mcgrath logo

1920 S. Kingshighway Blvd.
St. Louis, MO 63110


McGrath & Associates, Inc. is a full-service general contracting and construction management firm with in-house design/build services. Founded in 1983, we specialize in pharmaceutical, healthcare, energy, industrial, and commercial projects.

Ranked among the top 20 largest general contractors in St. Louis, McGrath is a customer-friendly company named “General Contractor of the Year” six times by the American Subcontractors Association Midwest Council. As a 100 percent employee-owned company, we are committed to our clients and dedicated to our corporate vision and mission.

Our Approach

Quality of work and expertise in complex, sensitive environments truly set McGrath & Associates apart from others. We provide general contracting, construction management and in-house design/build services to deliver a first-class product.

Your interests always come first. From concept through completion, we commit the best talent and resources available. Your project will be built the way you want it, on a foundation of trust.

We focus on the details – no excuses, no unexpected costs, always top-quality results. Our experienced staff will bring order and understanding to even the most complex job, maintaining quality, budgets and schedules as promised.

McGrath & Associates, Inc. provides our clients with the best construction services available while maintaining the highest levels of quality, safety and control.

Through excellence in performance and quality, McGrath & Associates strives to be the construction contractor of choice for customers, subcontractors, suppliers and employees.


General Contracting

McGrath is known as a friendly construction company, with some of the best subcontractor relationships in the industry. Ranked among the top 20 largest general contractors in St. Louis, we’ve been named “General Contractor of the Year” six times the American Subcontractors Association Midwest Council, and are nominated for the award year after year.

Construction Management

As the owner’s agent, we proactively meet with clients, architects and subcontractors throughout the construction process, to ensure quality, safety and cost control.

Your dedicated project management team is on-site every day, committed to the McGrath level of excellence and focused solely on delivering your project.


Our in-house design and construction team collaborates under a single contract to streamline project delivery, foster collaboration and teamwork, and typically complete the project faster and more cost effectively.