G.S Wilcox & Co. Overview. Founded in 1994 by Gretchen Wilcox, G.S. Wilcox & Co. is a family-owned S corporation and is a leader in the commercial real estate investment banking industry. The firm provides debt solutions to developers, real estate private equity firms, institutional investors, and other owners of commercial real estate. G.S. Wilcox & Co. is a service provider with 10 employees who act in between the money source and the borrowing...