The expense of hiring a commercial building cleaning Singapore may seem high at first, but the benefits of maintaining a clean working environment far outweigh any expenses. To make an informed decision on your office housekeeping personnel, you should first establish an estimated number of hours. To figure out what daily office hourly rate is needed for your workspace, you can use a daily office hourly calculator and enter the square footage of your workspace along with the tasks required. Once you have a rough idea of how many hours are needed on a daily basis, you need to find out the market rate for cleaning services.