• Data reference period (Month)
• Geographic localization (Portugal)

• ENTERPRISE:  Legal entity (natural or legal person) that is an organisational unit producing goods or services, which benefits from a certain degree of autonomy in decision-making, especially for the allocation of its current resources. An enterprise carries out one or more activities at one or more locations.
• REFERENCE PERIOD:  The length of time for which data are collected, e.g. a specific day, month or year.

Services Confidence Indicator  is calculated according to the methodology of the EC - DG ECFIN, and corresponds to the arithmetic mean of the balances of the following questions:
- How has your business situation developed over the past 3 months? It has… 1. + improved; 2. = remained unchanged; 3. -  deteriorated.
- How has demand (turnover) for your company´s services changed over the past 3 months? It has… 1. + increased; 2. = remained unchanged; 3. -  decreased.
- How do you expect the demand (turnover) for your company´s services to change over the next 3 months? It will… 1. + increase; 2. = remain unchanged; 3. − decrease.