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.


  • Power

    Kotugoda 220kV Grid Substation

  • Telecom Engineering and Construction

    Alcatel - Etisalat Tower Project Stage II

  • Water, Drainage, Sewerage

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

  • Pilling

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

  • Pilling

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

  • Sierra Myanmar

    Power Comprehensive Operation & Maintenance Project IGT Towers

  • Roads & Bridges

    Rehabilitation of A 029, Vavuniya - Horowpatana Road

  • Pilling

    Contract for the Piling Works of proposed ‘Vidulakpaya’ Project for Ceylon Electricity Board.

  • Civil

    Construction of Fairfield Residencies at Borrella

  • Water, Drainage, Sewerage

    Construction of Mahara and Biyagama water Supply schemes

  • Water, Drainage, Sewerage

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

  • Power

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