As a well-established leader in the Northeast, Olsen Construction Services has developed a number of strong relationships with area companies to bring together the perfect mix of subcontractors and construction leadership to guide your project to success.


Our Mission

From Architects and Engineers to the Carpenters, Electricians, Plumbers, and other subcontractors who implement your design ideas, we successfully communicate with individuals on all levels. That ability, combined with our trusted relationships, allows for an extremely effective and efficient project realization. For projects either simple or complex, Olsen Construction Services will create a team that is just right for you.

Construction Managers and General Contractors

Our extensive experience bisects all aspects of construction. Since 1999, OCS is committed to delivering attention to detail and timeliness throughout New England. The leadership that OCS offers in all facets of construction management enables us to provide you with consistent and reliable results in meeting the challenges of your project.



Olsen Commercial Construction Services offers quality and cost effective construction with timely project management.

Working in conjunction with a company, we will determine the best procedure for reaching the company’s goals with the least amount of disruption to normal business.


Mission Critical

Olsen Construction Services will successfully support your company’s initiatives in the mission critical arena and can ensure that your company attains and maintains a high level of confidence. Over the past 20 years, we have worked on a large number of mission-critical projects throughout the country, responsible for Project Management, Critical Equipment Procurement and Testing & Commissioning of the sites.



Our special projects Residential Construction Division offers unique, custom homes and residential properties from single-family houses to large multi-story dwellings and private residential facilities. We take care to provide individual attention to each resident to give a personal touch to every unique home.

Committed to Quality

Our commitment brings about consistently reliable construction management, and yields superior client satisfaction. We honor this with:

·       Strict Adherence to Schedules

·       Cost Effectiveness

·       Clear Communication

·       Stellar Client Service

We dedicate every available resource to this commitment. These resources include the knowledge and expertise of the Olsen Construction Services’ staff, as well as that of our approved subcontractors which enables us to complete the project on time and within budget. As either Construction Manager or General Contractor, we will assist in developing a design team, or we will work with your existing Architect and Engineer to efficiently design and effectively construct your project. This commitment is our guarantee.