Founded in 2023 by Diego Sanfiorenzo | New York, NY

At CONTREXCO, we are more than project managers, we are the owner’s advocate from concept to completion.

Our mission is simple: Deliver projects with complete transparency, accountability, and clarity at every stage.

We believe that construction projects succeed when owners are fully informed, every decision is clear, and no one is left guessing.
That’s why we stay engaged, vocal, and hands-on, keeping all parties aligned and ensuring there are no surprises along the way.

As your Owner’s Representative, we guide projects from initial planning through execution and closeout, always prioritizing your interests and investment.

What We Stand For

• Transparency: You always know what’s happening, why decisions are made, and how every dollar is spent.
• Honesty: No hidden agendas, no sugarcoating, we communicate openly and directly.
• Alignment: Architects, contractors, and consultants are coordinated so everyone is on the same page.
• Engagement: We are actively involved, providing guidance in-person, virtually, or whenever needed.
• Accountability: We ensure the project team is responsible for quality, cost, and schedule at all times.

Our goal is simple: Deliver your project efficiently, on budget, and on schedule, while protecting your investment and giving you complete peace of mind.