Consultant

A consultant (from Latin: consultare “to discuss”) is a professional who provides professional or expert advice[1] in a particular area such as security (electronic or physical), management, education, accountancy, law, human resources, marketing (and public relations), finance, engineering, science or any of many other specialized fields.

A consultant is usually an expert or a professional in a specific field and has a wide knowledge of the subject matter.[2] The role of consultant outside the medical sphere (where the term is used specifically for a grade of doctor) can fall under one of two general categories:

  • Internal consultant – someone who operates within an organization but is available to be consulted on areas of specialism by other departments or individuals (acting as clients); or
  • External consultant – someone who is employed externally (either by a firm or some other agency) whose expertise is provided on a temporary basis, usually for a fee. As such this type of consultant generally engages with multiple and changing clients.

The overall impact of a consultant is that clients have access to deeper levels of expertise than would be feasible for them to retain in-house, and may purchase only as much service from the outside consultant as desired.

[1] “Consultant | Define Consultant at Dictionary.com”. Dictionary.reference.com. 2004-03-09. Retrieved 2014-07-20.
[2] Pieter P. Tordoir (1995). The professional knowledge economy: the management and integration services in business organizations. p.140.

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