Security Companies in San Bernardino, California

The city of San Bernardino sits inside a very large county of the same name, so “San Bernardino coverage” can mean very different things. Check which one a company means.

By Security Briefing, an independent publication. Details checked November 6, 2026. Listings are not endorsements.

The citySan Bernardino itself

The countyIncludes the Inland Empire valley, mountains, and High Desert

The regionOften marketed together with Riverside as the Inland Empire

Alphabetical within each type, not a ranking. “Consider for” reflects services each company names, not our testing. BBB details come from its profile; Yelp scores from Yelp's search listing, for the location shown. A score from a few reviews says little. We don't rate companies ourselves. All entries checked November 6, 2026.
Company	Consider for	Documented location or service area	License on its site	Reviews	Official website
Cyber Guard Protection Office listed More about Cyber Guard Protection In its own words: “From armed guards to mobile patrols, we provide customized security solutions for every industry and situation.”	Armed posts, offices and commercial property, unarmed posts	25082 E Baseline St, San Bernardino, CA 92410	Not found	No matching BBB or Yelp profile found	Visit website
IronGate Private Security Office listed More about IronGate Private Security In its own words: “At IronGate Private Security, we provide reliable, 24/7 security services throughout San Bernardino, Rialto, and the surrounding areas.” License shown on its site: PPO 121432	Offices and commercial property, events and venues, HOAs and residential property	1585 D Street Suite 201 San Bernardino, CA 92408	PPO 121432	Yelp View listing	Visit website
Allied Nationwide Security Says it serves the area More about Allied Nationwide Security In its own words: “We provide highly trained, licensed and fully equipped security guards in San Bernardino, CA and Security Guard Orange County CA thoroughly vetted for background and ability.”	Retail stores, mobile patrols, armed posts	“Security Guard Company in San Bernardino CA”	Not found	No matching BBB or Yelp profile found	Visit website
American Force Private Security Says it serves the area More about American Force Private Security In its own words: “We provide cost-effective professional and reliable on-site security and mobile patrol services to protect and secure your personnel and property.” Years in business: 15, per BBB Business type: Corporation, per BBB BBB accreditation: Accredited	Mobile patrols, events and venues, construction sites	“For over a decade we have provided stellar service to clients throughout Los Angeles, Orange, Riverside and San Bernardino counties”	Not found	BBB A+ Accredited · 0 complaints in 3 yrs Yelp View listing	Visit website
American Shield Says it serves the area More about American Shield In its own words: “American Shield provides high level security services to a variety of San Bernardino locations, including schools, health care facilities, construction sites and more.”	Offices and commercial property, events and venues, mobile patrols	“Mobile Patrol in San Bernardino”	Not found	Yelp 3.0 out of 5 on Yelp 3 reviews Garden Grove listing	Visit website
GNS Guard Says it serves the area More about GNS Guard In its own words: “Our company offers a range of security services, including armed and unarmed guards, patrol services, access control, fire watch, and construction site security.”	HOAs and residential property, offices and commercial property, retail stores	“Security Guard Company San Bernardino County”	Not found	No matching BBB or Yelp profile found	Visit website
Guard Systems Says it serves the area More about Guard Systems In its own words: “Guard Systems Inc. provides professional security services throughout San Bernardino, CA.”	Offices and commercial property, construction sites, retail stores	“Security Services for Businesses in San Bernardino, CA”	Not found	No matching BBB or Yelp profile found	Visit website
My Security Guards Says it serves the area More about My Security Guards In its own words: “Daily activity reports, incident reports and patrol logs with time-stamped photos, delivered through CitiTrac — included with every assignment at no extra cost.” License shown on its site: PPO 121572	Mobile patrols, offices and commercial property, events and venues	“Security Guard Services in San Bernardino”	PPO 121572	No matching BBB or Yelp profile found	Visit website
Secure Guard Security Says it serves the area More about Secure Guard Security In its own words: “These processes provide San Bernardino County property managers with clearer communication and greater visibility into security operations.”	Offices and commercial property, events and venues, mobile patrols	“Security services available in San Bernardino County”	Not found	No matching BBB or Yelp profile found	Visit website

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California's Bureau of Security and Investigative Services licenses private patrol operators. On its verify a license page, choose the license type, then search by name, city, or county.

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