About Us

GCSI Security Group’s mission is to provide effective, affordable security solutions to meet the needs of our customers in New Jersey.  We service Atlantic County, Cape May County, Cumberland County, Salem County, and Burlington County New Jersey. Our quality of work and honest prices have stood apart from our competitors since our establishment in 1986. Call us today: +1 (856) 728-8228

We strive to meet these needs by providing: quality equipment, compassionate and personalized service, trained technicians, and knowledgeable customer support staff, who are dedicated to exceeding every customer’s expectations.


Gloucester County – Williamstown, Glassboro, Clayton, Pitman, Franklinville, Deptford, Woodbury, Washington Township, Sewell, Turnersville, Mullica Hill, Swedesboro, Paulsboro

Camden County – Sicklerville, Voorhees, Somerdale, Bellmawr, Haddonfield, Haddon Township, Cherry Hill, Pennsauken, Berlin, Atco Bellmawr, Collingswood, Camden, Gloucester City, Lindenwold, Barrington, Runnemede, Audubon, Clementon, Oaklyn, Gibbsboro, Brooklawn

Atlantic County – Hammonton, Buena, Mays Landing, Egg Harbor Township, Egg Harbor City, Absecon, Pleasantville, Linwood, Atlantic City, Ventnor, Margate, Longport, Brigantine, Northfield, Somers Point, Linwood

Cape May County – Ocean City, Cape May, Wildwood

Cumberland County – Vineland, Bridgeton, Millville

Salem County – Salem, Elmer, Woodstown, Penns Grove, Carneys Point, Pittsgrove, Pilesgrove, Pennsville, Alloway

Burlington – Marlton, Mount Laurel, Medford, Mount Holly, Burlington, Willingboro, Riverside, Delran, Delanco, Cinnaminson, Lumberton, Maple Shade, Shamong