About GR4
We work closely with architects, engineers, and clients to make sure each project meets real needs, paying attention to every detail and maintaining our commitment to environmental responsibility and construction innovation.
Efficient and high-quality construction
Our team oversees the entire construction process, from planning to completion, with the goal of delivering functional, comfortable buildings tailored to each client’s needs.
Renovation and maintenance
We carry out full-scale refurbishments and preventive maintenance to extend the lifespan of buildings, combining technical precision, care, and respect for architectural heritage.
Financial management and client commitment
Our commitment goes beyond execution: we accompany the client at every step, providing reliability, trust, and the assurance that the final result will exceed expectations.
Your project, our experience
We stay involved from the first step to final delivery, taking care of every detail and applying our expertise to achieve results that combine technical precision, beauty, and efficiency.
TEAM
JORDI VIÑAS TERRONES
Architect – Co-founder


