Let me introduce you.
The Netherlands Institute of International Home Economics is the best private service training institution in the world today. The richest families and enterprises in the world, as well as five-star hotels, send their employees to graduate schools for training or hire their graduates. In addition to the most basic etiquette training, the course of Butler College also creates a course for students on how to enjoy and understand the truly noble quality of life. For example, arrange students to study the identification, collection and maintenance of silverware and glassware at the Dutch National Collection Institute; Visit Sotheby's auction house; Visit the production process of brand-name shoes. Only by knowing this can we know how to serve those distinguished guests.
But their expenses are very high.
In fact, there are similar companies or schools in China, but in this respect, Chinese mainland is not doing well. I suggest you invite people from China and Hong Kong, because there are many British cultures in China and Hong Kong, and the best housekeeper is in Europe with a long aristocratic tradition.