"We are pleased to recommend Prinsip Mahir Sdn Bhd to all food manufacturers who are seeking quality and food safety consulting to further improve their processes." - QA Manager

"Kami amat menghargai perundingan berkesan yang telah diberikan oleh Prinsip Mahir Sdn Bhd" - Pengurus Besar

"Your full devotion regardless of schedules and effort has greatly surpassed [our] expectations . . . so we are quite sure and confident that we will still be able to count on your contribution in the future." - Managing Director

"I . . . would [like] to express our gratitude towards Prinsip Mahir['s ISO] consultation service. I would recommend Prinsip Mahir to those companies looking for good consultation service." - Chemist & Management

"Sikap profesional dan kesungguhan yang ditunjukkan oleg pakar perunding Prinsip Mahir Sdn Bhd, memudahkan kakitangan kami melaksanakan langkah-langkah perlaksanaan megikut kriteria yang diperlukan, sehingga berjaya mencapai standad yang ditetapkan oleh BRS Certification Malaysia Sdn Bhd yang telah menganugerahkan Sijil ISO 9001:2015 kepada Segi Seri Sdn Bhd." - Pengarah Urusan

"Prinsip Mahir Sdn Bhd is an excellent [ISO] training provider and consultancy firm to be able to provide both Lead Auditor Programmes in ISO 17025 and ISO 13485. They have excellent client side experience, backing up professionalism with in-depth understanding of . . . regulation and industry practices" - Senior Science Officer