Business Details
12 Years
experience
Emergency
services
Your Trusted Partner for Integrated Security Solutions in Milwaukee
Complex Security Solutions was founded in 2014 by industry veterans John Kerlin and Charles Strand, with a vision to deliver cutting-edge security and technology solutions. Headquartered in Southeast Wisconsin, we expanded our operations to Madison in 2020 and now employ over 45 dedicated professionals. Our team combines decades of field experience with technical expertise to provide integrated security systems, electrical services, structured cabling, and managed IT solutions.We partner with leading manufacturers to ensure reliable, future-ready systems for commercial, industrial, and residential clients. Our commitment to code-compliant installations, 24/7 support, and client-centric service has established us as a trusted partner across Wisconsin, Illinois, and Indiana. We prioritize seamless integration of security components, scalable infrastructure, and proactive maintenance to protect our clients' assets and operations.
Services
Security Systems
Electrical Services
Structured Cabling
Managed IT Services
Access Control
Intrusion Alarms
Video Surveillance
Fire Systems
Mass Notification
Sound Masking
Details
- Year established: 2014
Highlights and features
- We offer 10+ years of experience in integrated security system design and installation.
- Our solutions combine security, electrical, and IT services under one provider.
- We provide 24/7 emergency support and system monitoring capabilities.
- Our team includes certified electricians and cybersecurity specialists.
- We serve Wisconsin, Illinois, and Indiana with local technicians and nationwide expertise.
What people say
Professionalism
Quality
Responsiveness
Value
Amazing picture quality
Services
Security Systems
We design and install comprehensive security systems featuring NVRs, cameras, and monitoring solutions. Our integrated approach ensures 24/7 functionality through partnerships with top manufacturers. Systems include intrusion detection, video surveillance, and access control for commercial and residential properties.
Electrical Services
Our licensed electricians provide line voltage solutions for industrial, commercial, and residential applications. Services include solar installations, generator setup, EV charging stations, and code-compliant maintenance. We ensure safe, reliable power systems that meet NEC and OSHA standards.
Structured Cabling
We implement copper, fiber, and coaxial cabling systems for data and communication networks. Our solutions support scalable infrastructure with minimized latency and interference. Services include indoor/outdoor installations and ongoing maintenance for enterprise environments.
Managed IT Services
Our IT division offers cybersecurity, system monitoring, and cloud integration services. We provide 24/7 helpdesk support and scalable solutions that evolve with business needs. Services include network security, data protection, and technology modernization consulting.
Access Control
We install integrated access control systems with biometric readers, keypads, and mobile credentials. Our solutions manage entry points through centralized software, providing audit trails and real-time monitoring for commercial facilities and sensitive areas.
People
Charles Strand
President
Co-founder with extensive security industry experience, leading strategic operations and client relationships.
John Kerlin
President VP of Operations
Co-founder managing daily operations and technical implementation across multiple service lines.
Annie Malinowski
Service Manager
Coordinates technical teams for security and electrical service deployments across Wisconsin locations.
Nick Uecker
Cybersecurity Engineer
Manages IT services with expertise in network security and proactive threat prevention strategies.
Drew Kerlin
Inside Sales Engineer
Provides technical sales support and system design consultation for integrated security solutions.
Questions
What security services do you offer for commercial businesses?
We provide integrated security systems including surveillance cameras, access control, intrusion alarms, and fire detection systems tailored to commercial needs.
Do you serve areas outside Wisconsin?
Yes, we serve Illinois and Indiana in addition to Wisconsin, with local technicians available across our service regions.
What electrical services are available for residential customers?
We offer solar installations, generator setups, EV charging stations, and full electrical system maintenance for homes.
How do you handle emergency service requests?
Our team provides 24/7 emergency support with rapid response times for critical security or system failures.
Can you integrate security systems with existing infrastructure?
Yes, our solutions are designed to integrate with existing systems while ensuring full functionality and centralized control.
