Dean Gainey portrait


Dean Gainey is the owner of Advantage Realty Group, Inc, Gainey Construction, LLC, and Southeastern Rentals, LLC.

Dean’s career in Real Estate began in 1985 and expanded rapidly when he started Gainey Construction Company and later added Southeastern Rentals to his business ventures.  Over the years, he has enjoyed having the honor of being the number one Independent Real Estate Agency as well as the number one Independent Construction Company in Sumter.

In 2018, Dean was inducted into the Sumter Boards Real Estate Hall of fame. Among his other accomplishments, he served on the Sumter Board of Realtor’s for three years. He was an officer in the Home Builders Association for five years and on the HBA board for twelve years.

He is a Sumter native and is married to Susan Renee Gainey. Dean attributes his success to surrounding himself with wonderful friends and loyal people.

Dr. James A Stewart


As Administrative Broker of Advantage Realty Group, my utmost goal is to continue to earn the honor of being Sumter’s number one independent Real Estate Agency.

Here at Advantage, we strive to provide a friendly atmosphere for our clients to help make buying and selling as stress free as possible.  We also provide an outstanding continuing “hands on” education for the support of our professional agents, to help keep them engaged and passionate about their possibilities and success.

Our office culture centers around collaborating friendships, personal integrity, and exceptional service to our clients.  If you are someone who wants to work in an office that has an atmosphere of peace and constant encouragement …. Please give me a call!