636-778-1135     314-395-4200
17667 Wild Horse Creek Road, Chesterfield, Missouri 63005

Gateway Lock & Security

Gateway Lock & Security provides both residential and commercial security and locksmith services to the St. Louis area. We are a family owned and locally based security and locksmith company that has been serving St. Louis and St. Charles counties for 50 years. Our professional style reflects old fashioned values and competitive prices. Our goal is to meet your needs, exceed your expectations and leave you with a favorable impression of our business and the true security and locksmith industry.

Gateway Lock & Security guarantees your satisfaction with our security and locksmith services. No matter your situation, our security specialists will complete the task you bring to them. We only utilize direct employees of Gateway Lock & Security. This ensures quality workmanship while extending our guarantee of service. Our guarantee is one of the best in the business and helps our company stand apart from the varied security landscape of the St. Louis area.

We guarantee the security of our clients as well. All of our technicians are bonded, licensed and insured, and have undergone a series of qualification exams and background checks. No matter the situation, our technicians will be polite, courteous and respectful. Gateway Lock & Security is dedicated to providing you with 100% satisfaction with all services provided.

Gateway Lock & Security provides security and locksmith services to St. Louis and St. Charles counties including Chesterfield, Wildwood, St. Albans, Town & Country, Creve Coeur, Frontenac, Des Peres, Manchester, Ballwin, Ellisville, Clayton, Ladue, Webster Groves, Kirkwood, Brentwood, Maryland Heights, Westport Plaza, St. Charles, O'Fallon, Lake St. Louis, St. Peters, Cottleville, Weldon Springs, Wentzville and Troy.


Gateway Lock & Security offers a wide range of commercial security and locksmith solutions that can be tailored to best fit your business needs by our security specialists. Using our fully equipped fleet of vans, our trained technicians will answer all of your business security needs quickly, efficiently and on the spot. Read more…


Gateway Lock & Security offers professional, personal service and will provide you with a trained security specialist that will assess all of your security needs. Look for our vans with our fully insured and bonded technicians. Our technicians carry with them a wide range of products from heavy duty locks to push button entry locks. We will solve your security problems in a timely and efficient manner. Read more…




Gateway Lock & Security building access control systems grant access to authorized personnel but prohibits the entry of all unauthorized persons. These systems act as a replacement for duplicating and distributing keys to employees and vendors, eliminating a huge amount of management overhead while creating a much more secure environment. Comprehensive features allow for customizing the level of access into and within the building based on the time of day and the day of the week. Integration with Closed Circuit Television Systems (CCTV) provides the ability to collate video with access attempts. Read more…
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