Importance of great customer service. Just like you are in a business they are too. Business rely on your service to keep their business up and running, just like you need their business to keep your business running. Remember, if they don't bring in enough business or fail you are out of a customer. So, it is very important that you provide a strong and great service to your customers so those businesses can also provide the same service to their customers. Customer service is like a domino affect, it triples down. 

It is very important for businesses to provide their employees with much customer service training. If your businesses and employees provide that great customer service, your customers will also have that enthusiasm to do so the same with their customers. IJCSA provides great training courses and also many articles of business members each with their unique input on customer service. For each business is different. https://ijcsa.org/Janitorial-Service-Directory-Find-A-Janitorial-Service-JanitorialServices