleadings to making appearances in court. Under the supervision and control of her handling lawyer, she was able to effectively represent clients before the courts and obtain various experiences and skills that are only learned through practice.
In her practice, she upholds the highest standards of integrity, prioritizing transparency and fairness in all client interactions. Nevertheless, she strives to deliver successful outcomes while maintaining unwavering principles.
Associate Lawyer
Atty. Neil jerome R. Rebueno
Atty. Neil Jerome R. Rebueno earned his Juris Doctor degree from the University of Santo Tomas – Legazpi, after first completing his bachelor’s degree in Hotel, Restaurant, and Institution Management at the University of the Philippines – Diliman.
He began his legal career in a boutique law firm, where he quickly established himself as a dedicated and passionate litigator. During this time, he gained extensive experience handling a wide range of cases, including civil, criminal, and labor disputes, which allowed him to develop strong advocacy skills and a practical approach to problem-solving.
Today, Atty. Rebueno brings his drive and commitment to STLAF, where he now focuses on supporting the firm’s corporate clients. With his solid litigation background and enthusiasm for delivering practical legal solutions, he is well-positioned to contribute to the growth and success of the firm’s corporate practice.
Associate Lawyer
Atty. Ana Maria Beatrice G. Dimailig
Atty. Ana Maria Beatrice G. Dimailig obtained her Juris Doctor Degree from San Beda College Alabang Alabang – School of Law and completed her bachelor’s degree in Interdisciplinary Studies from the Ateneo de Manila University.
Prior to her admission to the Bar, she was actively involved in school organizations namely, the Centralized Bar Operations and the Election Commission where she was appointed as the assistant subject head and chairperson, respectively. She likewise had the privilege to lead her sorority’s academic division with the position of Vice for Academics. Her involvement allowed her to develop leadership abilities and a deep appreciation for critical thinking and problem solving, skills she strives to incorporate in the practice of law.
In her profession, Atty. Dimailig is a character of integrity and accountability in all her dealings in the firm and aspires for excellence in her work.
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