NAI Global | 13,872 followers on LinkedIn. NAI Global is a leading global commercial real estate brokerage firm. | NAI Global is a leading global commercial real estate brokerage firm. NAI Global offices are leaders in their local markets and work in unison to provide clients with exceptional solutions to their commercial real estate needs. NAI Global has more than 300 offices strategically located throughout North America, Latin America, Europe, Africa and Asia Pacific, with over 5,100 local market professionals, managing in excess of 1.1 billion square feet of property.