| Historical development of ZEAL | |
| Founded | 1999 |
| Profitable since | 2001 |
| Launch in Spain | 2002 |
| Launch in Italy | 2004 |
| IPO (Frankfurt Stock Exchange, Prime Standard) | 2005 |
| Launch in UK | 2007 |
| Admission to the SDAX | 2009 |
| Change in Legal form to a European public company | 2009 |
| Spin-off of Lotto24 | 2012 |
| Relocation of Tipp24 to UK | 2014 |
| Renaming ZEAL | 2014 |
| Exclusion from SDAX | 2017 |

