Top Managed IT Companies in North Charleston

AT-NET Services

Managed IT, cybersecurity, and network management, delivered across North Charleston.

✓ Verified Provider ⭐ 4.8/5 Stars Est. 1999
North Charleston, SC
50–249 employees
Founded 1999
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AT-NET Services is a managed IT services provider based in North Charleston, SC, operating since 1999. Across 26 verified Google reviews it averages 4.8 out of 5, a public track record you can weigh during diligence. It focuses on Managed IT Services, Cybersecurity & MDR, IT Helpdesk Support, Network Support. Compare it against other North Charleston managed IT providers, then request a quote.

Vetted by the Best IT MSP editorial team · Last updated August 2026

Also known as AT-NET

About AT-NET Services

Based in North Charleston, AT-NET Services handles managed IT, cybersecurity, and network management for North Charleston businesses under one responsible IT team.

A 4.8-star rating across 26 Google reviews ranks AT-NET Services among the higher-rated IT firms working in North Charleston. It has worked with local businesses since 1999.

Across managed IT, cybersecurity, network management, help desk support, VoIP and unified communications, and backup and disaster recovery, AT-NET Services most often works with automotive businesses that need reliable, security-minded IT.

Services Offered

🖥️
Managed IT Services
🔒
Cybersecurity & MDR
🛟
IT Helpdesk Support
🌐
Network Support
🚪
Physical Security & Access
🔌
Structured Cabling

Industries Served

🏭 Manufacturing & Warehouse
🪖 Defense Contractors
🏗️ Construction
🚗 Automotive
🏥 Healthcare

Why Choose AT-NET Services

26 Google Reviews, 4.8-Star Average

26 Google reviews at 4.8 stars give AT-NET Services an outside, evidence-based track record instead of self-reported claims.

📍

Rooted in North Charleston

Because AT-NET Services sits in North Charleston, North Charleston businesses work with a truly local team, not a faraway call center.

🛡️

CMMC & NIST 800-171

AT-NET Services helps defense-adjacent North Charleston suppliers move toward CMMC and NIST 800-171, safeguarding controlled data and protecting their contracts.

Offices

AT-NET Services lists 7 offices. Choose one to see it on the map.

Certifications & Compliance

Microsoft & Cisco partner (300+ certs)
CMMC readiness
BICSI-certified cabling
SOC / managed detection and response

Frequently Asked Questions

What do AT-NET Services reviews say?

Across 26 verified Google reviews, AT-NET Services averages 4.8 out of 5. Weigh that public track record alongside a direct quote.

Which IT services does AT-NET Services provide?

AT-NET Services delivers Managed IT Services, Cybersecurity & MDR, IT Helpdesk Support, Network Support, Physical Security & Access, Structured Cabling to organizations across North Charleston, SC.

What area does AT-NET Services serve?

AT-NET Services is based in North Charleston, SC and supports businesses across North Charleston and the greater metro area.

When did AT-NET Services start?

AT-NET Services has been operating since 1999.

Is AT-NET Services certified?

AT-NET Services carries Microsoft & Cisco partner (300+ certs), CMMC readiness, BICSI-certified cabling, SOC / managed detection and response.