20 years of high-quality delivery


Olsen Construction Services is a leading General Contractor service, based in the Greater Hartford area, serving clients throughout the eastern seaboard to meet their commercial construction needs. Our team of prequalified subcontractors, architects and engineering professionals are adept at delivering high-quality construction projects across a broad range of industries.


general contracting

Whether you are looking for a partner to develop Class-A office space, retail, data center/critical facilities, senior living or other commercial construction projects, OCS establishes a teamwork environment and maintains appropriate performance standards for sub-contractors and suppliers while providing attention to project schedules and budgets.


Project Leadership

The leadership that OCS brings in these facets of construction management enables us to guide you through the process from groundbreaking to ribbon cutting.