Headquarter
- Address: 1 Kukush street, Building M1,1309 Sofia
- Telephone: 0700 20 789
- E-mail: marketing@gps.bg
GPS Sales Team
- Sofia
- Mobile: 088 848 0028
- Telephone: 02/485 8728
- Mobile: 088 848 0043
- Telephone: 02/485 8729
- Plovdiv
- Mobile: 088 648 2020
- Ruse
- Mobile: 088 848 0101
- E-mail: sales@gps.bg
GPS Call Center
- Address: 1 Kukush street, Building TTT Entel, 1309 Sofia
- Telephone: 0700 20 789
- E-mail: gpscc@gps.bg