- S.E.C.
- Saldo Primario
- Saldo Strutturale
- Saldo Tendenziale
- Sales
- Sales folder
- Sales force
- Sales management
- Sales orientation
- Sales promotion
- Sales test
- Salesman
- Sample
- Sampling
- Sbu
- Scadenza
- Scala Aritmetica
- Scala Logaritmica
- Scalping
- Scarto di Emissione
- Scenario Approach
- Scheduling
- Scopo sociale
- Screening
- SEAQ
- SEC
- Secondary Offering
- Securization
- Segmento Covered Warrant
- Self-liquidating offer (self-liquidating promotion)