- Updated:16/09/2026
- Country/Territory:Belgium
- Headquarters:Brussels
- Industry:Wholesalers: Other
- CEO:Francis Deprez
- Website:https://www.dieterengroup.com/
- Ticker:SIETY
- Company type:Public
- Revenues ($M):$9,061
- Profits ($M):$479
- Market value ($M):$10,914
- Number of employees:50,464
Figures prepared in accordance with International Accounting Standards. Market Value as of Aug. 31, 2026. Sources: Regulatory filings; S&P Global.