The company here arranges auditors to go on business trips and stay in hotels, but does the hotel pay for changing clothes by itself? Or will the company here pay?

You can reflect this problem to the other company from the side, and don't feel embarrassed. Our company is very kind to people in the office, because they pay for the hotel themselves, so our company pays for meals (morning, noon and evening), and we have breakfast and dinner in our hotel, which is quite high-end. Lunch is eaten in our company's restaurant. It's basically responsive.

Then I would like to ask what is the accommodation standard of your company? If it doesn't exceed the standard, do laundry for the hotel, talk to them, and finally count the final settlement into the room fee, invoice and write the accommodation fee.

Is there a problem?