A professional is trained in how to properly remove the mold without spreading it around your home or office. They know what type of chemicals are safe to use and how much is needed for effective removal. If you don’t know what you’re doing, you could inadvertently make a bad situation worse by using too much or the wrong kind of solution.
They have access to specialized equipment that can help them get rid of the problem quickly and effectively. Hiring a professional means that they’ll have all the right tools on hand so you don’t have to worry about spending money on equipment or supplies that may not be necessary for your specific situation.
They can handle any size job, no matter how large or small it may be. The only time this might not be true is if you have a very large home with multiple rooms affected by mold, but even then, most companies offer services at different levels depending on your needs (for example, full service vs partial service).