It seems there are many global companies as customers using Yubico’s products.

Btw. Yubico moved to the Stockholm main list today.
Trading in Yubico shares on Nasdaq Stockholm begins today
“Today marks an important milestone for Yubico as we take the step to join Nasdaq Stockholm’s main market. When we announced our plans to go public in 2023, we also shared our goal to make this transition. It is gratifying that we have now achieved this goal and look forward to continuing our journey as a leader in secure authentication and creating value for our shareholders and customers worldwide,” says Mattias Danielsson, CEO."
https://mfn.se/a/yubico/trading-in-yubicos-shares-on-nasdaq-stockholm-commences-today