Ventanas Santos S.L. is a specialized manufacturer and installer of high-quality aluminium and PVC windows, doors, and architectural metalwork based in El Astillero, Cantabria, Spain. With over 30 years of industry experience, the company designs, fabricates and supplies tailored solutions for both residential and commercial projects, including casement and sliding windows, doors, verandas, barandillas (railings) and bespoke enclosure systems.

Ventanas Santos works directly with private clients, construction firms, property developers, and architects from project initiation through final installation, offering personalized service, professional assembly, and innovative materials that focus on thermal and acoustic performance, comfort and modern design.