Anna Marie M. Escober


On behalf of POWER HOUSE PEST CONTROL SERVICES, we wish to express our deepest gratitude for your great efforts, assistance and supervision for the completion of our ISO 9001:2015, ISO 14001:2015 and ISO 45001:2018 Certification. Despite the pandemic, you have given us your utmost support and enabled us to meet all ISO standards and requirements. We thereby express our paramount satisfaction with the quality of service by the Sterling team and do highly recommend it to other business entities seeking for an effective partner in their ISO Certification needs. Finally, thank you Mr. Kaushal Sutaria and Ms. Asuncion Villanueva, for your support and guidance throughout the process and completion of our ISO Certification.