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 Global Network

    Infrastructure manage services at Radio base station and switches

  • Pilling

    PIT & PDA for Pile test

  • Civil

    Development of Commercial Center at Bandarawela

  • Power

    Greater Colombo Grid Substation Project Lot A

  • Telecom Engineering and Construction

    Dialog Broadband Project From Colombo to Kandy, Ambepussa to Kurunegala, Kurunegela to Kandy

  • Civil

    Construction of Fairfield Residencies at Borrella

  • Sierra Gulf LLC

    IBS Implementation for Qatar Telecom

  • Sierra Gulf LLC

    FO Installation and Commissioning.

  • Civil

    Construction of the Grand Stand and infrastructure facilities in Rangiri Dambulla International Cricket Stadium at Dambulla.

  • Roads & Bridges

    Rehabilitation of A 029, Vavuniya - Horowpatana Road

  • Sierra Myanmar

    Phase 3_Route 8 – Tamu – India Border International Gateway Fiber (Mirait) Project

  • Sierra Gulf LLC

    Telecom Equipment installation for IBS and Outdoor sites.