Find Phone number, Location Address and all other information of Security Guards Companies in Karachi Guards Mark Security Services (Pvt) Ltd Karachi on Branches.pk, Pakistan’s Largest Branches Directory. You can contact them directly on Phone number +92-21-35342494, 35342495-0345-8488592, or you can visit their location in person, address location is: C-1-C Mezzanine Floor Lane-1 Sehar Commercial Phase VII DHA Karachi.