About GSB

GSB is the market leader in Innovative Business Process Solutions. Through nearly four decades of experience and expertise as a leader in technology development combined with a long-standing reputation for impeccable white glove service, GSB continues to set the standard for innovation, reliability and efficiency in a fast moving and ever changing market place.

What People Are Saying

GSB has proven to be a trusted partner and invaluable resource, consistently delivering new and valuable ideas. Their experience, technology and intimate knowledge of the Real Estate market make them an essential partner, enhancing Douglas Elliman's back office operations.

- Harris Bornstein
Chief Financial Officer
Douglas Elliman Property Management

Over the past 25 years GSB has been a tried and true partner for Century Management. They never fail to provide exceptional service, manage deadlines, and respond promptly to our every inquiry. Their consultative approach and innovative solutions are supported by an unsurpassed level of Real Estate Management expertise earning them our business every day.

- Mitchell Barry
Century Management Services Inc