Our focus is acquiring, developing, and operating industrial properties

PRINCIPLE &
PERSPECTIVE

Brennan Investment Group is an industrial real estate firm strategically focused on markets, opportunities, and partnerships that deliver value beyond return on investment.

“Since we came together over a decade ago, we’ve built our portfolio by marrying veteran industrial expertise with an unwavering commitment to the people we do business with,” commented Michael W Brennan, Chairman. 

This is how we set the tone for our partnerships, delivering value to our investors. And overcome challenges for our real estate clients. It’s how we forge meaningful relationships with tenants and our broker partners. 


THE SECOND-LARGEST PRIVATELY HELD
INDUSTRIAL REAL ESTATE OWNER IN THE U.S.

604

Properties

57

Million

Square Feet

96.4%

Occupancy*


*Current as of July 25, 2025

Latest
Updates
View all →
Brennan Investment Group Acquires 13-Property Industrial Portfolio
Strategic acquisition targets growing demand for small-bay industrial product
Andrew Mazey, Senior Vice President of Atlanta and Nashville at Brennan Investment Group, photographed in a professional headshot.
Brennan Investment Group Promotes Andrew Mazey to Senior Vice President of Atlanta and Nashville
Brennan will increase capital allocations in the Atlanta industrial market
Brennan Investment Group Acquires 10-Building Shallow-Bay Industrial Portfolio Across the East Coast
– Spans 482,312 square feet across four states – Strategic in-fill assets in New York, New Jersey, Pennsylvania, and Florida

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