A services company is a company tertiary sector. Thus the purpose of it is to bring an added-value to a product or to ensure a necessary work a company or a private individual.

For example, in the field Informatique one finds software firm (Services companies in data-processing engineering)

This type of company is present in all the fields, one can classify them as follows:

• Conseil Appraises
• Contrôle
• Formation
• Fourniture of material
• Fourniture of personnel
• Logistique
• Maintenance