In order to complete its offer, Castelis decided in 2004 to buy ILX Consulting, an infrastructure specialist, which became the Cloud Business Unit of Castelis, and then in 2014 Access it, a Microsoft pure player, in Villeneuve d’Ascq.
In 2014, the group continues its growth and expands with the birth of a new company: Treez Data Management, Data specialist, located in the Lille region. The following year, he created Sudalis, a web agency specialized in custom development, located in Toulouse.
Then in 2018, he extends his expertise with the purchase of Yoozly, a web agency based in the Lille area.
2018 is also the year of expansion of the company in Asia with the investment in LiveWell Solutions Ltd and soon after a partnership with SourceWell Global Inc. in the Philippines that eventually led to the creation of Castelis Asia Inc. in November 2020 in Manila.
In 2020, the agency Ylly, a specialist in Customer Experience topics, joins the group, in its Parisian offices.
Finally, in 2022, the Castelis group will become hunik group and will be enriched with new expertise with a 7th company: Everbrand, an agency specialized in brand development.