GSM is your trusted partner for private residential and hospitality construction projects in Costa Rica. With a focus on transparency, accountability, and international standards, we make sure your project is a success.
At GSM, we provide independent oversight, structured project management, and strong local expertise to protect our clients’ investments and guide projects from planning to final delivery.
We work closely with owners, architects, and contractors to maintain clarity, accountability, and consistent progress throughout the process. Our goal is to build long-term relationships based on trust, professionalism, and reliable results.

The GSM team brings extensive experience in private residential and hospitality construction. We manage projects from planning and design coordination through construction and final delivery.
Owner and Project Manager
I help foreign homeowners build private homes in Costa Rica while living abroad. As their local representative, I manage costs, schedules, and contractors to keep the project organized and on track.