Business Details
26 Years
experience
Trusted Construction Management & Contracting Services in Berlin, CT
Founded in 2000 by Robert OLSEN, OLSEN has grown into a trusted leader in construction management, general contracting, and design-build services. With over $900 million in completed projects, our team combines decades of experience with innovative methods to deliver precision, safety, and client-focused results. We serve Fortune 100 companies, healthcare institutions, and community-driven developments, prioritizing transparent communication and strategic partnerships. Our OSHA 30-certified staff and .93 modification rate reflect our commitment to safety excellence.Guided by values of integrity and collaboration, we build more than structureswe create lasting value for clients, communities, and employees. Recognized as a 2025 Best Places to Work winner, OLSEN remains dedicated to advancing industry standards while fostering a diverse, inclusive workplace.
Services
Construction Management
General Contracting
Design-Build
Mission-Critical Projects
Healthcare Construction
Higher Education Facilities
Commercial Renovations
Infrastructure Development
Details
- Year established: 2000
Highlights and features
- We offer over 30 years of construction management expertise across $900M+ in projects.
- Our OSHA 30-certified team maintains a .93 modification rate for safety excellence.
- Proven success managing projects ranging from $250K to $50M with transparent communication.
- Client-focused approach integrates design and construction for faster, smarter solutions.
- Recognized as a 2025 Best Places to Work winner with a collaborative, innovative culture.
Services
Construction Management
OLSEN provides proactive construction management, guiding projects from preconstruction to completion. We develop Guaranteed Maximum Prices through transparent budgeting and manage subcontractors to ensure timely, cost-effective delivery. Our OSHA 30-certified team prioritizes safety and precision, serving commercial, healthcare, and infrastructure sectors with data-driven solutions.
General Contracting
Our general contracting services combine competitive pricing with trusted subcontractor partnerships. We oversee site safety, procurement, and field operations, ensuring adherence to timelines and budgets. With expertise in commercial renovations and critical infrastructure, OLSEN delivers reliable, high-quality results for clients across industries.
Design-Build
OLSENs design-build service merges design and construction into a seamless process. Partnering with top firms, we align client visions with practical execution, leveraging technology for faster timelines. This approach reduces risks and costs while delivering tailored solutions for healthcare, education, and corporate clients.
People
Robert Olsen
Founder
Robert OLSEN founded OLSEN in 2000, bringing 30+ years of leadership in large-scale construction projects. His expertise in mission-critical applications and resource management established industry standards. Roberts vision drives OLSENs commitment to innovation and excellence.
Nick Olsen
President
Nick OLSEN leads OLSEN with a focus on strategic growth and client relationships. A graduate of Endicott College, he leverages lifelong industry experience to foster collaboration and results-driven performance, embodying the 'Lets Get Going' mantra.
Frank Maruca
Executive Vice President
Frank Maruca manages projects from $1M to $36M, aligning client needs with innovative execution. A Central Connecticut State University graduate, he ensures successful outcomes through clear communication and expertise in renovation and large-scale initiatives.
David Cotton
Vice President, Specialty Projects
David Cotton leads IT integration and mission-critical projects, drawing on Harvard-certified strategy and Brandeis University education. His problem-solving skills drive efficiency and innovation for financial services and infrastructure clients.
Brett Carenzo
Project Executive
Brett Carenzo specializes in commercial construction with OSHA 30 certification and Associate Constructor credentials. His focus on estimating, procurement, and safety ensures precise delivery of projects ranging from $250K to $50M.
Questions
What services does OLSEN offer?
OLSEN provides construction management, general contracting, and design-build services, specializing in commercial, healthcare, and infrastructure projects with transparent communication and safety-focused execution.
Is OLSEN experienced in large-scale projects?
Yes, OLSEN has completed over $900M in projects, including $50M healthcare facilities and mission-critical infrastructure, with expertise in managing budgets and timelines for complex initiatives.
How does OLSEN ensure project safety?
Our OSHA 30-certified team maintains a .93 modification rate through customized safety plans, hazard identification, and comprehensive training, ensuring secure environments for all stakeholders.
What industries does OLSEN serve?
OLSEN serves healthcare, higher education, life sciences, and corporate clients, delivering tailored solutions for critical infrastructure, renovations, and new construction projects nationwide.
