Cellar Work Contractors

Onyx Engineering – ISO 9001 & ISO 45001 Certified Building Demolition Contractors Since 2009
Onyx Engineering is a trusted leader in industrial, commercial, residential, and building demolition, proudly serving clients since 2009.As an ISO 9001 and ISO 45001 certified contractor, we are committed to delivering safe, efficient, and high-quality demolition solutions across diverse sectors. Our unwavering focus on excellence, safety, and sustainability has established us as a preferred partner for projects of all sizes and complexities.
Onyx Engineering is a reputed Cellar Work Contractor, specializing in the excavation, construction, and waterproofing of cellars and basements for residential, commercial, and industrial projects. Our expertise covers earthwork excavation, retaining wall construction, PCC/RCC works, waterproofing, and drainage systems, ensuring long-term durability and safety. We execute all cellar works using modern machinery, skilled manpower, and strict quality and safety protocols. Backed by ISO 9001 & ISO 45001 certifications, Onyx Engineering delivers technically sound, leak-proof, and cost-effective cellar construction solutions that meet client specifications and engineering standards.