Tenant and Owner Representation The Heart of Dury Investment Group is representing tenants and owners seeking to buy, sell, lease or build office, industrial, or retail buildings or space. Dury Investment Group provides strong market research combined with years of negotiating experience and creative deal prductions and structuring. No matter the size or complexity of the project Dury Investment Group is dedicated to client satisfaction. Dury Investment Group has built a reputation for service one client at a time. From 500 Squre Feet to 100,000 Square Feet, the service is the same.