The dirtier the office is, the more regularly it should be cleaned. Well, that was just too easy to say. It is like doing surface cleaning. It only looks clean but dig behind the surface and there you see what was left behind. That would also smack of tardiness. Professional office cleaning in Pittsburgh, PA on the other hand, will or should be scheduled. The scheduling should be arranged beforehand between the contracted cleaning supervisor and the office manager.
No matter how clean and tidy the office already appears to be, it should still be cleaned regularly. Just how regularly would have been a matter of conjecture and at the discretion of the cleaning supervisor. But do expect to be told that the office needs to be cleaned on the daily basis. Also note, and expect this too, the office could be cleaned twice, perhaps even, three times a day. It also hinges on what the office is being used for.
And what the foot traffic is like. So of course, it makes complete sense to clean the office three times over a period of 24 hours if the office environment is being exploited for three shifts. The call center and all night stock broking office would be two good examples. Now, every good office, it does not matter what it is being used for and how busy it is, will have at least one restroom attached to it. Of course, the larger the office floor space, the more likely it becomes to have more than one restroom.
And these rooms are critical. They need to be cleaned and sanitized pretty much all day and all night, all depending on how busy the office is going to be.