ABOUT ALTA CLEAN Alta Clean, meeting Denton, TX and DFW’s commercial office cleaning needs for more than 10 years. Our janitors are trained on using the best products, and cleaning at your convenience. Alta Clean offers commercial janitorial cleaning contracts to customers that are easy to understand, and we stand behind our work. Working with Alta Clean ensures that any mess left at your site will be gone in the morning! Alta Clean understands that we’ve been invited into your place of business, and that we’re “guests” so to speak, while performing your commercial janitorial cleaning. With that in mind, our reps always respect your property while working efficiently. We’re prepared to take on everything from carpet care to construction cleanup. We are team of commercial janitorial cleaning professionals you can depend on.