Welcome to Complex Security Solutions Inc., Wisconsin’s top-rated provider of integrated security, electrical, data, and IT services. Since 2014, we’ve proudly served businesses across Wisconsin, Illinois, and Indiana with a commitment to innovation, reliability, and customer satisfaction. Headquartered in Southeast Wisconsin and Madison, we specialize in comprehensive security systems, line voltage electrical solutions, structured cabling and fiber optics, and managed IT services. Whether you’re looking to protect your facility, modernize infrastructure, or streamline your technology systems, our expert team delivers customized solutions tailored to your needs. At Complex Security Solutions Inc., we’re more than just a service provider—we’re a trusted partner for public and private sector clients, including schools, industrial sites, and commercial enterprises. With a reputation built on quality, value, and experience, Complex Security Solutions Inc. is here to safeguard your operations and support your growth—no matter the size or complexity of your project.

Phone Number — 262–207–4099

Business Email — [email protected]

Hours– Mon — Fri 7 am–5 pm, Sat — Sun Closed

Services — Access Control, Security Cameras, Structured Cabling, IT Managed Services