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S.C.'s 3rd Largest Security Company

QEI Security & Technology is the third largest South Carolina-based security company. That means customers can choose a local company with the benefits of our national competitors.

Experience & Expertise

QEI Security & Technology is built on experience and expertise. Every technician has at least 10 years of experience installing home security and integration systems.

Home Security Mobile Application


Use our TEQHoM INTERACTIVE system to control many basic home functions from one place on your smartphone, tablet or computer.

Live Connected.

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Why Choose Us?

QEI Security & Technology provides a one-stop solution combining quality brands and superior service in Charleston security systems, 24/7 security monitoring and home automation. Every technician at QEI Security & Technology has at least 10 years of experience installing and programming security and control systems. Their passion is electronics and helping you to realize the full potential of your system. Confidence is everything.
Services we provide:
  • Professional security installation, including security cameras
  • 24/7 monitoring of dedicated wireless security system
  • Whole-home audio
  • Home theater/entertainment systems
  • Control systems (automation)
  • Lighting control
  • Television installations
  • Electrical panel surge protection
  • Home networking/structured wiring


Memberships and Accreditations

  • berkeley-chamber-of-commerce
  • better-business-bureau
  • The Chamber of Commerce Great Summerville, Dorchester County
  • charleston-chamber-of-commerce
  • Custom Electronic Design & Installation Association
  • electronic-security-association