Calling the Carolinas home since 1999

For almost 15 years, AT-NET has been proudly serving Charleston and the Low Country of South Carolina. The historic city of Charleston is a national landmark for food, culture, and entertainment. The coast of South Carolina is a great place for businesses, families, and travelers alike, making it a core location for one of our home offices. Click here to learn more about Charleston. We have been voted The Best Managed Service Provider (MSP) in Charleston SC.

Flat Monthly Fees

For an affordable, flat monthly fee your business will receive all of the IT services and support it needs. Get back to focusing on your business, and let us take care of your IT.

Cybersecurity For Business

Our managed services offering is designed around Cybersecurity; We offer training, email filtering, backup and disaster recovery, endpoint remediation, System Event and Information Management, 24X7 Security Operations Center as a standard part of our offering.

Dedicated Support

Our expert technicians are always available both onsite and remote to resolve your IT issues quickly as well as answer any questions you have along the way.

Fast Response Times

Whenever you need us, we’ll be there. Our dedicated support team guarantees a 15-minute response time no matter the day or time.

Charleston SC fountain


#1 MSP in the SoutheastSecurity Focused MSP365 Cloud Security Partner

AT-NET opened its office in Charleston in 2007 and we have had the privilege of serving this amazing community for close to 15 years. Our roots run deep in the Carolinas, and we are committed and invested in serving the IT needs of the businesses, schools, local government, and non-profits that also call Charleston and South Carolina home.

Every day, we strive to make a positive difference and impact in our community through our IT services and solutions. Dozens of leading Charleston companies and organizations have partnered with AT-NET for years to receive IT expertise, managed services, and exceptional IT support.

If you’re looking for a highly experienced, friendly, and professional IT team located here in Charleston, you’ve come to the right place. We would love to learn more about your organization and its IT needs.

Charleston Technology Partners

Our team in Charleston is proud to work with leading technology partners to provide our customers across South Carolina with excellent care and support.






MS Azure