Established in 2004 and online since 2006, we have years of collective and comprehensive knowledge and experience. We proudly provide an array of security services to the commercial business within the states of Illinois, Indiana and Wisconson.
 
Our founder has over 20 years of experience in the law enforcement and security industry. Sigma Security Services is one of the leading contractors for onsite security at Target Stores, Walmart Stores, Catholic Charities, and other vendors. We understand what it takes to keep the people who work and visit your stores safe!  In addition, we understand that this has to be done without interrupting the flow of business.
 
The staff at Sigma Security Services, LLC is here to help you achieve those goals any way they can. We look forward to taking care of your security needs in the future. CALL US TODAY!
Providing the professional services you need at affordable prices. Owned and operated since 2004.
About Us