Both of them are non-employees of an organization and both work on the basis of contract terms.
Some companies have employees of the company act as internal consultants and they provide cross-team advice.
An information systems or project management consultant is also referred as just a consultant who manages constraints such as budget and resources agreed with the client.
An external consultant, on the other hand is normally fulfilling a non-employee role that usually exists within the organization and is helping to bridge a gap caused by staffing shortages, skills and expertise.
Consultants provide their advice to their clients in a variety of forms. However, in some specialized fields, the consultant may develop customized software or other products for the client.
Depending on the nature of the consulting services and the wishes of the client, the advice from the consultant may be made public, by placing the report or presentation online, or the advice may be kept confidential, and only given to the senior executives of the organization paying for the consulting services The range of areas of expertise covered by the term "consultant" is wide.The main selection principles are high quality services; economy and efficiency; encouragement of development and use of national consultants from member countries; and transparency in the selection process.There are no country eligibility restrictions on the selection and hiring of consultants, subject to prohibition by a decision of the United Nations Security Council taken under Chapter VII of the Charter of the United Nations.However the principal difference between a consultant and a temp is generally one of direction.A consultant or temp is engaged to fulfill a brief in terms of helping to find solutions to specific issues but the ways in which that is to be done generally falls to the consultant to decide.They are directed by the normal management structure of the organization.There is, however, a hybrid form where a consultant may be hired as an interim manager or executive, bringing a combination of specialist expertise to bear on a role that is temporarily vacant (usually at a senior level).in a particular area such as security (electronic or physical), management, education, accountancy, law, human resources, marketing (and public relations), finance, health care, engineering, science or any of many other specialized fields.A consultant is usually an expert or an experienced professional in a specific field and has a wide knowledge of the subject matter.Elva helps you as a customer to support your growth. Our consultants can transfer from one project to the next project with the same client if we are convinced of the win-win situation, in other words if our consultant is also the right match for your next assignment.Elva specializes in project-based consultancy assignments. In the development of a new product, we always start from innovative ideas.