New Hampshire’s Premier Construction Contractor

We believe in credibility, pride in your work, and quality service.

At Conneston Construction, we believe that construction is more than “on time and on budget” performance.  When hiring a professional to manage your construction project, you expect these services, but we offer much more.

When managing your project, we become your advocate, always keeping your best interests in mind, building not only your project, but long-term relationships as well.

If you are interested in what CCI can do for you, please contact us.

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Project Management

Assign a project manager to work continuously through all phases, balancing budget & design.


Establish and maintain a construction schedule, coordinating all construction and design activities so that work can be completed in a timely fashion.


Assist with design recommendations, including review of proposed construction materials, building and structural systems.


Prepare and monitor a detailed line-item budget for the project, drafting all subcontract agreements using AIA Document A401 and in-house purchase orders.

Competitively Bid

Competitively bid all trades with pre-qualified subcontractors and suppliers as plans are developed.


Own all phases of the work during the project; reporting on budget, schedule and quality control concerns at the weekly job meetings.

We're here to help you get started in the right direction with your project.


What makes CCI unique?


We value our relationships with our clients and work diligently to maintain these relationships. Our client base is made up of many repeat clients, some of whom have been doing business with us for over 25 years. Additionally, our loyal employees have on average been employed with us for more than 15 years.


Most of our superintendents have been with CCI for over 25 years, with many working their way up the ladder to their current position. CCI strives to promote from within and recognize the loyalty of our employees.


CCI has a positive reputation throughout the state of NH and many long-term relationships with leaders in their respective industries.


Completed Construction Projects


Qualified Employees

$ 480m

Revenue Billed


Years in Business

What our customers are saying about us

At Conneston Construction, customer satisfaction is our ultimate goal. See what CCI clients have to say about their projects.

Our Clients Come First

Since on-time and on-budget performance are an expectation when hiring a professional, how do you tell one company from the next? How do you decide which company to hire to manage your construction project?

We believe that values such as credibility, pride, responsiveness, service and quality are important in business relationships. We believe that your construction experience should be enjoyable as well as efficient.

At CCI, managing your project is our business, but earning your trust and respect is our objective.

Call us and get it done

When you hire us for construction services, you know you’re getting highly qualified professionals who have the expertise and experience to make sure your project is done properly.