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 Broadband Project Stage V

  • Sierra Gulf LLC

    Underground Infrastructure Expansion and Maintenance (Civil Work ) for Ooredoo FO Network

  • Civil

    Development of Commercial Center at Bandarawela

  • Civil

    Construction of Fairfield Residencies at Borrella

  • Power

    Construction of 132kV transmission line from Kelaniya to Sapugaskanda – Package D (KKSTL)

  • Sierra Gulf LLC

    ASAS Twin Towers – 257 Antennas

  • Pilling

    Piling works for free Lank Capital Tower at Borella

  • Telecom Engineering and Construction

    Dialog Television Earth Station & Dialog Axiata International Data Center

  • Pilling

    Pre-Cast Pile driving work at Colombo – Katunayake Express way

  • Pilling

    Piling Works for Construction of 792 Housing Units (phase I, Stage Ii) at Salamulla – Kolonnawa (block B & C)

  • Water, Drainage, Sewerage

    Construction of civil, mechanical and electrical works for Thirukkovil water supply scheme