The traditional method of cleaning office building windows doesn’t work for high rise buildings. Since these windows tend to be very inaccessible (for obvious reasons), they require special tools for cleaning. If you don’t have the right tools, the job can become very dangerous.
Hiring a professional is the only way to safely and thoroughly clean these windows. It may be a big job and you don’t want to risk an injury to someone inexperienced trying to handle window cleaning for high rise buildings.
A professional high rise window cleaner has all the necessary tools scaffolding and specific tools allowing them to reach higher windows. They know what they are doing, and they can clean your windows safely.