The present firm of Hamilton & Olsen Surveys Ltd. was incorporated in 1961, however the company’s roots go back to the turn of the century.
In 1904, Alfred Driscoll was commissioned as a Dominion Land Surveyor (D.L.S.) and in 1905 formed A. Driscoll & Co. located in Edmonton. Richard H. Knight (D.L.S.) joined Alfred Driscoll in 1906 to form Driscoll & Knight.
Reginald H. Cautley (D.L.S.) joined Driscoll & Knight a short time later to form the company Driscoll, Knight and Cautley.
When the Land Surveyors Act of Alberta was formed, Driscoll, Knight and Cautley became Alberta Land Surveyors (A.L.S.) as chartered members of the Alberta Land Surveyors Association.
In 1943 Oluff Inkster (D.L.S., A.L.S.) joined in to form Driscoll, Knight, Cautley & Inkster.
In 1949 Geoff C. Hamilton (A.LS.) and Edward K. Phillips (D.L.S) partnered to form Phillips, Hamilton & Associates.