

Your Trusted Construction Guide
Every commercial space is a reflection of a brand; how it looks, feels, and functions speaks volumes. Whether it’s a high-end corporate office, luxury retail store, or training center, McDonnel Group helps businesses create environments that inspire confidence and enhance performance.
We understand the challenges of working in occupied buildings, premier shopping centers, and high-traffic facilities. From logistics and phasing to finishes and cleanliness, our team plans every detail to minimize disruption and maximize your return on investment.
For over two decades, McDonnel has partnered with property owners, facility managers, and developers to transform interiors across the Gulf Coast. Our commercial construction professionals bring structure and precision to every renovation, buildout, and tenant improvement project.
We guide clients through every phase, from preconstruction planning to final punch, ensuring schedules are met, spaces shine, and operations continue seamlessly.
Careful planning to minimize interruption to business operations
Customized logistical plans for staging, material handling, and access
Coordination with building management, security, and adjacent tenants
Integration of mechanical, electrical, and life-safety systems
Pristine housekeeping and indoor air quality management
Flawless schedule execution for timely move-ins and openings
High-end finishes, including millwork, marble, porcelain, and custom materials

McDonnel Group has extensive experience across a range of commercial and retail environments, including:
Each project benefits from McDonnel’s disciplined process, experienced field leaders, and a proactive team culture that ensures clients feel informed, supported, and confident from start to finish.
Your space should perform as beautifully as it looks. McDonnel’s Plan • Build • Deliver process is designed to maintain operational continuity and brand integrity throughout construction.
By blending craftsmanship with coordination, we deliver interiors that enhance your daily operations and elevate your business.





Each project reflects McDonnel’s attention to detail, proactive communication, and commitment to client success.

This renovation project will convert an existing historic warehouse into IATSE Local 478’s new corporate headquarters. IATSE Local 478 is the local film makers union for motion picture studio mechanics in Louisiana, Southern Mississippi, and Mobile, Alabama. IATSE stands for International Alliance of Theatrical Stage Employees, Moving Picture Technicians, Artists and Allied Crafts of the United States, its Territories, and Canada. The work incudes: McDonnel

New Orleans Auction Galleries recently completed a full renovation of an historic warehouse building for their new gallery and auction house. The existing 2-story building, located in the prestigious Warehouse Arts District, was customized with:

This luxury tenant improvement project consisted of a 5,900 SF renovation of a prominent New Orleans law firm’s office space. The firm’s location in a downtown high-rise office building increased the logistical challenges. McDonnel’s careful execution of the work allowed the firm to remain fully operational with minimal disruption throughout the construction. Features include:

The Circle Food Store, at the corner of St. Bernard and Claiborne Avenues, is a registered federal landmark and a New Orleans cultural icon. Originally constructed in 1938, the grocery store was flooded following Hurricane Katrina and the subsequent levee failures. The full restoration and rehabilitation of the historic Circle Food Store structure includes:
Whether renovating a law office, upgrading retail space, or transforming an entire floor, McDonnel Group brings clarity, craftsmanship, and care to every detail. We don’t just build interiors—we build environments that perform.