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.


  • Sierra Gulf LLC

    ASAS Twin Towers – 257 Antennas

  • Sierra Myanmar

    Phase 2 -Route 8 – Backbone (Mirait) Project

  • Civil

    Construction of Advanced Cardiac Center for Sri Jayawardhanapura General hospital

  • Civil

    Lake Gregory Improvement in Nuwara Eliya

  • Civil

    Construction of Courts complex in Jaffna

  • Pilling

    Balance Work of Bridge at Kandakadu on Seruwawila Somawathiya Road

  • Water, Drainage, Sewerage

    Kalu Ganga Water Supply Project (KGWSP) Phase 1 Stage 2

  • Roads & Bridges

    Improvement and Asphalt over Laying on Kandy Mahiyangana Padiyathalawa Road

  • Sierra Myanmar

    Power Comprehensive Operation & Maintenance Project IGT Towers

  • Sierra Gulf LLC

    DAS installation with Active Equipment.

  • Sierra Gulf LLC

    George Town University – 81 Antennas

  • Power

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