Grand Security Services Caloundra Home ›› Local Listings ›› QLD ›› Caloundra ›› Grand Security Services Caloundra QLD Business Services Caloundra, QLD 4551 Peter0413203710https://www.grandsecuritygroup.com.au When you need a professional security company who operates throughout Queensland to provide support to a number of events, private parties, corporate functions, commercial property or anywhere that requires crowd control and security, you need Grand Security Services Group. We also provide quality security systems for your home in Queensland.