San Marcos is a family-owned civil infrastructure company with over 20 years of experience delivering high-quality construction and engineering solutions across Sydney. Built on a foundation of trust, safety, and innovation, we pride ourselves on creating lasting partnerships with clients and stakeholders. Our team operates with the professionalism of a large firm while maintaining the approachable, family-first culture that sets us apart. From formwork to large-scale infrastructure works, we offer expert support throughout every stage of the project lifecycle. We are ISO-certified across quality, environmental, and health and safety management systems, ensuring every project meets the highest standards. With a strong focus on risk management and continuous improvement, we are committed to delivering outcomes that exceed expectations. Based in Sydney, we service a wide range of metropolitan areas, supporting civil and infrastructure projects of all sizes.