Business Details
31 Years
experience
Trusted Construction Contractors in NYC
concept csi is a full-service general contractor and construction management firm established in 1995, headquartered in New York City. With over 30 years of experience, we specialize in delivering high-end commercial interiors and mission-critical projects across 17 U.S. states, 40 cities, and 23 countries. Our approach combines technical expertise with a boutique-style service, prioritizing client satisfaction through adherence to schedules, budgets, and collaborative problem-solving.We serve diverse sectors including corporate real estate, healthcare, hospitality, and data centers, maintaining a strong focus on safety, innovation, and long-term client relationships. Our team of seasoned professionals brings decades of collective experience in managing complex, time-sensitive projects, ensuring precision and reliability in every endeavor.
Services
Commercial Construction
Mission Critical Projects
General Contracting
Construction Management
Design-Build
Details
- Year established: 1995
Highlights and features
- We have over 30 years of experience in commercial and mission-critical construction.
- Our client satisfaction rate is reflected in 90% repeat business.
- We operate in 17 U.S. states, 40 cities, and 23 countries.
- Our team specializes in complex, time-sensitive projects with zero tolerance for delays.
- We maintain an exemplary safety record with incident rates below industry averages.
What people say
Fastidiously hold true to timelines
Proactive problem-solving
Customer-first approach
Exemplary safety record
Trusted long-term partner
Services
Commercial Construction
We specialize in creating high-end commercial spaces tailored to client needs, from corporate offices to retail environments. Our services include preconstruction planning, general contracting, and design-build solutions. With expertise in fast-track projects, we ensure timely delivery without compromising quality or budget.
Mission Critical Projects
Our mission-critical construction services focus on data centers and infrastructure requiring zero downtime. We provide site selection, feasibility studies, and construction management, ensuring resilience and compliance. Our team excels in live environments, balancing complex logistics with precision execution.
General Contracting
As a full-service general contractor, we manage all aspects of construction from start to finish. Our services include cost estimation, value engineering, and sustainability practices. We prioritize transparency and collaboration to align projects with client goals and industry standards.
Construction Management
We offer end-to-end construction management, coordinating timelines, budgets, and stakeholders. Our approach emphasizes risk mitigation, resource optimization, and agile problem-solving. Clients benefit from dedicated oversight ensuring projects meet specifications and deadlines.
Design-Build
Our design-build services streamline construction by unifying design and execution under one team. This method reduces costs, accelerates timelines, and enhances collaboration. We deliver cohesive solutions for complex projects, ensuring alignment with client vision and operational needs.
People
Sean Mulleady
CEO
Sean Mulleady, CEO of concept csi, leads with over 30 years of industry experience. He focuses on strategic growth, client relations, and fostering a culture of integrity. His hands-on approach ensures client needs drive every project decision.
Questions
What types of projects does concept csi specialize in?
We specialize in commercial interiors, mission-critical infrastructure, data centers, and complex construction projects requiring technical precision and timely delivery.
How long has concept csi been in business?
We have over 30 years of experience, established in 1995, with a proven track record in national and international projects.
Do you handle projects outside the United States?
Yes, we operate in 23 countries and have completed projects in Europe, Asia, and North America.
What sets concept csi apart from other contractors?
Our combination of technical expertise, boutique-style service, and a 90% client retention rate ensures personalized, reliable solutions for complex projects.
How does concept csi ensure project safety?
We maintain an exemplary safety record through rigorous training, compliance with industry best practices, and continuous monitoring of all job sites.
