About Sierra

In 1981, with the dawn of the open economy, six enterprising individuals teamed up to form what was to become one of Sri Lanka’s best known enterprises.

Sierra Construction Limited was incorporated to venture into the fields of Civil and Telecommunication Engineering, sectors that were hitherto solely dominated by foreign companies or by companies with foreign collaborations.



To be the preferred infrastructure development partner in the region.


» Exceptional performance in all aspects
  of our industry.

» Outstanding customer service.
» Unparalleled value.


  • Telecom Engineering and Construction

    Dialog Television Earth Station & Dialog Axiata International Data Center

  • Pilling

    Piling Work for proposed eight storied Epilepsy Unit at National Hospital Sri Lanka, Colombo 08

  • Sierra Gulf LLC

    Qatar National Convention Center - 4 Floors– 485 Antennas

  • Power

    Colombo City Electricity Distribution Development Project - Package A (CCEDDP) – Kelanitissa

  • Power

    Construction of 33kV Lynx Conductor Four Circuit (12 phases) Single Earth 5.5 km Tower Line from Hambantota Grid Substation to Hambantota Port.

  • Civil

    Development of Commercial Center at Bandarawela

  • Power

    Colombo City Electricity Distribution Development Project - Package D (CCEDDP) – Havelocktown

  • Sierra Global Network

    Infrastructure manage services at Radio base station and switches

  • Power

    Greater Colombo Grid Substation Project Lot A

  • Civil

    Construction of Regional Office & Branch Building for Hatton National Bank at Negombo

  • Telecom Engineering and Construction

    Unit Rate Project

  • Sierra Gulf LLC

    FO Installation & Maintenance for Ooreedoo Infrastructure