ROSEKU ENGINEERING CONSULTANTS (REC) PVT LTD. was established on 11th January 2011 at No.10, Sudarman Mawatha, Mirihana, Sri Lanka under registration No. PV 75792. Currently the operating office is situated at No.26-11A, Wimalawaththa Rd, 2nd Lane, Nugegoda, Sri Lanka. 

The company was formed for the purpose of providing consultancy services for design and project management of buildings, water retaining structures. Later the services were spreaded on Water supply and sanitation, Irrigation, Electrical, Mechanical etc.

Roseku Engineering (Pvt)Ltd is a recognized and accepted institution by the Institution of Engineers Sri Lanka (IESL). The company is authorized for training graduate Engineers for their professional review examinations to become a chartered Engineer. Up to now many Engineers have been trained by the company, under the guidance of the Principal Structural Engineer R.S.K. Thrimavithana.

Eng.R.S.K. Thrimavithana, the founder of the company is the Managing Director and the Principal Structural Engineer of the company. His experience in different fields in the Civil and Structural Engineering area have been contributed for the success of the company.

The board of directors in the company having different areas of specialization such as, Civil, Structural, Water supply, sanitation, Electrical, Mechanical, Project management, Contract administration etc.