Mr Quah joined Kuala Lumpur Kepong Berhad in 2014 and held a managerial position, eventually becoming a Senior Corporate Manager in 2021. Later that year, he was transferred to Chemical Company of Malaysia Berhad Group as its Financial Controller. In this role, he has been responsible for overseeing both the Finance and IT functions. On 1 April 2025, he was appointed as the Chief Financial Officer of Batu Kawan Berhad.