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Welcome to SISL

The Surveyors’ Institute of Sri Lanka is the National Professional Body of the Surveying Profession.  It is a Founder Member of the Commonwealth Association of Surveying & Land Economy (CASLE) and the Organisation of Professional Associations (OPA).  It is also a Member of the International Federation of Surveyors (FIG). The Institute was incorporated by the Parliament Act No. 22 of 1982 (Surveyors’ Institute Sri Lanka (Incorporation) Act).Vision & Mission


To be the recognized professional body and centre of excellence in all disciplines of spatial science embodied within the profession of surveying, with a strong membership committed to the sustainable development of Sri Lanka.


To ensure

  • the importance of the surveying profession, its high levels of creative expertise, integrity and professionalism.
  • high standards in the practice of surveyors in capturing and the use of spatial information
  • the profession fulfills its key role in the social and economic development of the country