Get in Touch
We're here to help—reach out with any questions or feedback.
Have a question? Send us an email.
hello@protostar.ai
Phone
Prefer to chat? Give us a call.
+385 99 232 1648
Offices
Stop by one of our offices.
Ribarska ul. 4, Osijek, Croatia
Get Directions →Utinska 37, Zagreb, Croatia
Get Directions →Registered Address
Official company address for legal and administrative correspondence.
Vijenac Salamona Henricha Gutmanna 4B, Belišće