I tried to find company in London.

Kemp House 160, City Road  - is a huge business center, but there is no PRIME XBT on it. 
http://www.ukaddressbook.uk/a/kemp-house-152-160-city-road-london-ec1v-2nx?search=PRIME+XBT+&filter=


Do you have real address? Or you have only fake address and based in India?