About Us: Hi - I am Mark Christian Cantu. I am a real estate broker in the San Antonio and Laredo areas. I started my own firm this year, and I have never looked back! I am pursuing a profession that I love, and with that I think that I am one of the luckiest people alive. I name my company, UNO, Uno being the Spanish word for One. I work with a group of individuals including a registered AIA architect, mortgage loan officers, and contractors to help create efficiencies in your next real estate transaction. Uno - The Power of One. Let us assist you in your next real estate