Yes, of course! The Ubertor system is made for Realtors, but many businesses that are not Real Estate related use Ubertor to market and promote their businesses.
Check out these examples:
http://www.drgood.com/ (family doctor)
http://www.ottawagyms.com/ (gym directory)
http://vancouvermassagetherapy.ourubertor.com/ (massage therapy)
http://www.eaglespiritgallery.com/ (art gallery)
http://www.kickitupanotch.ca/ (dance company)
http://www.betsythomas.com/ (lifestyle and empowerment company)
http://www.longtracklongshot.com/ (olympic sports)
http://www.silviadondera.ourubertor.com/ (nutrition and fitness)
Feel free to contact us via Live Help if you have questions about setting up your non-Real Estate site!