ALWAYS PREPARED.
ever vigilant.
When choosing a partner to protect the people, places, and property that matter most to you, trust is essential.
We would be honored to earn yours.
About Sentinel
Founded on Integrity and Confidence.
Our company’s President and Co-Founder Tim McCarthy built his career on these powerful ideals. As a member of the US Secret Service, he was decorated for his brave and selfless act of protecting former President Ronald Reagan during the infamous 1981 assassination attempt and rose to the position of Special Agent in charge of the Chicago field office. Tim also served as Chief of Police at the Orland Park Police Department for 26 years.
About Sentinel
Founded on Integrity and Confidence.
Our company’s President and Co-Founder Tim McCarthy built his career on these powerful ideals. As a member of the US Secret Service, he was decorated for his brave and selfless act of protecting former President Ronald Reagan during the infamous 1981 assassination attempt and rose to the position of Special Agent in charge of the Chicago field office. Tim also served as Chief of Police at the Orland Park Police Department for 26 years.
Sentinel’s fellow founders include its two renowned Independent Principals, Jerry Reinsdorf and John Kelly – each of whom brings insight, experience, and business savvy to the organization.
Sentinel President and Co-Founder Tim McCarthy is well-known for his valor and dedication as the US Secret Service agent that protected President Ronald Reagan during an assassination attempt.
Sentinel President and Co-Founder Tim McCarthy is well-known for his valor and dedication as the US Secret Service agent that protected President Ronald Reagan during an assassination attempt.
CONSULTING AND SECURITY SERVICES
Sentinel offers a wide spectrum of security solutions – from managed services for armed and unarmed security officers to sophisticated security audits and customized programs managed by some of the best security professionals in the nation.
Managed Security Services
Off-Duty Police
When your security needs demand the highest level of expertise, our off-duty law enforcement is here to help.
Armed & Unarmed Guards
We can meet any scale required, whether your security needs call for an armed or unarmed security presence.
Emergency Security
When threat levels rise or the unexpected happens, our highly trained teams stand ready to assist and respond.
Outsourced Solutions
We work with clients to build a security operation with the same precision as you would run an in-house force.
Unparalleled Guard Network
Get immediate access to a network of hundreds of off-duty law enforcement officers available for immediate deployment to meet your security needs.
A Passion For Excellence
Our guards undergo vigorous training to proactively identify potential threats and mitigate risks using time-tested protocols.
A Passion For Excellence
Our guards undergo vigorous training to proactively identify potential threats and mitigate risks using time-tested protocols.
A Promise to protect
Called to serve others, Sentinel guards uphold the highest ethical standards and bring a 100% commitment to every assignment.
we are here
So you don't have to be
Get In Touch
We're always ready
Call us at (312) 971-7600 and speak to a security specialist.