Here at Top Tier Cleaning, our staff has decades of combined experience serving commercial facilities in the Portland metropolitan area with professional janitorial services. Keeping your property clean is essential to maintaining a productive workspace for your employees or tenants. A full-time in-house cleaning staff, however, is expensive. At Top Tier Cleaning, we take the time to understand your facility and your needs, including your budget, to come up with a customized cleaning plan that will accommodate you and your team. Our customers often include business owners and property owners of the following: Medical offices, Dental offices, Commercial spaces, Urgent care clinics, Large commercial buildings, Retail spaces.