Strength
Pride &
Honor

Our Services

Glenbard Security & Investigative Services Inc. is a Chicagoland agency that strives to provide the highest quality services in the industry.

Premier solutions is our profession. Peace of mind is yours.

Security Services

We offer both uniformed and plain clothes security services. We utilize trained security professionals and armed off-duty/retired local, state, and federal law enforcement individuals to exceed your Security needs.

Glenbard Security Consulting

Private Investigations

We are your trusted partner when it comes to private investigations. We offer tailored and quality solutions using our highly trained professionals.

Fingerprint Image

Fingerprinting Services

GBS Biometrics staff can provide fingerprinting services for your employment needs, concealed carry needs, and many others.

Training Academy

We offer many training classes such as Conceal Carry Training, firearms training courses, Security office training and others.

Top Google Reviews

“These men and women are highly trained professionals and will go out of their way to ensure the client is 100% satisfied. Eric was a great resource and tailored a security plan specifically for our needs. I highly recommend Glenbard Security for your Armed Security and Executive Protection needs."
Local Business Owner
“We had an incident in our office in which we required security. Glenbard was one of the only companies around that had people available for our needs. The guards we very professional and courteous and made everyone in the office feel safe. I would reccomend them to anyone in need of a security guard."
Local Non-Profit Business
“Took a 16 hrs CCL class with Eric and Corey. They are great instructors. Explained everything clearly and answered all the questions professionally. If someone is looking to take the class, I would definitely recommend them."
CCL Class Student