Wisconsin’s Top-Rated Security Company

SERVICES WE OFFER

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Security

  • Integrated Security Solutions

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Electrical

  • Line Voltage Solutions

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Data & Fiber

  • Structured Cabling & Fiber Optics

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Managed IT Services

  • IT Service Management

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OUR VENDORS

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TESTIMONIALS

Complex security did a great job installing NVR’s and security cameras at our company. Props to Hamido, Drew, and Charles for prompt and excellent product knowledge and customer service!

Samer Sultan

Very fast, quick and friendly service. Answers all your questions and makes you feel important. Great service overall!

AceCruz Valeriano Jr.

Could not be more impressed with the service offered by Complex Security Solutions. They are extremely professional, timely, and have excellent communication skills. I could not have felt more comfortable allowing them in my house to do a highly skilled job. Overall, we had a wonderful experience with this company and would highly recommend them 10/10.

Brianne Lynn

Positive: Professionalism, Quality, Responsiveness, Value.

Ellen Del Vecchio

Great company! John and Charles are very professional. They came out to install a 3 camera system and Ring doorbell. The picture quality of the system is amazing. I highly recommend them to anyone in need of a security system!

Waiman Chan
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ABOUT US

We are located in SE Wisconsin and Madison, Wisconsin, serving Wisconsin, Illinois, and Indiana. Complex Security Solutions, Inc. was founded in 2014 by John Kerlin and Charles Strand.