DGA Security Systems
Real Security. Real People. One Call.™
The DGA Difference
New York's largest independent
security systems provider
Security Systems
Every security system we install is specifically tailored to the business that it protects. Learn more.
Fire Systems
DGA designs, inspects and installs code-compliant fire and sprinkler monitoring systems. Learn more.
Access Control
DGA's managed access control systems let you decide who can access your business. Learn more.
Video Surveillance
DGA surveillance systems help you keep an eye on your business no matter where you are. Learn more.
From Our Blog
Spotify Protected by DGA
The popular music streaming service arrives in the United States and needs access control for their New York office.
Be Prepared for Hurricane Season
Find out how DGA helps protect your premises from environmental damage.
About DGA Security Systems
DGA is the largest independent security company in NYC. Each security system that DGA installs is custom designed for the business that it protects, and every system is backed by our UL Listed, state-of-the-art monitoring center, located in midtown Manhattan. DGA helps protect NYC businesses of all sizes, from small startups to many of the city's best known retail chains and landmarks, including jewelry stores, restaurants, hotels, museums, and banking and financial institutions.