AT-NET Charleston SC

Charleston SC Cooper River Bridge
Charleston SC Pineapple Fountain – Photo by David
AT-NET Charleston SC, 4055 Faber Place Drive, Suite 112, North Charleston, SC 29405, United States (US) - Phone: (843) 576-3772 Secondary phone: (704) 831-2500 Email:



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Computer Technology, Managed Services and Cyber Security Solutions for Business

We provide IT Support and we are the Leading Provider of Security Services for Cyber Security in the Southeast

Our team of professionals can perform tasks from transitioning you to Microsoft 365, install a Cisco VOIP Call Manager, move you to Cloud Computing, install and support VMware, monitor your Firewall, provide technical support with our 24 X 7 help desk, or design an entire network security infrastructure. We work with business customers who are from 10 user to around 1500 users in size. We have many engineers in our five regional offices which are certified in technologies such as: Cisco System, Citrix System, Microsoft, HP, Dell, ShoreTel, VMWare, EMC, and NetApp.

Providing the skilled labor to design, install, security, and maintain your systems is our speciality. We offer TechSentry Flat Fee IT® services for desktops, servers and security. Within our managed services offering we are positioned with a “proactive” response to your technical needs; We rely on Anti-X software, Web filtering, Malware software, Backup and Disaster Recovery process, Intrusion Detection mechanisms, Monitoring, and a dedicated support team to service our customers.

AT-NET TechSentry – Flat Fee Managed IT Support Services
AT-NET TechSecurity – Flat Fee Managed Security Support Services
AT-NET TechNetwork – Flat Fee Managed Network and Hardware Maintenance
AT-NET TechBDR – Dedicated onsite to offsite backup and disaster recovery system.

We also have a dedicated team of developers who provide SQL, C#, C++, Oracle, .NET, Web Development, Custom Application Development Services, and Web Application Development Services to our customers.