A Dedicated Team of Security Experts

AGB (Always Giving Back) Investigative Services is the largest black-owned, award-winning security service firm in the nation with 1,100+ employees. AGB has earned the prestigious ISO 9001:2015 certification for its quality management system at the Chicago, IL headquarters location.

Established in 2001, AGB offers expertise in a full range of security services, including physical and cyber security. One of the fastest growing businesses in the nation with regional offices in 14 states, our client roster includes Fortune 100 companies and a wide range of government agencies. 

We’re a Dedicated Team of Security Experts

Our Mission is to eliminate economic inequities by delivering training and smart security services to protect people, property, and data.

Mission Driven Story

AGB means “Always Giving Back.” Our CEO John Griffin, Jr., grew up in the Englewood neighborhood on Chicago’s Southside. His intention was always for our company to be a ministry that assists people in need. Since 2001, AGB has created hundreds of professional opportunities for adults, particularly minorities in underserved areas of Chicago.

The AGB Team

The AGB Difference

AGB Regional Offices

We provide rapid deployment of well-trained guard, vehicle patrol, and remote monitoring services in the following service areas:

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