McGrath & Associates: Experience You Can Build On
McGrath & Associates is a St. Louis-based general contracting, construction management, and architectural design firm recognized throughout the Midwest for excellence in complex and highly-regulated environments. We specialize in healthcare, industrial, energy, pharmaceutical, and commercial projects, combining self-perform capabilities, design-build expertise, and a zero-incident safety culture. Our company is ranked among the top 20 largest general contractors in St. Louis and has won “General Contractor of the Year” ten times by the American Subcontractors Association Midwest Council.
About
About McGrath & Associates
Founded in 1983, McGrath & Associates has grown from a small partnership into one of the Midwest’s most trusted general contracting and construction management firms. Built on the belief that lasting relationships are the foundation of every successful project, we have earned a reputation for safety, quality, and reliability across some of the region’s most complex construction projects.
Today, our teams continue the legacy started by our founders, delivering innovative, client-focused solutions with honesty, collaboration, and superior craftsmanship. With a repeat-client rate of over 80%, our success is measured not just by the buildings we complete but by the partnerships we continue to build year after year. Learn more about McGrath & Associates, from our history to our core commitments.
CEO’s Message
At McGrath & Associates, our success has always been rooted in people—our employees, our clients, and our partners. For more than four decades, we have remained committed to building more than structures; we build trust through integrity, collaboration, accountability, and a steadfast commitment to excellence.
I would first like to thank our employees, past and present, whose dedication, hard work, and professionalism have shaped the company we are today. Through your efforts, McGrath & Associates has grown into a trusted construction partner serving the healthcare, pharmaceutical, industrial, commercial, and energy sectors. More importantly, you have helped create a culture where safety, quality, innovation, and service are at the heart of everything we do.
As an employee-owned company, every project we undertake reflects a shared responsibility to deliver exceptional results. Our people take personal ownership in their work and are committed to meeting challenges with the experience, expertise, and determination required to achieve successful outcomes for our clients.
To our clients and partners, thank you for the confidence and trust you place in us. We understand that every project represents an important investment in your business, your people, and your future. We do not take that responsibility lightly. The long-standing relationships we have built over the years are among our greatest accomplishments, and we are honored each time a client chooses to work with us again.
As we look ahead, our commitment remains unchanged. We will continue investing in our people, embracing innovation, strengthening partnerships, and delivering projects with the highest standards of safety, quality, and performance. I am proud of the culture we have built and the legacy we continue to strengthen. The future of McGrath & Associates is bright, and we remain dedicated to being a company where talented people build rewarding careers and where clients can confidently rely on us to deliver exceptional results.
Thank you for your trust in McGrath & Associates. We look forward to building what’s next—together.
—Nicholas Knobbe, CEO
Team Success
At McGrath & Associates, our people are the foundation of our success. As a 100% employee-owned company, every executive, superintendent, estimator, architect, accountant, and project manager takes personal ownership in our work and in our clients’ satisfaction. This shared sense of pride and accountability strengthens our commitment to delivering safe, high-quality results. With decades of experience, long-term employee retention, and a culture built on collaboration, trust, and integrity, our team exemplifies what it means to build success together. Discover the principles and people who make McGrath & Associates different.
Safety
At McGrath & Associates, safety isn’t just a priority but a fundamental part of who we are. We take a proactive, cooperative approach to safety, working collaboratively with our employees, clients, and subcontractors to plan ahead, identify potential risks, and find safer ways to perform every task. Through comprehensive training, detailed site-specific planning, and daily engagement, we strive to achieve zero injuries each year.
This unwavering dedication has earned us recognition for safety excellence, with performance metrics that consistently exceed industry standards. Read more about our commitment to safety.
Careers & Culture
McGrath & Associates is built on people who take pride in what they do and care about the clients and communities we serve. We know that exceptional work comes from a workplace that engages, motivates, and supports its people. Our culture emphasizes safety, integrity, and teamwork, creating an environment where every employee has the opportunity to grow and succeed.
Explore current career opportunities, and learn more about the workplace culture embodied by McGrath & Associates.