IT Network Support & Consulting in Charleston

Secure Design · Reliable Wi-Fi · VPN & Remote Access · Monitoring & Support

Your network is the backbone of your business. At Computer Consultants Group (CCG), we design, secure, and support small-to-mid sized business networks across the Charleston Tri-County area. We’re a consulting-only firm—no hardware or software sales—so every recommendation is based on real-world results, not vendor incentives.

Network Security, Access Control, Antivirus, Email, Firewall Network Security · Access Control · Firewalls · Email Protection
Network Segmentation, VPN, Web Security, Wireless Security Segmentation (VLANs) · VPN · Web Security · Wireless Security
Network, Firewall, and Security Monitoring Monitoring · Alerting · Documentation · Ongoing Support

To get started, call us today, (843) 722-7607

Our Networking Services

  • Network Design & Installation — Needs assessment, logical/physical design, IP schema, VLANs, QoS, and secure Wi-Fi layouts.
  • Security & Zero-Trust Principles — Next-gen firewall configuration, least-privilege rulesets, MFA for remote access, and policy reviews.
  • Wi-Fi Design & Optimization — Coverage planning, AP placement, controller tuning, guest networks, bandwidth shaping, and roaming fixes.
  • Remote Access & VPN — Site-to-site tunnels, user VPN (L2TP/IPsec, SSL, WireGuard), and conditional access tied to identity.
  • Cloud & Hybrid Networking — Secure connectivity to Microsoft 365/Entra ID (Azure AD), Remote Desktop gateways, and cloud apps.
  • Monitoring & Management — Switch/AP/firewall health, firmware lifecycle, logs & alerts, and proactive remediation.
  • Troubleshooting — Intermittent drops, slow file access, printer issues, DNS/DHCP conflicts, and cabling/ISP problems.
  • Compliance & Best Practices — Backup Internet, UPS planning, change control, network documentation, and access reviews.

Microsoft & Remote Work Integration

We align your network with your Microsoft stack so users work securely from anywhere. That includes Remote Desktop Services, Exchange Online, SharePoint/OneDrive, and Teams—with DNS, certificates, and mail security (SPF/DKIM/DMARC) configured correctly.

Hardware Experience

Vendor-neutral support for a wide range of business-class gear:

  • Ubiquiti/UniFi · Cisco/Linksys · Meraki · MikroTik · WatchGuard · SonicWall · Zyxel · Netgear · HP/Aruba · Dell · Apple AirPort (legacy)

We don’t sell hardware or software; we help you choose the right fit and configure it properly.

To get started, call us today, (843) 722-7607

Client Network Use-Cases

  • Multi-Site & Branch Offices — Corporate WAN/VPN, shared services, and consistent policies.
  • Professional Services — Law, medical, finance: secure Wi-Fi, guest isolation, and data protection.
  • Property & Real Estate — Office and community Wi-Fi, camera and door controller networks, ISP coordination.
  • Design/Engineering & CAD — High-throughput LAN, prioritized file shares, and remote rendering access.
  • Education & Faith-Based — Safe search/content filtering, segmented staff/guest/student networks.

Engagement Options

  • Proactive Support — Scheduled maintenance, monitoring, and emergency response.
  • Partnered Support — We back up your in-house IT and handle advanced issues.
  • On-Demand Support — Expert help when you need it, no contract required.

To get started, call us today, (843) 722-7607