Engineering Quality.
Building Trust.

DiLsi Construction & Engineering is a premium Grade C-9 accredited civil contractor. We design, engineer, and build structural developments that deliver lasting value.

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CIDAGrade C-9 ACCREDITATION

Who We AreGrade C-9

Accredited Standards & Professional Execution

DiLsi Construction and Engineering is a CIDA registered construction firm in Sri Lanka, committed to delivering reliable, high-quality, and cost effective construction solutions for both the public and private sectors. As a registered contractor, we operate in accordance with the standards and regulations established by CIDA, ensuring professionalism, quality, and compliance in every project we undertake.

At DiLsi Construction and Engineering, we believe that trust, integrity, safety, and customer satisfaction are the foundations of successful construction. Our experienced team works closely with clients, consultants, and stakeholders to deliver projects that meet the highest standards of quality while remaining within budget and schedule.

10+Projects Done

5+Years Active

100%Compliance

Core Principles

Our Professional Pillars

Every design we construct, foundation we lay, and relationship we build rests upon these foundational commitments.

Experienced Team

Our team of certified Sri Lankan engineers, quantity surveyors, and project managers coordinate closely to deliver high-precision structural integrity and complex engineering execution.

Quality & Safety

Adhering strictly to CIDA guidelines, we conduct comprehensive quality checks and safety drills to guarantee structural longevity and secure, incident-free workspaces.

Reliable Delivery

Utilizing advanced construction logistics and tracking tools, we ensure all projects are handed over on schedule and precisely within budget across Sri Lanka.

Our Team