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

    George Town University – 81 Antennas

  • Water, Drainage, Sewerage

    Construction of civil, mechanical And electrical works for Rehabilitation and augmentation of Tangalle water supply scheme.

  • Power

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

  • Telecom Engineering and Construction

    OSP Network Expansion project in Metro , Region I & II

  • Civil

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

  • Sierra Myanmar

    Phase 2 -Route 8 – Backbone (Mirait) Project

  • Telecom Engineering and Construction

    OSP Network Expansion project in SSC area of Matara and Panadura

  • Power

    Construction of 230V/60 kW Hybrid Distributed Energy System in Eluvaithivu Island

  • Pilling

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