ɪn tˈuː θˈaʊzənd ɪlˈɛvən, mˈæmʌt wʌz ɐkwˈaɪɚd baɪ vˈɪsmə, ðɪ ɐkwɪsˈɪʃən ɹɪzˈʌltᵻd ɪn ˈæktɪv twˈɛnti fˈoːɹ bᵻkˈʌmɪŋ ɐ stˈændɐlˌoʊn dᵻvˈɪʒən wɪðˌɪn ðə vˈɪsmə ɡɹˈuːp.
In 2011, Mamut was acquired by Visma, the acquisition resulted in Active 24 becoming a standalone division within the Visma group.