There are many odd jobs that still need to be done, including the spraying and scrapping and wiping of large windows in the city of Dublin. The idea of the owner doing it largely applies to small buildings with a single story. As multiple stories become more common the more you proceed to downtown, it becomes apparent that a regular employee couldn’t do such a large exterior job. Hire a local contractor that does a job in window cleaning Dublin property owners have come to trust.
Never underestimate the expertise of someone who just washes the windows. This is a technical challenge for multistory buildings that often require motorized equipment and logistical planning. A private company might not have the resources to clean their own windows, but this does not mean that a reasonably priced service is not available. Find the right window people anytime you want to remove those specks and let the sunshine in.