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.


  • Pilling

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

  • Sierra Gulf LLC

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

  • Power

    Construction of 4.5 km LYNX Conductor 33kV D/C tower line from Ambalangoda GSS to Magala Gantry.

  • Water, Drainage, Sewerage

    Supply & Laying of Distribution Pipes and Construction of Elevated Water Towers for Hambantota Water Supply Project

  • Sierra Myanmar

    Mobile Tower Implementation (ATM) Project

  • Pilling

    Construction and Completion of The Piling Work (board and Cast in-situ reinforced Concrete Piles) of District General Hospital At Hambantota.

  • Pilling

    Piling works for free Lank Capital Tower at Borella

  • Telecom Engineering and Construction

    Dialog Ericsson I & C Project

  • Sierra Gulf LLC

    DAS installation with Active Equipment.

  • Sierra Gulf LLC

    DAS installation with required civil works.

  • Pilling

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

  • Roads & Bridges

    Rehabilitation of A 029, Vavuniya - Horowpatana Road