Hire someone who is certified and understands your industry.
There are a lot of reasons why you should leave it to the professionals. First, we already know and follow Occupational Safety and Health Administration (OSHA) regulations. Second, we have a knowledge of the products and equipment necessary to get the job done right. And finally, it saves you the trouble of interviewing and hiring an in-house staff that requires training. You may think that hiring an in-house team will save you money, but training, products and equipment are not cheap. Neither is payroll and health insurance. Not to mention if something goes wrong and someone gets hurt, you will be responsible.
We know that hiring a commercial cleaner can be a challenge with all the available options out there. To help you make a good decision, here is a list of 21 questions you should always ask a commercial cleaner in an interview.