Onyx Engineering & Contracting delivers premium construction services, waterproofing solutions, and expert engineering consultation — built on precision, quality, and integrity.
Onyx Engineering & Contracting (Pvt) Ltd is a premier construction services company based in Colombo, Sri Lanka. We specialize in high-quality construction products and comprehensive contracting services that stand the test of time.
Our team of experienced chartered architects and structural engineers brings unmatched expertise to every project — from residential renovations to large-scale commercial construction.
End-to-end engineering solutions for residential and commercial projects — from waterproofing to full construction management.
We supply and install a comprehensive range of high-quality construction products from globally trusted brands — everything your project needs, in one place.
Every project we take on is treated with the same care and precision — whether it's a single room renovation or a full commercial build.
Our chartered architects and structural engineers handle every phase internally — no outsourcing, no guesswork.
We source only the highest quality construction chemicals, tools, and materials from trusted global suppliers.
We optimize every design for both aesthetic excellence and cost-effectiveness — delivering maximum value on every build.
From consultation and product supply to installation and project management — we're your single point of contact.
Ready to start your project? Get in touch with our team for a free consultation and quote. We respond within 24 hours.