Originally, C W Henstock & Associates Pty Ltd was established as a Consulting Engineering Practice in April 1988 in the fields of Civil, Structural, Coastal & Maritime Engineering by Maritime Engineer Colin Wayne Henstock. Within these fields of engineering, the Organisation provided services in investigation, planning, concept design, design and documentation, site supervision, contract administration and project management for clients in the residential, commercial, local government, State Government and Federal Government areas.

JHK & Associates Pty Ltd has recently acquired the use of the name C W Henstock & Associates. The Company has a linear structure, with the Principal Engineer, Mr. Pira Myooran, undertaking the overall management role of the Organisation, the review of all design work carried out within the office, the implementation of quality assurance, and the development and implementation of the Company's policy of the provision of high quality sound engineering services.