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The best security company that I have ever worked with. The customer service and response time is exceptional. I highly recommend DSC, Inc.

Cathy St. Charles, MO

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Welcome to Digital Security / Division of PASS Security

Security System Provider

Voted one of the best security service providers in the St. Louis Area with the most up to date technology. Digital Security installs both commercial security systems and home security systems in Saint Charles County, Saint Louis County and surrounding areas, O'Fallon, Wentzville, St Peters, Chesterfield and more. Digital Security also offers alarm system monitoring, honeywell total connect services and we service all new and existing security systems such as Ademco, DSC, GE, ITI, Honeywell, ADT, Brinks, hardwired, wireless and Hybrid burglar alarm systems. Call 636-978-7778 now and get your security system monitored by Digital Security Corporation. Ask us about Z-Wave technology and how Honeywell Total Connect can help you keep track of your business and or keep an eye on your home.

Digital Security Corporation is one of the premier Electronic Security Solutions providers in the United States. Established in 1994 as a local alarm services company in St. Louis Missouri, Digital Security has grown to be recognized nationally in Total Systems Integration. Digital Security’s founders originally started the company because they saw a lack of professionalism in the security business, and they knew a truly professional installation company could thrive. Digital Security is now the #1 recommended contractor in the local St. Louis area and recommended throughout the country.

Security Systems NO UPFRONT COST Digital Security thrives on perfection, which starts with our great engineering staff. Our engineer’s are career employees with a keen dedication to the security profession. They receive initial and ongoing training with respect to system design, available products, and suitable applications. They gain valuable experience working with customers, defining a security problem or need and finding a satisfactory, sensibly priced solution.The best installers in the business aspire to work for us. We select them carefully and conduct extensive background and drug testing. We train our installers throughout, pay them well, and give then challenging projects to work with. In addition to our regular in house training we send our employees to factory classes held at various locations around the country. Our installers are also trained to respect your surroundings and work with minimum disruption to your lifestyle or business routine.

Service is a vital part of our business and we provide our customers with service 24hrs a day and 7 days a week. Our technicians are centrally dispatched, have the necessary parts on hand to service most every system. Our service technicians are selected on the basis of product knowledge and there level of commitment to providing customer satisfaction. Like our installers, our technicians are well trained and thoroughly dedicated to a career in the security industry.

Digital Security’s Central Station is the heart of all security companies. We select Central Station operators who are courteous, responsive, and who react well under pressure. Naturally, they undergo routine background and drug testing. They are fully trained in company procedures and always work in conjunction with other operators. Central Station personnel are under the supervision of a shift manager who reports directly to our Vice president of operations. Our operators are familiar with various automation systems, database management and diagnosis, dispatching and notification procedures, and other important functions.

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Digital Security Corporation is one of the best rated security companies operating in Saint Charles County, Saint Louis County & surrounding areas. We offer top of the line security systems including burglar alarm & business video surveillance systems for your home & small business protection.

Complete Control of your Security System

Monitor Existing Security System Home or Business         FREE Security System Assessment

Home Security System Services

Residential Burglar Alarm Systems

Fire / Smoke Alarm Detection

Environmental Protection

Home Automation

Save on Energy Bills

Control Locks

Adjust Lights

Real-Time Alerts

View Live Video

Home Video Surveillance

Honeywell Smartphone Application

Business Security System Services

Commercial Security System Solution

Fire / Smoke Alarm Detection

Environmental Protection

Referigeration Monitoring with Notification

Employee Control with Notification

Theft Prevention

Save on Energy Bills

Adjust Lights

Business Video Surveillance

Vidofied | Video Intrusion Verification

Card Access Solutions with Support

Other Digital Security System Solutions

Reprogram, Service and Monitor your existing security system including but not limited to DSC, ADT, Brinks, DMP, GE, ITI, Vivid, Ademco, Honeywell, Lynx, AT&T, First Alert and other product and or alarm company. No Phone Line No Problem… Digital Security can upgrade your existing burglar alarm system to cellular monitoring and even add the Total Connect Smartphone App. Digital Security has the security solution for you with price protection and no long term contracts required.

Servicing Cities and counties in Greater St. Louis Area

St. Charles County MO: Cottleville, Dardenne Prairie, Foristell, Lake St. Louis, O'Fallon, St. Charles, St. Peters, Weldon Spring, Wentzville, Defiance

Lincoln County MO: Elsberry, Moscow Mills, Troy, Winfield

St. Louis City (Independent City): City of St. Louis

St. Louis County MO: Ballwin, Bel-Nor, Bel-Ridge, Bella Villa, Bellefontaine Neighbors, Bellerive, Berkeley, Beverley Hills, Black Jack, Breckenridge Hills, Brentwood, Bridgeton, Calverton Park, Champ, Charlack, Chesterfield, Clarkson Valley,Clayton, Cool Valley, Country Club Hills, Crestwood, Country Life Acres, Creve Coeur, Crystal Lake Park, Dellwood, Des Peres, Edmundson, Ellisville, Eureka, Ferguson, Fenton, Flordell Hills, Florissant, Frontenac, Glen Echo Park, Glendale,Grantwood Village, Greendale, Green Park, Hanley Hills, Hazelwood, Hillsdale, Huntleigh, Kinloch, Kirkwood, Jennings, Ladue, Lakeshire, Mackenzie, Manchester, Maplewood, Marlborough, Maryland Heights, Mehlville, Moline Acres, Normandy,Northwoods, Norwood Court, Oakland, Olivette, Overland, Pacific, Pagedale, Pasadena Hills, Pasadena Park, Pine Lawn, Richmond Heights, Riverview, Rock Hill, St. Ann, St. John, Shrewsbury, Sunset Hills, Spanish Lake, Sycamore Hills, Town & Country, Twin Oaks, University City, Uplands Park, Valley Park, Velda City, Velda Village Hills, Vinita Park, Vinita Terrace, Warson Woods, Webster Groves, Wellston, Westwood, Wilbur Park, Wildwood, Winchester, Woodson Terrace

Warren County MO: Foristell, Marthasville, Truesdale, Warrenton, Wright City

Jersey County IL: Jerseyville, Grafton

Madison County IL: Alton, Collinsville, Edwardsville, Glen Carbon, Granite City, Highland, Troy, Wood River

St. Clair County IL: Belleville, Cahokia, Caseyville, Fairview Heights, Lebanon, O'Fallon, Shiloh and other municipalities

Franklin County MO: Berger, Gerald, New Haven, Pacific, St. Clair, Union, Washington

Jefferson County MO: Arnold, Barnhart, Byrnes Mill, Crystal City, Festus