Who we are

K D A Weerasinghe & Company (Pvt) Ltd (KDAW) is one of the leading Construction Companies in Sri Lanka with highest grading CS2. Specialized in Highways, Bridge construction and Water Supply projects, KDAW has made a significant contribution to the Country’s infrastructure Development for the past 25 Years.

The Company today has grown to become a trusted civil engineering solutions provider which is fully mobilized in 6 out the 9 Provinces of the country with enough experience to undertake any Road, Highway or Water Supply Project of any scale in Sri Lanka. Some of the iconic and major construction projects include construction of part of the Southern Expressway, Galle Fort internal roads and Aprons and Taxi ways of both the Rathmalana and Bandaranaiyake International Airports’.

With employee strength of over 3500 and a fleet of plant and machinery exceeding 500 units spread across the island, KDAW is equipped with the knowledge and expertise to execute all kinds of challenging construction projects.

Being an ISO 9001:2008 QMS certified company; KDAW ensures that Quality is maintained at the highest level in all departments of the company. In addition KDAW recently obtained ISO 14001 EMS and ISO 18001 OHSAS systems certifications.

Completing a project with the highest quality, within the time frame and being a socially and environmentally responsible organization in the country is what governs KDAW’s sustainability.

Company History

The Company was founded by Mr. K.D.A.Weerasinghe in 1987 and was incorporated as a limited liability company in 1991. Although the company started off at a relatively small scale, it is now one of the largest construction companies in the country with Grade CS2 certification awarded by the CIDA.

our accreditation

ISO 9001:2008 Quality Management System (QMS) certified

ISO 14001:2004 Environmental Management System (EMS) certified

ISO 18001:2004 Occupational Health & Safety System (OHSAS) certified