Hiring the wrong contractor is a costly mistake. After 12 years in KL, I have...

https://ace-wiki.win/index.php/The_Pragmatic_Guide_to_Planning_an_Acoustic_Room_in_Your_Office_Fit-Out

Hiring the wrong contractor is a costly mistake. After 12 years in KL, I have seen it all. Don't sign until you verify their CIDB registration, demand detailed itemized quotes, and map out every timeline stage. Let’s avoid those nasty hidden costs.