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Our Journey


In 1981, 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.

Within two decades, Sierra rose to become the market leader in telecommunication engineering with ninety percent market share. The boom in the construction industry opened up many opportunities for Sierra and the company has today evolved to great heights handling large construction projects relating to Water Supply & Sewerage, Power, Roads, Buildings, Irrigation and Pilling besides Civil & Telecommunication.

Acknowledged for its expertise, reliability and superior quality of work, both locally and internationally, Sierra is today a prominent player in General Engineering Construction in Sri Lanka. The company has also gained from opportunities offered in global markets, with businesses established in India, Maldives, Qatar, Saudi Arabia and Australia.

Our Success


From modest beginnings with just six individuals, Sierra today employs over 4,000 direct and indirect employees both here and abroad, including more than 300 engineers. The company takes pride in its highly motivated and talented workforce, the driving force behind its success.

Now in its third decade of operation, Sierra has picked up several awards and accolades along the way. It is an ISO accredited company. In furtherance of its corporate objectives Sierra is presently focused on implementing best practices of Corporate Governance and risk management practices within the company.

Awards & Certificates


Our Projects


  • TELECOM
    • Switching system
    • Transmission network
    • Fiber optic networks
    • Outside paint installation
    • Mobile network design & install
  • ROADS & BRIDGES
    • Design and Construction of roads
    • Paving of asphalt and DBST work
    • Design & Construction of Bridges
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  • ELECTRICAL
    • Construction of Grid station
    • Overhead and UG Transmission Network
    • Installation of HV & LV networks
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  • WATER
    • Construction of intakes
    • Treatment Plant
    • Tower and Underground reservoirs
    • Laying of transmission lines
    • Laying of distribution lines
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  • GENERAL CIVIL ENGINEERING
    • Design & Construction of Buildings
    • Construction of Multi story buildings
    • Hospitals
    • Offices
    • Condominium
    • Playgrounds & Stadiums
    • Showrooms
    • Irrigation cannels
    • Swimming pools
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  • PILING
    • Design & Construction of Piled Foundation
    • High Strain Dynamic Pile Testing (PDA)
    • Low Strain Pile Integrity Testing (PIT)
    • Board In-situ Piles
    • Ground improvement System
    • Load Tests
    • Sheet piling & shorting
    • Soil Mixing for ground improvement
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Today Sierra stands tall as a truly Sri Lankan company and acclaimed as a national asset. The company remains totally focused on its vision of being the preferred infrastructure development partner in the region, identified by its customers and partners as integral to their success.