No, Hilti uses Amazon Web Services data centres in Ireland and Microsoft Azure data centres in the Netherlands.
If you want to know what is Unite Developer Hub is, please check: What is the Unite Developer Hub?
If you want to know what Unite is, please check: What is ON!Track Unite?
If you are interested in knowing where you can find technical details about ON!Track Unite, please check: Where can I find technical details about ON!Track Unite?
If you want to know how to connect ON!Track Unite with other software, please check: How can I connect ON!Track with other software, and what integrations are available? What if my software isn’t supported?