Call Now
Website
Call
Business Details
12 Years
experience
Trusted Security, Electrical & IT Services in Wisconsin
Founded in 2014, Complex Security Solutions has established itself as a leading provider of integrated security, electrical, and IT services across Wisconsin, Illinois, and Indiana. Our team of experts specializes in designing, installing, and maintaining advanced security systems, electrical infrastructure, and structured cabling solutions tailored to meet the evolving needs of commercial, industrial, and residential clients. With over 45 employees and two strategically located offices in Milwaukee and Madison, Wisconsin, we combine cutting-edge technology with a client-centric approach to deliver reliable, scalable solutions.

Our commitment to excellence is reflected in our partnerships with top-tier manufacturers and our adherence to industry-leading safety and compliance standards. We pride ourselves on providing personalized service, ensuring seamless integration of systems, and offering 24/7 support to maintain uninterrupted security and operations for our clients.
Services
Security Systems Electrical Services Structured Cabling Solar Installation IT Services Generator Installation EV Charging Stations Fiber Optics Access Control Surveillance Cameras
Details
  • Year established: 2014
Highlights and features
  • Founded in 2014 with a proven track record in integrated security systems.
  • Our engineers integrate security, electrical, and IT systems for seamless operation.
  • Experienced electricians meet NEC, SPS, and OSHA compliance standards.
  • Specialize in fiber optic networks for high-bandwidth, low-latency connectivity.
  • Serve Wisconsin, Illinois, and Indiana with localized expertise and support.
What people say
Professionalism Quality Responsiveness Value Excellent service
Services
Security Systems
We design and install integrated security systems including surveillance cameras, access control, and alarm systems. Our solutions ensure 24/7 facility protection through advanced technology partnerships and seamless system integration. Clients benefit from customized designs, professional installation, and ongoing maintenance tailored to commercial, industrial, and residential needs.
Electrical Services
Our licensed electricians provide line voltage installations, solar energy systems, and commercial/residential electrical services. We adhere to NEC, SPS, and OSHA standards, offering generator installation, EV charging stations, and code-compliant repairs. Services include system design, maintenance, and renewable energy integration for industrial and residential clients.
Structured Cabling
We implement copper, fiber, and coaxial cabling systems for data and communication networks. Our structured cabling supports scalable, high-performance infrastructure for businesses, including indoor/outdoor applications. Services cover design, installation, and maintenance of systems that integrate voice, data, security, and IT networks.
Solar Installation
Our team installs residential and commercial solar energy systems to reduce electricity costs and environmental impact. We leverage Wisconsin state rebates and expertise in photovoltaic technology to deliver customized solar solutions. Services include system design, permitting, installation, and maintenance for homes and businesses.
IT Services
We offer IT service management including cybersecurity, network support, and cloud integration. Our solutions ensure secure, reliable IT infrastructure for businesses through proactive monitoring, data protection, and technical support tailored to client operational needs.
People
Charles Strand
President
Co-founder with extensive security and electrical industry experience. Leads strategic operations and client relations, ensuring technical excellence and customer satisfaction across Wisconsin and neighboring states.
John Kerlin
President VP of Operations
Co-founder responsible for day-to-day operations and project execution. Brings deep technical expertise in security systems and electrical infrastructure to deliver high-quality solutions for commercial and residential clients.
Ryan Hartig
Controller
Manages financial operations and budgeting. Ensures fiscal responsibility while supporting growth initiatives and client-focused investments in security and electrical service expansion.
Nick Vanderwal
Field Operations Manager
Oversees field teams for electrical and security installations. Coordinates project delivery across Wisconsin, ensuring timely execution and adherence to safety and quality standards.
Annie Malinowski
Service Manager
Manages service operations and client support. Focuses on maintaining system performance through proactive maintenance and responsive service for security and electrical systems.
Questions
What services does Complex Security Solutions offer?
We provide integrated security systems, electrical services, structured cabling, solar installations, and IT solutions for commercial and residential clients.
Which areas do you serve?
We operate throughout Wisconsin, Illinois, and Indiana, with offices in Milwaukee and Madison, Wisconsin.
Do you offer emergency services?
Our standard hours are 7:00 AM to 5:00 PM Monday-Friday, but we provide prompt service for urgent requests during operating hours.
Are financing options available?
Financing availability varies by service; contact us to discuss options for security, electrical, or solar projects.
What payment methods do you accept?
Payment options vary by project; please contact our office for details on accepted methods for your specific service.
How experienced is your team?
Our team includes certified electricians, security engineers, and IT specialists with decades of combined experience in integrated systems.
Reviews (1)
Waiman Chan
Jun 20, 2018 Report
Great company, John and Charles's team are very professional. They came out to install a 3 camera system with a Ring Door Bell and the picture quality of the system is amazing, I highly recommend them to anyone in need of a security system!