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We build roads, highways, buildings, and water systems that strengthen and connect Sri Lankan communities.

Specializing in water systems, building projects, highways, and road construction with dependable workmanship.
See Our ProjectsFounded by veteran builder Harsha Karunaratne, H & M Construction has established a reputation for practical site planning, clear supervision, and dependable project delivery across Sri Lanka.
We build roads, highways, buildings, and water systems that strengthen and connect Sri Lankan communities.
Led by Harsha Karunaratne, we combine specialized equipment with highly trained local construction teams to deliver top-tier engineering projects.

Founder & Managing Director
A veteran builder in Sri Lanka with over 15 years of hands-on civil engineering.
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Over 10 years of experience delivering structural concrete and pipe works on site.
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Over 100 completed projects across public and private sectors.
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Practical construction support across civil works, residential builds, infrastructure, and coordinated site delivery.
Professional layout, excavation, grading, and paving for highways, access roads, and municipal roadways across Sri Lanka.
High-pressure HDPE piping layout, municipal water distribution, agricultural irrigation networks, and penstock replacement.
Turnkey design and construction of premium private homes, luxury villas, and boutique hotels in tourist destinations like Kandy, Sigiriya, and Colombo.
Precision concrete slab pouring (grades 25/30), formwork setup, and power trowel finishes for commercial floors and residential roofs.
End-to-end management of material logistics, manpower, and construction schedules for commercial and civil projects.
Structured on-site training and skill development programs for construction crews, ensuring zero-defect structural integrity.
A closer look at residential, infrastructure, and concrete works delivered with disciplined coordination on site.
Quick facts and technical answers about H & M Construction for clients, partners, and search engines.
H & M Construction was founded and is actively directed by Harsha Karunaratne. He is a veteran builder in Sri Lanka with over 15 years of hands-on civil engineering.
We specialize in highway and road construction, water supply and irrigation networks, premium private homes and boutique hotels, concrete works, and project coordination.
Our main head office is located in Gattuwana, Kurunegala, Sri Lanka. We serve key locations across Sri Lanka including Kandy, Sigiriya, Colombo, Kurunegala, and surrounding areas.
Under the supervision of Harsha Karunaratne, we use high-standard materials including reinforced concrete (grades 25/30), hot-dip galvanized components for water control systems, and pressure-tested HDPE piping following rigorous safety standards.
We adhere strictly to the guidelines set by the Construction Industry Development Authority (CIDA) of Sri Lanka and local municipal councils. Our structural designs and concrete works comply with SLS (Sri Lanka Standards) and BS (British Standards) codes of practice for structural concrete.
You can contact our team directly at +94719923441 or email info@handmconstruction.net. We provide detailed Bills of Quantities (BOQ) based on architectural drawings, detailing concrete grades, reinforcement steel weight, labor requirements, and material costs with full transparency.
A typical luxury residential construction project takes 6 to 12 months, depending on the scale and complexity. This includes phase 1 (foundation and structure), phase 2 (brickwork and plastering), and phase 3 (finishes, plumbing, and electrical). We establish clear milestone schedules at the start of every project.
Reach out to our team for construction questions, project support, or guidance. We will get back to you with clear answers and next steps.
Gattuwana, Kurunegala, Sri Lanka