In their Privacy Policy [1], Section 8:

> Office.EU is a service offered and operated by EUfforic Europe BV, registered with the Dutch chamber of commerce under registration number 98746243 and having its address at Dr. Kuyperstraat 10-A at (2514 BB) The Hague, the Netherlands.

[1]: Link to PDF, no HTML version: https://hel1.your-objectstorage.com/officeeuaa001/officeeu-p...