We Provide 24/7 Reliable, Experienced, Licensed Security Guards In San Francisco, California

Armstrong Guard provides the security guard service in San Francisco because we as a company have a focus on hiring the best and training the best recruits in the business. We take the hiring of our guards very seriously and we have very strict hiring processes that help us ensure that you're getting the best guards.

Trained Security

We take pride in providing the best possible training for our officers. Our officers also meet the standards set by the Bureau of Security and Investigative Services.

Latest Equipment

We stay up to date with the current industry standards and the latest security equipment available to ensure quality services to our clients.

24/7 Availability

We have 24-hours supervision. Our supervisors periodically check the posts and the security officers randomly at your location.

We Employ A Wide Variety of Services To Meet Your Security Needs at Armstrong Guard

San Francisco is a diverse city with diverse industry, despite being so well known for the recent tech boom over the past few decades. There are many more industries all functioning in this city, and with so many people security is all the more important. You never know who might walk in off the street. To meet this diversity of industry and a wide range of needs that our clients have, we have adopted several different services. All of them fill unique security need to help keep your business or property safe and secure while also being efficient and saving you money. Our services range from armed security guard services to mobile security. Each of these can help service your business or property differently and can help keep you secured. When you work with Armstrong Guard you can know that your safety is always put first and that your security is our number one priority.

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For businesses with high risk, an armed guard provides a strong professional response

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For businesses not high-risk, unarmed personnel will be equally successful in preventing theft and vandalism.

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Mobile Security is capable of removing any unauthorized people from the site and they can help to keep theft away.


When Armstrong Guard has a presence at your office, business or wherever else you need us to be, we want you to know that your property and assets are safe.


San Francisco businesses trust Armstrong Guard with their security needs.


Security is a tough business and there are a lot of variables that go into serving a diverse clientele. Different industries have different standards, different needs, and different ways of achieving the security that they need to function well. At Armstrong Guard, we understand this. We have learned how best to serve a wide variety of industries so that we can maintain our high-quality standards and help your business or property stay safe and secure at all times. You can be confident when you work with Armstrong Guard that your security needs are being met and exceeded.

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Our Reputation Is Built on Quality and Trust

The services that we render always start with the guards we post to your business or property. At the end of the day, what we do in the offices and the trust that we cultivate there would be meaningless if the guards were unable to render services at the quality our clients have come to expect from Armstrong Guard. This is why we've gone above and beyond with our hiring processes. We do intensive background checks and careful filter our potential team members. By doing this we help to make sure that only the best end up wearing our logo and more importantly, only the best end up protecting you and your business.

All of this is done so that there's a relationship and foundation of trust between Armstrong Guard and you, our client. We start building the foundation for this from the first call and we continue to do so up until our business is complete. This means that we stay committed to providing you the best security in San Francisco and that you always have the best guards posted to keep you safe and secure.


Our clients trust us to provide the best security services in San Francisco and be the best security guard company. Don't just take our word for it. Here's what our clients are saying.



Security is a necessity no matter where you live and San Francisco is no exception by any stretch. That's why here at Armstrong Guard we want to ensure the safety of all our clients. Security does have additional benefits that you can take advantage of just by having guards present.

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Protect Your Property

One of the main reasons you'll invest in a security guard is to have someone protecting property. This can be a building, land or even goods in a store from theft, vandalism, and any other damages a troublemaker might otherwise inflict.

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Deters Criminals

Security is a prevention game and guards are among the best preventatives you can have at your home or business. They are a great deterrent against criminals and troublemakers alike who want to operate without interference from a security guard.

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Employee Safety

Everyone who works for you should feel safe when they arrive and security is one of the main ways you can help them feel secure. Beyond making them feel secure, security guards actually keep them secure while they work.

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Fast Response

Emergencies, where 911 will be called, are a given, and when it does happen seconds matter. If you don't have security on-site you could be waiting minutes for emergency services. Security is the best way to ensure a fast response.

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Frequently Asked Questions

My Business is safe. Why Do I need Security?

Security is a lot like insurance, you might not feel like you need while things are good but when an emergency strikes you’ll be happy you have it. Security helps to prevent crime and other nefarious activities from happening in the first place.

Do you perform background checks on your Guards?

Everyone under our employ has passed background checks, and our guards endure even stricter hiring practices and policies. Our goal is to provide you with the best guard we can, and the only way to do that is to be careful with who wears the Armstrong Guard name. Our clients expect a high degree of quality from our guards, and background checks are another way to make sure that the best are the ones protecting you.

Should I Have Armed Or Unarmed Guards?

It all depends on a few factors. The first is the risk that your business or property is under. If you’re at a higher risk it would be best if you had an armed guard. the second thing to consider is your budget. Unarmed guards are less expensive. The last thing to consider is the impact either type of guard might have on the customers and employees. Often it’s a positive change. Our security experts can talk to you and help you decide which option is best for you and your business or property.

What Kind of Licensing do guards need in San Francisco?

All of the guards at Armstrong Guard are fully licensed to operate in San Francisco and the State of California. The most important thing is that they have their guard card, a license showing that they’ve passed the required training and background checks to be a security guard.

How Can I Know How Much and What Type Of Guards I Need?

Security is a complicated business with more intricacies than people realize. That’s why we have security experts who can help guide you through the decision-making process when deciding how many and what types of security guards are the best value for your business. Give us a call and speak to one of our security experts today.