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Founded in 1996 and headquartered in sunny Naples, Florida, DeAngelis Diamond has become an innovative award-winning construction management firm and a nationally recognized leader in the construction industry. 

In our first 25 years, we have grown rapidly from a highly successful regional construction management company to a nationally known and well-respected innovative leader in the industry with a highly diverse project portfolio. Today, DeAngelis Diamond has completed over 4 billion dollars of construction projects, is a top-ranked company in the United States, licensed in 33 states, with an international presence in the Caribbean Islands, and has fully staffed offices in Naples, Fort Myers, Sarasota, Orlando, Birmingham, Nashville, and Detroit. 

As an innovative and award-winning national construction management firm, DeAngelis Diamond has received numerous Builder of the Year Awards, Best Places to Work, Sand Dollar, Summit, Pinnacle Awards, and ranked on ENR's Top 400 Contractors and Inc. 5000 Fastest-Growing Private Companies in America list.

Why we do what we do is defined in our Mission Statement.

To develop authentic relationships and have a positive influence on everyone we meet.

These are our core beliefs. They define who we are. Everyday they help guide all of our decisions, conduct, vision and strategy.

Faith in God

DeAngelis Diamond was founded on Christian values and biblical principles. These principles and values such as honor, integrity, trust, humility, respect, love, and treating others as we desire to be treated guide our decisions and actions and are vital to our business health and success.

Lasting relationships

We are committed to building lasting relationships that will have a positive influence on our clients, team members, subcontractors, community and industry.


Everything rises and falls on Leadership and everyone at DD is a leader. Leadership is influence not position. We will develop effective leaders that are influential to the success of the organization while adhering to our core values and principles.


Everyone at DD should be honest, fair and reliable, having the courage to do what is right in all situations. It is our responsibility to achieve our clients’ goals with the highest levels of integrity.

Honor to build

Our Company Motto is “The Honor to Build.” It is an Honor to be involved in a worthy profession for which we have a love and passion. We consider it an Honor that our clients entrust us to accomplish a great task on their behalf. We are therefore, committed to achieving their goals while making their experience enjoyable and successful.

Excellence and quality

DD will produce excellent buildings with the highest levels of quality. We will use all available resources including our relationships, talents, technology, and leadership to excel in our processes and final products. Not only should our final products be of the highest quality but the process that gets us there should also be one that people can enjoy. True quality and excellence is achieved when our clients can say that it was a great experience and they would hire us again.

Healthy environment and culture

Our team members are our most significant asset. The environment and culture of our workplace will motivate, encourage and promote our people and their talents. We want our people to feel this is the greatest work experience they can have. We recognize that career and family life should be in balance. In this spirit and in accordance to our values and principles our culture will develop and encourage healthy families.