Historiek
1979 : Joseph M. Lebon - Start met Assero
1998 : Overname Callens
2000 : Overname Assudeva
2001 : Overnames Assutex | Courtin | SKV | Atelia West
2002 : AlliA Group (naamswijziging)
2003 : Overnames Le Jeune
2008 : Overnames FB Brokerage LU en Groep Viaene
2009 : Overnames Sciaci Belgium | Verspieren Belgium
2018 : Overname VHS
2019 : Overname Excel & C°
2020 : Overname Assumax
2021 : Overname Nuytten Verzekeringen
2022 : Overname Tassigny
2023 : Overnames Assur-Risques | Group Bastin | Petit & Lambert | Assurances Gaudin Ledieu
Overnames Mestria (CH) | HB Premium (CH) | Symphony Group (CH)